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To maximize the utilization of red mud in geopolymers, a red mud–metakaolin (RM-MK) geopolymer and red mud–fly ash (RM-FA) geopolymer were prepared, respectively. The effects of red mud content on the compressive strength and microstructure of the geopolymers were investigated under three different curing conditions. The results showed that the strength of the geopolymer decreased linearly with an increase in the red mud content, whether curing at room temperature or 80 °C. Surprisingly, curing in an autoclave, the appropriate amount of red mud had a favorable impact on the mechanical properties of the geopolymers. When the amount of red mud was 50%, the strength of the RM-MK geopolymer reached its highest compressive strength, 36.3 MPa, and the strength of the RM-FA geopolymer reached its highest at 31.7 MPa. Compared with curing at low temperature, curing the red mud-based geopolymers under a higher temperature and higher pressure can maximize the use of red mud. XRD analysis indicated that zeolite minerals formed. The SEM results showed that the geopolymers cured in an autoclave had a dense structure.
Tao Ai; Danni Zhong; Yao Zhang; Jingshan Zong; Xin Yan; Yanhui Niu. The Effect of Red Mud Content on the Compressive Strength of Geopolymers under Different Curing Systems. Buildings 2021, 11, 298 .
AMA StyleTao Ai, Danni Zhong, Yao Zhang, Jingshan Zong, Xin Yan, Yanhui Niu. The Effect of Red Mud Content on the Compressive Strength of Geopolymers under Different Curing Systems. Buildings. 2021; 11 (7):298.
Chicago/Turabian StyleTao Ai; Danni Zhong; Yao Zhang; Jingshan Zong; Xin Yan; Yanhui Niu. 2021. "The Effect of Red Mud Content on the Compressive Strength of Geopolymers under Different Curing Systems." Buildings 11, no. 7: 298.
Ba0.6Sr0.4TiO3 (BST) ceramic materials have been widely used in the field of multilayer ceramic capacitors. Surface modification through the surface coating to form a heterogeneous layer could effectively improve the dielectric properties. In this work, BST powders were prepared by a co-precipitation method. The effects of reaction conditions on the microstructure of the BST powder were investigated. The reaction temperatures significantly affected the morphology of BST powder, and the rhombic-type particles were obtained with the reaction temperature around 80 °C. Meanwhile, the [email protected]2O3 was prepared by the chemical precipitation method using BST powders with rhombic-type microstructure as “core”, and the so-called “core-shell” microstructure was confirmed in the [email protected]2O3 powder. Then, [email protected] wt%Fe2O3 (x = 2.5, 5, 7.5, and 10, denoting the different content of Fe2O3) ceramics were further prepared, and the influence of “core-shell” structure on the phase structure, microstructure, and dielectric properties was investigated. With the increasing of Fe2O3 content, the ferroelectric–paraelectric phase transition temperature shifts toward lower temperatures, and dielectric peaks gradually become broad and frequency-dependent, which may be due to inconsistent chemical composition from core to shell.
Zhuo Li; Chenbo Wang; Zixuan Wang; Dandan Zhang; Yangxiao Qin; Qiangbin Yang; Zhuo Wang; Peng Zhao; Xinshuai Ma; Minghan Li; Tao Ai; Xin Yan; Yanhui Niu; Biaolin Peng; Shikuan Sun; Dawei Wang. Core-Shell Structure and Dielectric Properties of Ba0.6Sr0.4TiO3@ Fe2O3 Ceramics Prepared by Co-Precipitation Method. Crystals 2021, 11, 623 .
AMA StyleZhuo Li, Chenbo Wang, Zixuan Wang, Dandan Zhang, Yangxiao Qin, Qiangbin Yang, Zhuo Wang, Peng Zhao, Xinshuai Ma, Minghan Li, Tao Ai, Xin Yan, Yanhui Niu, Biaolin Peng, Shikuan Sun, Dawei Wang. Core-Shell Structure and Dielectric Properties of Ba0.6Sr0.4TiO3@ Fe2O3 Ceramics Prepared by Co-Precipitation Method. Crystals. 2021; 11 (6):623.
Chicago/Turabian StyleZhuo Li; Chenbo Wang; Zixuan Wang; Dandan Zhang; Yangxiao Qin; Qiangbin Yang; Zhuo Wang; Peng Zhao; Xinshuai Ma; Minghan Li; Tao Ai; Xin Yan; Yanhui Niu; Biaolin Peng; Shikuan Sun; Dawei Wang. 2021. "Core-Shell Structure and Dielectric Properties of Ba0.6Sr0.4TiO3@ Fe2O3 Ceramics Prepared by Co-Precipitation Method." Crystals 11, no. 6: 623.
