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Tushar K. Ghosh
Department of Textile Engineering, Chemistry and Science, North Carolina State University, Raleigh, NC 27695, USA

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Preprint content
Published: 16 July 2021
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ACS Style

Kony Chatterjee; Ankit Negi; Kyunghoon Kim; Jun Liu; Tushar K. Ghosh. In-Plane Thermoelectric Properties of Flexible and Room Temperature Doped Carbon Nanotube Films. 2021, 1 .

AMA Style

Kony Chatterjee, Ankit Negi, Kyunghoon Kim, Jun Liu, Tushar K. Ghosh. In-Plane Thermoelectric Properties of Flexible and Room Temperature Doped Carbon Nanotube Films. . 2021; ():1.

Chicago/Turabian Style

Kony Chatterjee; Ankit Negi; Kyunghoon Kim; Jun Liu; Tushar K. Ghosh. 2021. "In-Plane Thermoelectric Properties of Flexible and Room Temperature Doped Carbon Nanotube Films." , no. : 1.

Review
Published: 25 May 2021 in Molecules
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Since prehistoric times, textiles have served an important role–providing necessary protection and comfort. Recently, the rise of electronic textiles (e-textiles) as part of the larger efforts to develop smart textiles, has paved the way for enhancing textile functionalities including sensing, energy harvesting, and active heating and cooling. Recent attention has focused on the integration of thermoelectric (TE) functionalities into textiles—making fabrics capable of either converting body heating into electricity (Seebeck effect) or conversely using electricity to provide next-to-skin heating/cooling (Peltier effect). Various TE materials have been explored, classified broadly into (i) inorganic, (ii) organic, and (iii) hybrid organic-inorganic. TE figure-of-merit (ZT) is commonly used to correlate Seebeck coefficient, electrical and thermal conductivity. For textiles, it is important to think of appropriate materials not just in terms of ZT, but also whether they are flexible, conformable, and easily processable. Commercial TEs usually compromise rigid, sometimes toxic, inorganic materials such as bismuth and lead. For textiles, organic and hybrid TE materials are more appropriate. Carbon-based TE materials have been especially attractive since graphene and carbon nanotubes have excellent transport properties with easy modifications to create TE materials with high ZT and textile compatibility. This review focuses on flexible TE materials and their integration into textiles.

ACS Style

Kony Chatterjee; Tushar Ghosh. Thermoelectric Materials for Textile Applications. Molecules 2021, 26, 3154 .

AMA Style

Kony Chatterjee, Tushar Ghosh. Thermoelectric Materials for Textile Applications. Molecules. 2021; 26 (11):3154.

Chicago/Turabian Style

Kony Chatterjee; Tushar Ghosh. 2021. "Thermoelectric Materials for Textile Applications." Molecules 26, no. 11: 3154.

Journal article
Published: 21 January 2021 in IEEE Sensors Journal
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Amputees are prone to experiencing discomfort when wearing their prosthetic devices. As the amputee population grows this becomes a more prevalent and pressing concern. There is a need for new prosthetic technologies to construct more comfortable and well-fitted liners and sockets. One of the well-recognized impediments to the development of new prosthetic technology is the lack of practical inner socket sensors to monitor the inner socket environment (ISE), or the region between the residual limb and the socket. Here we present a capacitive pressure sensor fabricated through a simple, and scalable sewing process using commercially available conductive yarns and textile materials. This fully-textile sensor provides a soft, flexible, and comfortable sensing system for monitoring the ISE. We provide details of our low-power sensor system capable of high-speed data collection from up to four sensor arrays. Additionally, we demonstrate two custom set-ups to test and validate the textile-based sensors in a simulated prosthetic environment. Finally, we utilize the textile-based sensors to study the ISE of a bilateral transtibial amputee. Results indicate that the textile-based sensors provide a promising potential for seamlessly monitoring the ISE.

ACS Style

Jordan Tabor; Talha Agcayazi; Aaron Fleming; Brendan Thompson; Ashish Kapoor; Ming Liu; Michael Y. Lee; He Huang; Alper Bozkurt; Tushar K. Ghosh. Textile-Based Pressure Sensors for Monitoring Prosthetic-Socket Interfaces. IEEE Sensors Journal 2021, 21, 9413 -9422.

