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Dr. Sonalika Agarwal
Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
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Academic Career Length
16Years (2011-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 August 2019 in Sensors and Actuators B: Chemical
Journal Article
SASonalika Agarwal
Sonalika AgarwalPRPrabhakar Rai
Prabhakar RaiENEric Navarrete
Eric Navarrete
Eduard LlobetFGFrank Güell
Frank Güell
KAKamlendra Awasthi
Kamlendra Awasthi +1
1 November 2021 in Sensors and Actuators B: Chemical
Journal Article
SASonalika Agarwal
Sonalika AgarwalSKSanjay Kumar
Sanjay Kumar
HAHimanshu Agrawal
Himanshu Agrawal
MMMohamad G. Moinuddin
Mohamad G. Moinuddin
MKManoj Kumar
Manoj Kumar
KAKamlendra Awasthi
Kamlendra Awasthi
+1
24 July 2019 in Applied Physics A
Journal Article
SASonalika Agarwal
Sonalika AgarwalLJLokesh K. Jangir
Lokesh K. Jangir
KRKuldeep S. Rathore
Kuldeep S. Rathore
MKManoj Kumar
Manoj KumarKAKamlendra Awasthi
Kamlendra Awasthi25 May 2011 in Phase Transitions
Journal Article
In this article, ZnS nanoparticles were prepared by wet chemical precipitation method using zinc sulphate (ZnSO4), sodium sulphide (Na2S) and thio-glycerol. These nanoparticles were characterized through X-ray diffraction (XRD) and transmission electron microscope (TEM) measurements. The solution-based processing was used to prepare Poly methyl methacrylate (PMMA) nanocomposites with different weight percents (0, 2, 4, 6 and 8) of ZnS nanoparticles. The obtained ZnS/PMMA nanocomposites were characterized through XRD, scanning electron microscope and TEM measurements. The dynamic mechanical analyzer was used to obtain the storage modulus and glass transition temperature (T g) of the nanocomposites. The apparent activation energy of the glass transition region was also determined using the Vogel–Fulcher–Tammann equation. The results indicated that the thermal stability of ZnS/PMMA nanocomposites was higher than PMMA and 6 wt. % of ZnS nanoparticles in PMMA matrix showed the maximum activation energy, which indicated that this nanocomposite had higher thermal stability than other composites.
9 October 2014 in Applied Nanoscience
Journal Article
SASonalika Agarwal
Sonalika AgarwalNSNarendra Sahai Saxena
Narendra Sahai Saxena
VKVipin Kumar
Vipin KumarZinc sulphide/poly(methyl methacrylate) (ZnS/PMMA) nanocomposites with different (0, 2, 4, 6 and 8) wt% of ZnS nanoparticles have been prepared by solution casting method. The obtained ZnS/PMMA nanocomposites have been characterized through X-ray diffraction (XRD) and transmission electron microscopy (TEM) measurements. Transient plane source (TPS) technique was used to determine the effective thermal conductivity of ZnS/PMMA nanocomposites over the temperature range from room (30° C) to 120° C. The results indicated that the effective thermal conductivity shows increasing behavior up to glass transition temperature beyond which, it becomes constant due to the straightening of chains and vacant site scattering of phonons, respectively. It is also observed that effective thermal conductivity of ZnS/PMMA nanocomposites increases with the increase of concentration of ZnS nanoparticles up to 6 wt% and decreases at 8 wt%. This increase and decrease of thermal conductivity of these nanocomposites are explained on the basis of their structure.
24 August 2011 in Journal of Applied Polymer Science
Journal Article
About Me
Dr. Sonalika Agarwal is a distinguished Assistant Professor at Hiroshima University, Japan, renowned for her pioneering contributions to materials science and nanotechnology. With over 13 years of international research experience across leading institutions in Japan, Spain, South Korea, and India, she has established deep expertise in designing advanced functional nanomaterials, including metal oxides, TMDs, carbon nanostructures, noble metal and alloy nanoparticles, and polymer nanocomposites. Her research drives innovation in gas sensing, hydrogen storage, and next‑generation sustainable‑energy technologies. Dr. Agarwal’s excellence has been recognized through competitive honors such as the DST Women Scientist Award, the BRICS Young Scientist Award, and multiple best presentation awards, alongside prestigious research fellowships from JBNU (South Korea), ICTP (Italy), and DST (India). She also serves as a Scientific Editor for Materials Today Communications Journal (Elsevier) and Guest Editor of a special issue in Hydrogen Journal. Dr. Agarwal is widely regarded for her scientific leadership and vision in advancing the frontiers of nanomaterial‑based energy and sensing technologies, fostering impactful interdisciplinary collaborations across academia and industry.