Novel magnetic FeNCN nanorods were synthesized by a simple molten salt pyrolysis process. The microstructure, morphology and optical properties of the FeNCN nanorods were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV–vis diffuse reflectance spectroscopy (DRS) and photoluminescence (PL) spectroscopy. The XRD results indicated that the FeNCN samples were the hexagonal crystal structure with well crystallization. The SEM results showed that the FeNCN samples were rod-like structures with the lengths ranging from 200 nm to 1000 nm. The photocatalytic activities of the FeNCN nanorods were evaluated with the degradation of Rhodamine (RhB) under visible light. The results verified that the FeNCN nanorods had good visible light photocatalytic properties, with a rate of RhB degradation of 95% in 120 min visible light illumination. More importantly, the FeNCN nanorods exhibited good magnetic properties, which was conducive to their rapid separation and reuse in photocatalytic applications.
Xin Yan; Zimeng Ye; Guotao Ning; Jintong Li; Bingbing Kang; Yuanyuan Wang. Molten salt pyrolysis synthesis of magnetic FeNCN nanorods and their visible-light-driven photocatalytic properties. Applied Surface Science 2019, 506, 145010 .
AMA StyleXin Yan, Zimeng Ye, Guotao Ning, Jintong Li, Bingbing Kang, Yuanyuan Wang. Molten salt pyrolysis synthesis of magnetic FeNCN nanorods and their visible-light-driven photocatalytic properties. Applied Surface Science. 2019; 506 ():145010.
Chicago/Turabian StyleXin Yan; Zimeng Ye; Guotao Ning; Jintong Li; Bingbing Kang; Yuanyuan Wang. 2019. "Molten salt pyrolysis synthesis of magnetic FeNCN nanorods and their visible-light-driven photocatalytic properties." Applied Surface Science 506, no. : 145010.
Nitrogen hybridization is an attractive way to enhance the wettability and electric conductivity of porous carbon, which increases the capacitance of carbon-based supercapacitor, however, there is lack of low-cost methods to prepare the nitrogen-doped porous carbon materials. Herein, a novel facile nitrogen-containing bio-phenolic resin was synthesized by polymerization of the carbamate bio-oil, Phenol and paraformaldehyde. As a precursor of nitrogen-doped porous carbon, the nitrogen-containing bio-phenol resin was activated by the one-step molten-salt method. The resultant nitrogen-doped porous carbon showed a high specific surface area up to 1401 m2·g−1. As a supercapacitor electrode, the nitrogen-doped porous carbons showed specific capacitance of 159 F·g−1 at 0.5 A·g−1. It also exhibited high cyclic stability with 94.8% retention of the initial specific capacitance over 1000 charge-discharge cycles at 1.0 A·g−1. The results suggest that these nitrogen-containing bio-phenol resin provide a new source of nitrogen-doped porous carbon for high-performance supercapacitor electrodes.
Tao Ai; Zhe Wang; Haoran Zhang; Fenghua Hong; Xin Yan; Xinhua Su. Novel Synthesis of Nitrogen-Containing Bio-Phenol Resin and Its Molten Salt Activation of Porous Carbon for Supercapacitor Electrode. Materials 2019, 12, 1986 .
AMA StyleTao Ai, Zhe Wang, Haoran Zhang, Fenghua Hong, Xin Yan, Xinhua Su. Novel Synthesis of Nitrogen-Containing Bio-Phenol Resin and Its Molten Salt Activation of Porous Carbon for Supercapacitor Electrode. Materials. 2019; 12 (12):1986.
Chicago/Turabian StyleTao Ai; Zhe Wang; Haoran Zhang; Fenghua Hong; Xin Yan; Xinhua Su. 2019. "Novel Synthesis of Nitrogen-Containing Bio-Phenol Resin and Its Molten Salt Activation of Porous Carbon for Supercapacitor Electrode." Materials 12, no. 12: 1986.