AMA Style

Jordan Tabor, Talha Agcayazi, Aaron Fleming, Brendan Thompson, Ashish Kapoor, Ming Liu, Michael Y. Lee, He Huang, Alper Bozkurt, Tushar K. Ghosh. Textile-Based Pressure Sensors for Monitoring Prosthetic-Socket Interfaces. IEEE Sensors Journal. 2021; 21 (7):9413-9422.

Chicago/Turabian Style

Jordan Tabor; Talha Agcayazi; Aaron Fleming; Brendan Thompson; Ashish Kapoor; Ming Liu; Michael Y. Lee; He Huang; Alper Bozkurt; Tushar K. Ghosh. 2021. "Textile-Based Pressure Sensors for Monitoring Prosthetic-Socket Interfaces." IEEE Sensors Journal 21, no. 7: 9413-9422.

Journal article
Published: 06 July 2020 in Advanced Functional Materials
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Jiayi Yang; David Tang; Jinping Ao; Tushar Ghosh; Taylor V. Neumann; Dongguang Zhang; Egor Piskarev; Tingting Yu; Vi Khanh Truong; Kai Xie; Ying‐Chih Lai; Yang Li; Michael D. Dickey. Ultrasoft Liquid Metal Elastomer Foams with Positive and Negative Piezopermittivity for Tactile Sensing. Advanced Functional Materials 2020, 30, 1 .

AMA Style

Jiayi Yang, David Tang, Jinping Ao, Tushar Ghosh, Taylor V. Neumann, Dongguang Zhang, Egor Piskarev, Tingting Yu, Vi Khanh Truong, Kai Xie, Ying‐Chih Lai, Yang Li, Michael D. Dickey. Ultrasoft Liquid Metal Elastomer Foams with Positive and Negative Piezopermittivity for Tactile Sensing. Advanced Functional Materials. 2020; 30 (36):1.

Chicago/Turabian Style

Jiayi Yang; David Tang; Jinping Ao; Tushar Ghosh; Taylor V. Neumann; Dongguang Zhang; Egor Piskarev; Tingting Yu; Vi Khanh Truong; Kai Xie; Ying‐Chih Lai; Yang Li; Michael D. Dickey. 2020. "Ultrasoft Liquid Metal Elastomer Foams with Positive and Negative Piezopermittivity for Tactile Sensing." Advanced Functional Materials 30, no. 36: 1.

Research article
Published: 29 June 2020 in ACS Applied Energy Materials
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Soft materials with high power factors (PFs) and low thermal conductivity (κ) are critically important for the integration of thermoelectric (TE) modules into flexible form factors for energy harvesting or cooling applications. Here, air-stable p- and n-type multiwalled carbon nanotube (MWCNT) films with high power factors (up to 521 µW/mK2) are reported, synthesized in a facile two-step process. The maximum figure of merit (ZT) obtained as 0.019 at 300 K, with all three transport properties – Seebeck coefficient, electrical conductivity, and κ – measured in-plane, providing a more accurate ZT. Using time-domain thermoreflectance (TDTR) we report a fast and non-contact measurement of κ without complex microfabrication or material processing. Moreover, there is no material mismatch between the p- and n-type legs of the TE module. Such materials have the potential for widespread applications in inexpensive and scalable wearable energy harvesting and localized heating/cooling.

ACS Style

Kony Chatterjee; Ankit Negi; Kyung Hoon Kim; Jun Liu; Tushar K. Ghosh. In-Plane Thermoelectric Properties of Flexible and Room-Temperature-Doped Carbon Nanotube Films. ACS Applied Energy Materials 2020, 3, 6929 -6936.

AMA Style

Kony Chatterjee, Ankit Negi, Kyung Hoon Kim, Jun Liu, Tushar K. Ghosh. In-Plane Thermoelectric Properties of Flexible and Room-Temperature-Doped Carbon Nanotube Films. ACS Applied Energy Materials. 2020; 3 (7):6929-6936.

