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Applicant:
Indian Institute of Technology (IIT) Patna 
Author:
Atul Kumar, Ajay D. Thakur 
Corresponding Authors:
Ajay D Thakur 
DOI #:
https://doi.org/10.1007/s10854-019-01175-6 
Title:
Improving the optoelectrical properties of Cu2ZnSnS4 using gold and graphene nano-fllers 
Journal:
Journal of Materials Science: Materials in Electronics 
Year:
2019 
Volume:
20 
Page:
8546 
Keywords:
graphene nano-fllers, optoelectrical properties 
Abstract:
We have investigated photo-response of Cu2ZnSnS4 (CZTS) and have explored ways for enhancing the photo-response and conductivity using suitable nano-compositing strategies. In phase pure CZTS, gold nanoparticles and graphene fakes are used as nanofllers to make nano-composite samples. Photo-response of as-grown CZTS is improved by compositing gold with the observation of Ilight/Idark=1.29. With increasing gold nanoparticle size conductivity improved for CZTS gold composite. Compositing 1% graphene by weight has enhanced the current fow in the CTZS by 125 times. The graphene weight ratio in the composite is limited by absorbance reduction. The demonstrated high-quality CZTS nano-composite samples with improved optoelectrical properties holds tremendous promise for photovoltaic applications.  
Entered by:
Venkata Dantham on 2020-08-01 
 
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