Graphite-phase carbon nitride (g-C3N4) has a unique semiconductor band structure (band gap width 2.7 eV), excellent chemical stability and non-toxicity, which has potential application in the field of environmental pollution treatment and energy conversion. However, low specific surface area and high recombination photo-generated electrons–holes, which lead to low quantum efficiency of photocatalytic process and seriously restrict its photocatalytic activity. Herein, crystalline poly(triazine imide) (PTI) with different morphologies was synthesized by molten salts method. The results showed that the layer structure, hollow tubes and nanosheets of crystalline PTI were obtained according to different mass ratio of raw materials and molten salt. The degradation of rhodamine B under visible light irradiation was used to evaluate the catalytic activity of the photocatalyst. The PTI nanosheets exhibited highest visible light catalytic activity due to the increase in specific surface area and improvement of separation efficiency of electron hole pairs. A possible mechanism was also raised according to the results of trapping experimental and spectroscopic properties.
Xin Yan; Jintong Li; Haofei Zhou. Molten salts synthesis and visible light photocatalytic activity of crystalline poly(triazine imide) with different morphologies. Journal of Materials Science: Materials in Electronics 2019, 30, 11706 -11713.
AMA StyleXin Yan, Jintong Li, Haofei Zhou. Molten salts synthesis and visible light photocatalytic activity of crystalline poly(triazine imide) with different morphologies. Journal of Materials Science: Materials in Electronics. 2019; 30 (12):11706-11713.
Chicago/Turabian StyleXin Yan; Jintong Li; Haofei Zhou. 2019. "Molten salts synthesis and visible light photocatalytic activity of crystalline poly(triazine imide) with different morphologies." Journal of Materials Science: Materials in Electronics 30, no. 12: 11706-11713.
Aged asphalt can enormously affect the performance of asphalt pavement and cause serious environmental hazards. Microcapsule-modified asphalt is one of the effective means to improve the anti-aging ability of asphalt. In this work, novel sustained-release microcapsules containing rejuvenator were prepared by the solvent evaporation method. The morphology of the microcapsules was characterized by scanning electron microscopy (SEM). The sustained-release properties of the microcapsules were investigated by static thermogravimetric analysis. The physical properties such as penetration, ductility, softening point, and Brookfield viscosity of the original asphalt and microcapsule-modified asphalt were studied. In addition, the viscoelasticity of the original asphalt and microcapsule-modified asphalt was investigated by means of a dynamic shear rheometer (DSR). The results show that the prepared microcapsules have a smooth surface and a complete encapsulation with an average particle size of 60 μm. After the heating treatment (above 140 °C), a large number of micropores were formed on the shell surface of microcapsules, which provided a structural basis for the sustained-release of rejuvenator. The release rate of the rejuvenator was obviously slowed down by the microcapsules. The aging behavior of sustained-release microcapsules containing rejuvenator-modified asphalt can be greatly improved. The enhanced anti-aging properties of sustained-release microcapsule-modified asphalt are attributed to the functions of the rejuvenator which can be slowly released from the micropores on the microcapsules’ surface, after which the light components lost in the original asphalt can be supplemented.
Xin Yan; Guotao Ning; Xiaofeng Wang; Tao Ai; Peng Zhao; Zhenjun Wang. Preparation and Short-Term Aging Properties of Asphalt Modified by Novel Sustained-Release Microcapsules Containing Rejuvenator. Materials 2019, 12, 1122 .
AMA StyleXin Yan, Guotao Ning, Xiaofeng Wang, Tao Ai, Peng Zhao, Zhenjun Wang. Preparation and Short-Term Aging Properties of Asphalt Modified by Novel Sustained-Release Microcapsules Containing Rejuvenator. Materials. 2019; 12 (7):1122.
Chicago/Turabian StyleXin Yan; Guotao Ning; Xiaofeng Wang; Tao Ai; Peng Zhao; Zhenjun Wang. 2019. "Preparation and Short-Term Aging Properties of Asphalt Modified by Novel Sustained-Release Microcapsules Containing Rejuvenator." Materials 12, no. 7: 1122.
Semiconductor heterojunction nanostructures have drawn attention due to their novel structures, unique electrical and optical properties. Herein, we reported a facile vapor deposition process to construct a few layer g-C3N4/flower-like ZnO heterojunction. The structure and morphology of heterojunction were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, UV–vis diffuse reflectance spectroscopy and photoluminescence spectra. The results showed that few layer g-C3N4 was deposited on the surface of flower-like ZnO to form the close interaction. The reduction of Cr(VI) under visible light irradiation was used to evaluate the activity of photocatalyst. The heterojunction exhibited enhanced photocatalytic activity, which could result in 95% of Cr(VI) reduction within 120 min. The trapping experiments verified that photoelectrons played a main role in the Cr(VI) reduction process.