Chicago/Turabian Style

Kony Chatterjee; Ankit Negi; Kyung Hoon Kim; Jun Liu; Tushar K. Ghosh. 2020. "In-Plane Thermoelectric Properties of Flexible and Room-Temperature-Doped Carbon Nanotube Films." ACS Applied Energy Materials 3, no. 7: 6929-6936.

Full paper
Published: 05 June 2020 in Advanced Materials Technologies
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The unique potential of e‐textiles for unobtrusive and ubiquitous monitoring and their innovative interfacing with electronic devices has garnished great attention. Sensors are one of the few essential devices or components necessary for most functional e‐textile applications. Ideally, any e‐textile based sensor should be soft, easily integrated in textile manufacturing processes, and tunable for the desired applications. Here, an easy‐to‐manufacture, tunable, fully‐textile sensor system with capability of detecting pressure, humidity, or wetness is presented. Capacitive pressure sensors are formed via a traditional sewing process with two commercially available conductive sewing yarns (silver‐plated polyamide (silver) and stainless steel (SS)) with cotton knit, polyethylene‐terephthalate (PET) knit and elastomeric meltblown textile dielectrics. The relationship between the sensor's physical, mechanical, and electromechanical properties including hysteresis, sensitivity, response, and relaxation time is evaluated. In addition, the same sensor configuration is assessed for its humidity and wetness sensing performance. Results indicate that pressure, relative humidity (RH), and wetness sensing performance are easily tunable using different combinations of the conductive and dielectric textile materials. Finally, proof of concept deployment demonstrations as human‐machine interfaces within a pressure sensing mat and a smart glove capable of remotely controlling a drone are provided.

ACS Style

Talha Agcayazi; Jordan Tabor; Michael McKnight; Isaac Martin; Tushar K. Ghosh; Alper Bozkurt. Fully‐Textile Seam‐Line Sensors for Facile Textile Integration and Tunable Multi‐Modal Sensing of Pressure, Humidity, and Wetness. Advanced Materials Technologies 2020, 5, 1 .

AMA Style

Talha Agcayazi, Jordan Tabor, Michael McKnight, Isaac Martin, Tushar K. Ghosh, Alper Bozkurt. Fully‐Textile Seam‐Line Sensors for Facile Textile Integration and Tunable Multi‐Modal Sensing of Pressure, Humidity, and Wetness. Advanced Materials Technologies. 2020; 5 (8):1.

Chicago/Turabian Style

Talha Agcayazi; Jordan Tabor; Michael McKnight; Isaac Martin; Tushar K. Ghosh; Alper Bozkurt. 2020. "Fully‐Textile Seam‐Line Sensors for Facile Textile Integration and Tunable Multi‐Modal Sensing of Pressure, Humidity, and Wetness." Advanced Materials Technologies 5, no. 8: 1.

Review
Published: 17 March 2020 in Advanced Materials Technologies
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Thermophysiological comfort in humans is sought universally but seldom achieved due to biological and physiological variances. Most people in developed parts of the world rely on highly energy‐intensive, and inefficient central heating/cooling systems to achieve thermophysiological comfort which is rarely satisfactory. A potential solution to this issue is a wearable personal thermal comfort system (PTCS) consisting of textile‐based temperature and moisture sensors, thermal and moisture responsive actuators, and/or heating/cooling devices, that can sense the environment and physiology of the wearer, and accordingly provide an individualized thermal environment. Moving thermal regulation away from the built environment to the microclimate surrounding the human body using textiles has the potential to provide personalized thermal comfort and energy savings. Such a system may employ thermal comfort models and leverage the Internet of Things (IoT) and machine learning (ML) to understand individuals' comfort requirements. Herein, the current state of textile‐based active and passive comfort systems/technologies are summarized, including their environmental impact, major thermal comfort models, and factors influencing comfort. Also, active and passive textile‐based devices (sensors, actuators, and flexible heating/cooling devices) that may be incorporated into a textile‐based wearable PTCS are comprehensively discussed with an emphasis on their advantages, limitations, and prospects.

