Abstract
Cu2FeSnS4 (CFTS) is a quaternary chalcogenide semiconducting nanomaterial which shows promising features for optoelectronic applications. In the present study, the hydrothermal method was employed to synthesize CFTS nanoparticles using metal–diethyldithiocarbamate and the regularly reported chloride as precursors. From the nanoparticles, thin films were prepared by spin coating, and annealed in sulfur atmosphere. The effect of precursor material on CFTS properties, particularly in the photoresponse, was investigated by spectroscopic and microscopic techniques. Diethyldithiocarbamate route produced single phase, crystalline CFTS nanoparticles were 15–20 nm. The perfect crystalline nature of CFTS nanoparticles was analyzed by HRTEM. The optical absorption spectrum shows strong absorption with an ideal optical band gap which is suitable for solar cell applications and Photoresponse behavior of CFTS thin film was documented. This work contributes to a deeper understanding of the relationship between precursor selection, nanoparticle properties, and photoresponse characteristics, paving the way for enhanced design and utilization of Cu2FeSnS4 nanoparticles in photodetectors and other optoelectronic devices.
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Acknowledgements
GSDB acknowledges the Management of Chettinad College of Engineering and Technology Management, Karur for the support to carry out research work. A portion of this research was performed using facilities at Centre for Nanoscience and Engineering (CeNSE), Indian Institute of Science, Bangalore through Indian Nano User Programme (INUP), funded by Department of Electronics and Information Technology (DeitY), Govt. of India. Special thanks to Dr. Gopal MB, UGC-DAE-CSR, Kalpakkam for TEM analysis and discussions. A part of research work was carried at UGC-DAE Consortium for Scientific Research, Kalpakkam Node, Kokkilamedu, India.
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SDB: worked in the laboratory for experimental work, wrote the manuscript, development or design of methodology, creation of models and XSS: Project administration, supervision review and editing of manuscript. Each authors have knowledge about their submission and contributed work equally.
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Babu, G.S.D., Shajan, X.S. Photoresponse analysis of hydrothermally synthesized p-type Cu2FeSnS4 nanoparticles using metal-diethyldithiocarbamate precursors. J Mater Sci: Mater Electron 34, 2286 (2023). https://doi.org/10.1007/s10854-023-11692-0
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DOI: https://doi.org/10.1007/s10854-023-11692-0