Xin Yan; Jintong Li; Tao Ai; Xinghua Su; Zhenjun Wang; Peng Zhao. Few layer g-C3N4 decorated flower-like ZnO for visible light photocatalytic reduction of Cr(VI). Journal of Materials Science: Materials in Electronics 2019, 30, 8577 -8584.
AMA StyleXin Yan, Jintong Li, Tao Ai, Xinghua Su, Zhenjun Wang, Peng Zhao. Few layer g-C3N4 decorated flower-like ZnO for visible light photocatalytic reduction of Cr(VI). Journal of Materials Science: Materials in Electronics. 2019; 30 (9):8577-8584.
Chicago/Turabian StyleXin Yan; Jintong Li; Tao Ai; Xinghua Su; Zhenjun Wang; Peng Zhao. 2019. "Few layer g-C3N4 decorated flower-like ZnO for visible light photocatalytic reduction of Cr(VI)." Journal of Materials Science: Materials in Electronics 30, no. 9: 8577-8584.
Potassium geopolymer (KGP) ceramics are synthesized by the molten salt method. Metakaolin changes to a potassium geopolymer through a reaction with potassium silicate at 80 °C/24 h. Potassium geopolymer, with a silicon to aluminum (Si/Al) molar ratio of 2, turns into a leucite ceramic in molten potassium salt (KCl) at 900 °C/6 h. X-Ray Diffraction analysis of the KGP treated by molten KCl salt shows the amorphous phase change to leucite crystal phase. A scanning electron microscope image of sintered KGP proves that the grain size of the leucite crystal decreases with soaking time. Compared with solid state sintering, liquid molten salt sintering KGP can be more easily formed into dense ceramics at lower temperatures.
Tao Ai; Feng-Hua Hong; Yi-Na Kang; Hao-Ran Zhang; Xin Yan. Synthesis of Monolithic Potassium Geopolymer Ceramics Assisted by Molten Salt. Materials 2019, 12, 461 .
AMA StyleTao Ai, Feng-Hua Hong, Yi-Na Kang, Hao-Ran Zhang, Xin Yan. Synthesis of Monolithic Potassium Geopolymer Ceramics Assisted by Molten Salt. Materials. 2019; 12 (3):461.
Chicago/Turabian StyleTao Ai; Feng-Hua Hong; Yi-Na Kang; Hao-Ran Zhang; Xin Yan. 2019. "Synthesis of Monolithic Potassium Geopolymer Ceramics Assisted by Molten Salt." Materials 12, no. 3: 461.
Hexavalent chromium Cr(VI) pollution makes has a harmful impact on human health and the ecological environment. Photocatalysis reduction technology exhibits low energy consumption, high reduction efficiency and stable performance, and is playing an increasingly important role in chromium pollution control. Graphite-phase carbon nitride has been used to reduce Cr(VI) to the less harmful Cr(III) due to its visible light catalytic activity, chemical stability and low cost. However, it has a low specific surface area and fast recombination of electron–hole pairs, which severely restrict its practical application. In this work, a TiO2-modified poly(triazine imide) (PTI) square nanotube was prepared by the one-step molten salts method. The results showed the PTI had a square hollow nanotube morphology, with an about 100–1000 nm width and 60–70 nm thickness. During the formation of the PTI square tube, TiO2 nanoparticles adhere to the surface of the square tube wall by strong adsorption, and eventually form a PTI/TiO2 heterojunction. The PTI/TiO2-7 wt% heterojunction exhibited very good Cr(VI) reduction efficiency within 120 min. The enhanced photocatalytic activity was mainly attributed to the efficient separation and transport of photo-induced electron–hole pairs and the high specific surface area in the heterojunction structure.
Xin Yan; Guotao Ning; Peng Zhao. Enhanced Visible Light Photocatalytic Reduction of Cr(VI) over a Novel Square Nanotube Poly(Triazine Imide)/TiO2 Heterojunction. Catalysts 2019, 9, 55 .
AMA StyleXin Yan, Guotao Ning, Peng Zhao. Enhanced Visible Light Photocatalytic Reduction of Cr(VI) over a Novel Square Nanotube Poly(Triazine Imide)/TiO2 Heterojunction. Catalysts. 2019; 9 (1):55.
Chicago/Turabian StyleXin Yan; Guotao Ning; Peng Zhao. 2019. "Enhanced Visible Light Photocatalytic Reduction of Cr(VI) over a Novel Square Nanotube Poly(Triazine Imide)/TiO2 Heterojunction." Catalysts 9, no. 1: 55.