ACS Style

Jordan Tabor; Kony Chatterjee; Tushar K. Ghosh. Smart Textile‐Based Personal Thermal Comfort Systems: Current Status and Potential Solutions. Advanced Materials Technologies 2020, 5, 1 .

AMA Style

Jordan Tabor, Kony Chatterjee, Tushar K. Ghosh. Smart Textile‐Based Personal Thermal Comfort Systems: Current Status and Potential Solutions. Advanced Materials Technologies. 2020; 5 (5):1.

Chicago/Turabian Style

Jordan Tabor; Kony Chatterjee; Tushar K. Ghosh. 2020. "Smart Textile‐Based Personal Thermal Comfort Systems: Current Status and Potential Solutions." Advanced Materials Technologies 5, no. 5: 1.

Journal article
Published: 21 February 2020 in Thermochimica Acta
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Phase-change materials (PCMs) are of considerable scientific and technological interest in applications related to energy management and storage, especially as they pertain to residential or commercial construction and packaging. Most PCMs developed for these purposes consist of a crystallizable species encapsulated within an impermeable polymeric shell. Such encapsulants can then be strategically embedded throughout a construct to promote thermal stability in close proximity to the normal melting point of the encapsulated species. In this study, we introduce form-stable PCMs, which avoid the need for costly and inconvenient encapsulation and consist of commercial thermoplastic elastomer copolyesters selectively swollen with crystallizable fatty acids. Since the copolyester matrices endow the PCMs with solid-like characteristics even when swollen with liquid, we refer to this particular class of materials as phase-change elastomer gels (PCEGs). In this study, we explore the thermal characteristics of PCEG films wherein the copolyester grade, gel composition and fatty acid are all varied. Our results indicate that these PCEGs exhibit non-hysteretic thermal cycling, unaffected transition temperatures, and competitive latent transition heats. Relative to model and commercially available encapsulated PCMs, the form-stable PCEGs examined here afford an alternative capable of superior thermal performance and versatility.

ACS Style

Daniel P. Armstrong; Kony Chatterjee; Tushar Ghosh; Richard J. Spontak. Form-stable phase-change elastomer gels derived from thermoplastic elastomer copolyesters swollen with fatty acids. Thermochimica Acta 2020, 686, 178566 .

AMA Style

Daniel P. Armstrong, Kony Chatterjee, Tushar Ghosh, Richard J. Spontak. Form-stable phase-change elastomer gels derived from thermoplastic elastomer copolyesters swollen with fatty acids. Thermochimica Acta. 2020; 686 ():178566.

Chicago/Turabian Style

Daniel P. Armstrong; Kony Chatterjee; Tushar Ghosh; Richard J. Spontak. 2020. "Form-stable phase-change elastomer gels derived from thermoplastic elastomer copolyesters swollen with fatty acids." Thermochimica Acta 686, no. : 178566.

Progress report
Published: 01 December 2019 in Advanced Materials
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3D printing (3DP) has transformed engineering, manufacturing, and the use of advanced materials due to its ability to produce objects from a variety of materials, ranging from soft polymers to rigid ceramics. 3DP offers the advantage of being able to print at a variety of lengths scales; from a few micrometers to many meters. 3DP has the unique ability to produce customized small lots, efficiently. Yet, one crucial industry that has not been able to adequately explore its potential is textile manufacturing. The research in 3DP of textiles has lagged behind other areas primarily due to the difficulty in obtaining some of the unique characteristics of strength, flexibility, etc., of textiles, utilizing a fundamentally different manufacturing technology. Textiles are their own class of materials due to the specific structural developments that occur during the various stages of textile manufacturing: from fiber extrusion to assembly of the fibers to fabrics. Here, the current 3DP technologies are reviewed with emphasis on soft and anisotropic structures, as well as the efforts toward 3DP of textiles. Finally, a potential pathway to 3DP of textiles, dubbed as printing with fibers to create textile structures is proposed for further exploration.

ACS Style

Kony Chatterjee; Tushar K. Ghosh. 3D Printing of Textiles: Potential Roadmap to Printing with Fibers. Advanced Materials 2019, 32, e1902086 .

AMA Style

Kony Chatterjee, Tushar K. Ghosh. 3D Printing of Textiles: Potential Roadmap to Printing with Fibers. Advanced Materials. 2019; 32 (4):e1902086.

Chicago/Turabian Style

Kony Chatterjee; Tushar K. Ghosh. 2019. "3D Printing of Textiles: Potential Roadmap to Printing with Fibers." Advanced Materials 32, no. 4: e1902086.

Review
Published: 01 June 2019 in Fibers
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With the advent of wearable electronic devices in our daily lives, there is a need for soft, flexible, and conformable devices that can provide electronic capabilities without sacrificing comfort. Electronic textiles (e-textiles) combine electronic capabilities of devices such as sensors, actuators, energy harvesting and storage devices, and communication devices with the comfort and conformability of conventional textiles. An important method to fabricate such devices is by coating conventionally used fibers and yarns with electrically conductive materials to create flexible capacitors, resistors, transistors, batteries, and circuits. Textiles constitute an obvious choice for deployment of such flexible electronic components due to their inherent conformability, strength, and stability. Coating a layer of electrically conducting material onto the textile can impart electronic capabilities to the base material in a facile manner. Such a coating can be done at any of the hierarchical levels of the textile structure, i.e., at the fiber, yarn, or fabric level. This review focuses on various electrically conducting materials and methods used for coating e-textile devices, as well as the different configurations that can be obtained from such coatings, creating a smart textile-based system.

ACS Style

Kony Chatterjee; Jordan Tabor; Tushar K. Ghosh. Electrically Conductive Coatings for Fiber-Based E-Textiles. Fibers 2019, 7, 51 .

AMA Style

Kony Chatterjee, Jordan Tabor, Tushar K. Ghosh. Electrically Conductive Coatings for Fiber-Based E-Textiles. Fibers. 2019; 7 (6):51.

Chicago/Turabian Style

Kony Chatterjee; Jordan Tabor; Tushar K. Ghosh. 2019. "Electrically Conductive Coatings for Fiber-Based E-Textiles." Fibers 7, no. 6: 51.

Proceedings article
Published: 19 March 2019 in Electroactive Polymer Actuators and Devices (EAPAD) XXI
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DEAs have been studied for decades as a potential polymer artificial muscle for its excellent mechanical properties and large electric field-induced strains. The structural design of DEAs enhances the actuator performances and converts the electrically–controlled strain to diverse motions including linear motion, bending, twisting and moving with multiple degree of freedom. Inspired by the Venus Flytrap (VFT), whose bistable leaves and local strain redistribution are crucial to the fast closure speed, we developed cylindrically-curved bistable laminated DEAs, and activated the bistable shape transformation by electrically tuning the strain field. To obtain the bistable structure, two elastomeric films are prestrained biaxially and bonded orthogonally to a stiffer elastic film in the middle. Due to the elastic energy minimization, the originally flat laminate immediately self-equilibrated to two bistable cylindrical shapes, with the curvatures orthogonal to each other. Basic theoretical analyses on the interaction of prestrains and bending curvatures provide guidance to the design of bistable morphing shapes. The prestrains on the DE films not only generate various curved shapes, but also decreases the film thickness and therefore reduces the actuation voltage. Similar to the fast closure of VFT, which is activated by the strain redistribution resulted from the motor cell enlargement, our bistable DEA achieves reversible bistable shape transformation by voltage-induced strain change at the area covered by compliant electrodes.

ACS Style

Shuzhen Wei; Huiqi Shao; Tushar Ghosh. Bioinspired bistable soft actuators. Electroactive Polymer Actuators and Devices (EAPAD) XXI 2019, 10966, 1096629 .

AMA Style

Shuzhen Wei, Huiqi Shao, Tushar Ghosh. Bioinspired bistable soft actuators. Electroactive Polymer Actuators and Devices (EAPAD) XXI. 2019; 10966 ():1096629.