A novel poly(triazine imide) hollow tube (PTI)/ZnO heterojunction was prepared by a molten salts method. The photocatalyst was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV–vis diffuse reflectance spectroscopy (DRS) and photoluminescence (PL) spectroscopy, respectively. The results showed the ZnO nanoparticles were successfully coupled into the PTI hollow tube to form PTI/ZnO heterojunction. The degradation of tetracycline hydrochloride (TC) under visible light irradiation was used to evaluate the activity of photocatalyst. The PTI/ZnO-6 wt% heterojunction exhibits the highest photocatalytic activity, which can degrade almost all TC within 90 min. The kinetic constant of degradation reaction with PTI/ZnO-6 wt% heterojunction (0.034 min−1) is about 5 times as high as that of the PTI (0.0070 min−1). A possible photocatalytic mechanism for heterojunction according to the energy-band theory was proposed.
Xin Yan; Jie Qin; Guotao Ning; Jintong Li; Tao Ai; Xinghua Su; Zhenjun Wang. A novel poly(triazine imide) hollow tube/ZnO heterojunction for tetracycline hydrochloride degradation under visible light irradiation. Advanced Powder Technology 2018, 30, 359 -365.
AMA StyleXin Yan, Jie Qin, Guotao Ning, Jintong Li, Tao Ai, Xinghua Su, Zhenjun Wang. A novel poly(triazine imide) hollow tube/ZnO heterojunction for tetracycline hydrochloride degradation under visible light irradiation. Advanced Powder Technology. 2018; 30 (2):359-365.
Chicago/Turabian StyleXin Yan; Jie Qin; Guotao Ning; Jintong Li; Tao Ai; Xinghua Su; Zhenjun Wang. 2018. "A novel poly(triazine imide) hollow tube/ZnO heterojunction for tetracycline hydrochloride degradation under visible light irradiation." Advanced Powder Technology 30, no. 2: 359-365.
The g-C3N4/MoS2 nanosheet heterojunction was prepared via a facile ball milling method. The microstructure and morphology of the composite were characterized by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), UV-vis diffuse reflectance spectroscopy (DRS) and photoluminescence (PL) spectroscopy. The photocatalytic activities were evaluated by the degradation of organic Rhodamine B (RhB) under visible light irradiation. The results indicate that MoS2 nanosheets are successfully coupled into g-C3N4 to form a C3N4/MoS2 heterojunction. The kinetic constant of RhB degradation with g-C3N4/MoS2 nanosheets-2 wt% heterojunction (0.0368 min−1) is about 4.3 times as high as that of the bulk g-C3N4 (0.00840 min−1). The enhanced photocatalytic activities can be mainly ascribed to the efficient separation and transportation of photo-induced electron-hole pairs. The possible photocatalytic mechanism of composites was proposed according to the light trapping experiment.
Yan Xin; Gao Qiang; Hui Xiaoyan; Yan Congxiang; Ai Tao; Wang Zhenjun; Sun Guodong; Su Xinghua; Zhao Peng. Fabrication of g-C3N4/MoS2 Nanosheet Heterojunction by Facile Ball Milling Method and Its Visible Light Photocatalytic Performance. Rare Metal Materials and Engineering 2018, 47, 3015 -3020.
AMA StyleYan Xin, Gao Qiang, Hui Xiaoyan, Yan Congxiang, Ai Tao, Wang Zhenjun, Sun Guodong, Su Xinghua, Zhao Peng. Fabrication of g-C3N4/MoS2 Nanosheet Heterojunction by Facile Ball Milling Method and Its Visible Light Photocatalytic Performance. Rare Metal Materials and Engineering. 2018; 47 (10):3015-3020.
Chicago/Turabian StyleYan Xin; Gao Qiang; Hui Xiaoyan; Yan Congxiang; Ai Tao; Wang Zhenjun; Sun Guodong; Su Xinghua; Zhao Peng. 2018. "Fabrication of g-C3N4/MoS2 Nanosheet Heterojunction by Facile Ball Milling Method and Its Visible Light Photocatalytic Performance." Rare Metal Materials and Engineering 47, no. 10: 3015-3020.