Chicago/Turabian Style

Shuzhen Wei; Huiqi Shao; Tushar Ghosh. 2019. "Bioinspired bistable soft actuators." Electroactive Polymer Actuators and Devices (EAPAD) XXI 10966, no. : 1096629.

Communication
Published: 11 October 2018 in Advanced Materials Technologies
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Soft polymer‐based sensors as an integral part of textile structures have attracted considerable scientific and commercial interest recently because of their potential use in healthcare, security systems, and other areas. While electronic sensing functionalities can be incorporated into textiles at one or more of the hierarchical levels of molecules, fibers, yarns, or fabrics, arguably a more practical and inconspicuous means to introduce the desired electrical characteristics is at the fiber level, using processes that are compatible to textiles. Here, a prototype multimodal and multifunctional sensor array formed within a woven fabric structure using bicomponent fibers with ordered insulating and conducting segments is reported. The multifunctional characteristics of the sensors are successfully demonstrated by measuring tactile, tensile, and shear deformations, as well as wetness and biopotential. While the unobtrusive integration of sensing capabilities offers possibilities to preserve all desirable textile qualities, this scaled‐up fiber‐based approach demonstrates the potential for scalable and facile manufacturability of practical e‐textile products using low‐cost roll‐to‐roll processing of large‐area flexible sensor systems and can be remarkably effective in advancing the field of e‐textiles.

ACS Style

Ashish Kapoor; Michael McKnight; Kony Chatterjee; Talha Agcayazi; Hannah Kausche; Alper Bozkurt; Tushar K. Ghosh. Toward Fully Manufacturable, Fiber Assembly–Based Concurrent Multimodal and Multifunctional Sensors for e‐Textiles. Advanced Materials Technologies 2018, 4, 1 .

AMA Style

Ashish Kapoor, Michael McKnight, Kony Chatterjee, Talha Agcayazi, Hannah Kausche, Alper Bozkurt, Tushar K. Ghosh. Toward Fully Manufacturable, Fiber Assembly–Based Concurrent Multimodal and Multifunctional Sensors for e‐Textiles. Advanced Materials Technologies. 2018; 4 (1):1.

Chicago/Turabian Style

Ashish Kapoor; Michael McKnight; Kony Chatterjee; Talha Agcayazi; Hannah Kausche; Alper Bozkurt; Tushar K. Ghosh. 2018. "Toward Fully Manufacturable, Fiber Assembly–Based Concurrent Multimodal and Multifunctional Sensors for e‐Textiles." Advanced Materials Technologies 4, no. 1: 1.

Inside front cover
Published: 27 August 2018 in Advanced Functional Materials
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ACS Style

Huiqi Shao; Shuzhen Wei; Xin Jiang; Douglas P. Holmes; Tushar Ghosh. Bistable Polymer Actuators: Bioinspired Electrically Activated Soft Bistable Actuators (Adv. Funct. Mater. 35/2018). Advanced Functional Materials 2018, 28, 1 .

AMA Style

Huiqi Shao, Shuzhen Wei, Xin Jiang, Douglas P. Holmes, Tushar Ghosh. Bistable Polymer Actuators: Bioinspired Electrically Activated Soft Bistable Actuators (Adv. Funct. Mater. 35/2018). Advanced Functional Materials. 2018; 28 (35):1.

Chicago/Turabian Style

Huiqi Shao; Shuzhen Wei; Xin Jiang; Douglas P. Holmes; Tushar Ghosh. 2018. "Bistable Polymer Actuators: Bioinspired Electrically Activated Soft Bistable Actuators (Adv. Funct. Mater. 35/2018)." Advanced Functional Materials 28, no. 35: 1.

Full paper
Published: 02 July 2018 in Advanced Functional Materials
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Movement and morphing in biological systems provide insights into the materials and mechanisms that may enable the development of advanced engineering structures. The nastic motion of plants in response to environmental stimuli, e.g., the rapid closure of the Venus flytrap's leaves, utilizes snap‐through instabilities originating from anisotropic deformation of plant tissues. In contrast, ballistic tongue projection of chameleon is attributed to direct mechanical energy transformation by stretching elastic tissues in advance of rapid projection to achieve higher speed and power output. Here, a bioinspired trilayered bistable all‐polymer laminate containing dielectric elastomers (DEs) is reported, which double as both structural and active materials. It is demonstrated that the prestress and laminating strategy induces tunable bistability, while the electromechanical response of the DE film enables reversible shape transition and morphing. Electrical actuation of bistable structures obviates the need for continuous application of electric field to sustain their transformed state. The experimental results are qualitatively consistent with our theoretical analyses of prestrain‐dependent shape and bistability.

ACS Style

Huiqi Shao; Shuzhen Wei; Xin Jiang; Douglas Holmes; Tushar K. Ghosh. Bioinspired Electrically Activated Soft Bistable Actuators. Advanced Functional Materials 2018, 28, 1 .

AMA Style

Huiqi Shao, Shuzhen Wei, Xin Jiang, Douglas Holmes, Tushar K. Ghosh. Bioinspired Electrically Activated Soft Bistable Actuators. Advanced Functional Materials. 2018; 28 (35):1.

Chicago/Turabian Style

Huiqi Shao; Shuzhen Wei; Xin Jiang; Douglas Holmes; Tushar K. Ghosh. 2018. "Bioinspired Electrically Activated Soft Bistable Actuators." Advanced Functional Materials 28, no. 35: 1.

Journal article
Published: 01 June 2018 in Europhysics Letters (EPL)
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ACS Style

X. Jiang; M. Pezzulla; H. Shao; T. K. Ghosh; D. P. Holmes. Snapping of bistable, prestressed cylindrical shells. Europhysics Letters (EPL) 2018, 122, 1 .

AMA Style

X. Jiang, M. Pezzulla, H. Shao, T. K. Ghosh, D. P. Holmes. Snapping of bistable, prestressed cylindrical shells. Europhysics Letters (EPL). 2018; 122 (6):1.

Chicago/Turabian Style

X. Jiang; M. Pezzulla; H. Shao; T. K. Ghosh; D. P. Holmes. 2018. "Snapping of bistable, prestressed cylindrical shells." Europhysics Letters (EPL) 122, no. 6: 1.

Article
Published: 29 January 2018 in Advanced Materials Technologies
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Conformable electrical systems integrated in textiles offer revolutionary possibilities. Textiles constitute an obvious choice as a multifunctional electronic platform, since they are worn and used to cover many surfaces around us. The primary focus of the emerging area of electronic textiles (e-textiles) is on developing transformative technologies to produce flexible, conformable, and large-area textile-based electronic systems. One of the main roadblocks to development of e-textiles is making (fiber-to-fiber) interconnects within textiles, with rigid semiconductor-based circuits and other devices, and efficiently routing these circuits. This problem is compounded by the need for the textile and other materials to withstand the stresses and strains of manufacturing and end-use. The fundamental challenge of forming these interconnects involves making them flexible, robust, and environmentally stable while ensuring adequate electrical connectivity. From a mechanical standpoint, the transition from soft to hard materials should occur with minimum stress/strain concentration. These challenges, if unaddressed, will remain a barrier to large-scale development of textile-based electronic systems. This work reviews the technological issues related to the textile interconnect, providing an overview of flexible interconnects, including relevant materials, electrical and mechanical characterization techniques, ways of forming flexible conductive pathways, and potential research directions and challenges.

ACS Style

Talha Agcayazi; Kony Chatterjee; Alper Bozkurt; Tushar K. Ghosh. Flexible Interconnects for Electronic Textiles. Advanced Materials Technologies 2018, 3, 1 .

AMA Style

Talha Agcayazi, Kony Chatterjee, Alper Bozkurt, Tushar K. Ghosh. Flexible Interconnects for Electronic Textiles. Advanced Materials Technologies. 2018; 3 (10):1.

Chicago/Turabian Style

Talha Agcayazi; Kony Chatterjee; Alper Bozkurt; Tushar K. Ghosh. 2018. "Flexible Interconnects for Electronic Textiles." Advanced Materials Technologies 3, no. 10: 1.