The poly(triazine imide) (PTI) nanotube/ZnO heterojunction was prepared by two step method. PTI nanotube was synthesized from the condensation of melamine in a salt melt of LiCl–KCl. Then, nano-sized ZnO supported on PTI nanotube was prepared by a chemical precipitation method. The reduction rate of Cr(VI) under visible light irradiation was used to evaluate the activity of photocatalyst. It was found that the PTI/ZnO-1.5 wt% heterojunction exhibits the highest photocatalytic activity, which can reduce almost all Cr(VI) within 120 min. The kinetic constant of reduction reaction with PTI/ZnO-1.5 wt% heterojunction (0.0291 min− 1) is about 6 times as high as that of the PTI (0.00443 min− 1). A possible photocatalytic mechanism was discussed on the basis of the energy-band theory and scavenger experiments. Results show that photo-induced electrons participated in the reduction of Cr(VI) solution over the PTI/ZnO heterojunction. The enhanced photocatalytic activities of heterojunction can be attributed to efficient charge separation and good interfacial contact between PTI and ZnO.
Xin Yan; Jie Qin; Qiang Gao; Zimeng Ye; Tao Ai; Xinghua Su; Zhenjun Wang. Nano-sized ZnO supported on poly(triazine imide) nanotube for visible light driven photocatalytic reduction of Cr(VI). Journal of Materials Science: Materials in Electronics 2018, 29, 19509 -19516.
AMA StyleXin Yan, Jie Qin, Qiang Gao, Zimeng Ye, Tao Ai, Xinghua Su, Zhenjun Wang. Nano-sized ZnO supported on poly(triazine imide) nanotube for visible light driven photocatalytic reduction of Cr(VI). Journal of Materials Science: Materials in Electronics. 2018; 29 (22):19509-19516.
Chicago/Turabian StyleXin Yan; Jie Qin; Qiang Gao; Zimeng Ye; Tao Ai; Xinghua Su; Zhenjun Wang. 2018. "Nano-sized ZnO supported on poly(triazine imide) nanotube for visible light driven photocatalytic reduction of Cr(VI)." Journal of Materials Science: Materials in Electronics 29, no. 22: 19509-19516.
Yan Xin; Lu Jin-Hua; Hui Xiao-Yan; Yan Cong-Xiang; Gao Qiang; Sun Guo-Dong. Preparation and Visible Light Photocatalytic Property of g-C3N4/MoS2 Nanosheets/GO Ternary Composite Photocatalyst. Journal of Inorganic Materials 2018, 33, 515 -520.
AMA StyleYan Xin, Lu Jin-Hua, Hui Xiao-Yan, Yan Cong-Xiang, Gao Qiang, Sun Guo-Dong. Preparation and Visible Light Photocatalytic Property of g-C3N4/MoS2 Nanosheets/GO Ternary Composite Photocatalyst. Journal of Inorganic Materials. 2018; 33 (5):515-520.
Chicago/Turabian StyleYan Xin; Lu Jin-Hua; Hui Xiao-Yan; Yan Cong-Xiang; Gao Qiang; Sun Guo-Dong. 2018. "Preparation and Visible Light Photocatalytic Property of g-C3N4/MoS2 Nanosheets/GO Ternary Composite Photocatalyst." Journal of Inorganic Materials 33, no. 5: 515-520.
Novel TiO2/g-C3N4 hollow nanotube heterojunction was prepared via a molten salts method. The X-ray diffraction (XRD) result showed the crystalline phase of g-C3N4 hollow nanotube was changed from triazine-based g-C3N4 phase transition to heptazine-based g-C3N4 phase with the addition of TiO2 nanoparticles. The square hollow morphology, about 400 nm width and 60–70 nm wall thickness were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The UV-vis diffuse reflectance spectra (DRS) implied that the heterojunction can capture more visible light. The photoluminescence (PL) spectra showed that the heterojunction had efficient separation of photo generated electrons and holes. The heterojunction showed a rapid RhB degradation with the degradation rate of 95% in 60 min.
Xin Yan; Qiang Gao; Jie Qin; Xiaoyan Hui; Zimeng Ye; Junchun Li; Ziyi Ma. A facile method for fabricating TiO2/g-C3N4 hollow nanotube heterojunction and its visible light photocatalytic performance. Materials Letters 2017, 217, 1 -4.
AMA StyleXin Yan, Qiang Gao, Jie Qin, Xiaoyan Hui, Zimeng Ye, Junchun Li, Ziyi Ma. A facile method for fabricating TiO2/g-C3N4 hollow nanotube heterojunction and its visible light photocatalytic performance. Materials Letters. 2017; 217 ():1-4.
Chicago/Turabian StyleXin Yan; Qiang Gao; Jie Qin; Xiaoyan Hui; Zimeng Ye; Junchun Li; Ziyi Ma. 2017. "A facile method for fabricating TiO2/g-C3N4 hollow nanotube heterojunction and its visible light photocatalytic performance." Materials Letters 217, no. : 1-4.