Journal article
Published: 01 January 2018 in Composites Science and Technology
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ACS Style

Krishna B. Subramani; Richard J. Spontak; Tushar Ghosh. Influence of fiber characteristics on directed electroactuation of anisotropic dielectric electroactive polymers with tunability. Composites Science and Technology 2018, 154, 187 -193.

AMA Style

Krishna B. Subramani, Richard J. Spontak, Tushar Ghosh. Influence of fiber characteristics on directed electroactuation of anisotropic dielectric electroactive polymers with tunability. Composites Science and Technology. 2018; 154 ():187-193.

Chicago/Turabian Style

Krishna B. Subramani; Richard J. Spontak; Tushar Ghosh. 2018. "Influence of fiber characteristics on directed electroactuation of anisotropic dielectric electroactive polymers with tunability." Composites Science and Technology 154, no. : 187-193.

Journal article
Published: 01 August 2017 in Carbon
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ACS Style

Xiaomeng Fang; Ang Li; Ozkan Yildiz; Huiqi Shao; Philip D. Bradford; Tushar Ghosh. Enhanced anisotropic response of dielectric elastomer actuators with microcombed and etched carbon nanotube sheet electrodes. Carbon 2017, 120, 366 -373.

AMA Style

Xiaomeng Fang, Ang Li, Ozkan Yildiz, Huiqi Shao, Philip D. Bradford, Tushar Ghosh. Enhanced anisotropic response of dielectric elastomer actuators with microcombed and etched carbon nanotube sheet electrodes. Carbon. 2017; 120 ():366-373.

Chicago/Turabian Style

Xiaomeng Fang; Ang Li; Ozkan Yildiz; Huiqi Shao; Philip D. Bradford; Tushar Ghosh. 2017. "Enhanced anisotropic response of dielectric elastomer actuators with microcombed and etched carbon nanotube sheet electrodes." Carbon 120, no. : 366-373.

Journal article
Published: 02 January 2017 in Journal of Textile Design Research and Practice
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ACS Style

Andre West; Cynthia Istook; Anne Porterfield; Tushar Ghosh. A Service Learning Collaborative to Build a Sustainable Enterprise for Underprivileged Women (SEuW). Journal of Textile Design Research and Practice 2017, 5, 3 -16.

AMA Style

Andre West, Cynthia Istook, Anne Porterfield, Tushar Ghosh. A Service Learning Collaborative to Build a Sustainable Enterprise for Underprivileged Women (SEuW). Journal of Textile Design Research and Practice. 2017; 5 (1):3-16.

Chicago/Turabian Style

Andre West; Cynthia Istook; Anne Porterfield; Tushar Ghosh. 2017. "A Service Learning Collaborative to Build a Sustainable Enterprise for Underprivileged Women (SEuW)." Journal of Textile Design Research and Practice 5, no. 1: 3-16.

Conference
Published: 18 October 2016 in 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
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This paper investigates a novel multimodal sensing method by forming seam-lines of conductive textile fibers into commercially available fabrics. The proposed ultra-low cost micro-electro-mechanical sensor would provide, wearable, flexible, textile based biopotential signal recording, wetness detection and tactile sensing simultaneously. Three types of fibers are evaluated for their array-based sensing capability, including a 3D printed conductive fiber, a multiwall carbon nanotube based fiber, and a commercially available stainless steel conductive thread. The sensors were shown to have a correlation between capacitance and pressure; impedance and wetness; and recorded potential and ECG waveforms.

ACS Style

M. McKnight; T. Agcayazi; H. Kausche; T. Ghosh; A. Bozkurt. Sensing textile seam-line for wearable multimodal physiological monitoring. 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2016, 2016, 311 -314.

AMA Style

M. McKnight, T. Agcayazi, H. Kausche, T. Ghosh, A. Bozkurt. Sensing textile seam-line for wearable multimodal physiological monitoring. 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). 2016; 2016 ():311-314.

Chicago/Turabian Style

M. McKnight; T. Agcayazi; H. Kausche; T. Ghosh; A. Bozkurt. 2016. "Sensing textile seam-line for wearable multimodal physiological monitoring." 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2016, no. : 311-314.