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12 results on '"Rana, Devendra Kumar"'

3. Structural and Optical Properties of Chalcogenide WS2 Thin Film

Author

Kumar, Avneesh, Kumar, Sandeep, Srivastava, Mudit Prakash, Yadav, Prachi, Surbhi, Rana, Devendra Kumar, Ghosh, Arindam, Series Editor, Chua, Daniel, Series Editor, de Souza, Flavio Leandro, Series Editor, Aktas, Oral Cenk, Series Editor, Han, Yafang, Series Editor, Gong, Jianghong, Series Editor, Jawaid, Mohammad, Series Editor, Krupanidhi, Saluru Baba, editor, Sharma, Anjali, editor, Singh, Anjani Kumar, editor, and Tuli, Vinita, editor

Published
2024
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4. Characterization of Nanocrystalline ZnS Thin Film on p–Si by Chemical Bath Deposition Method

Author

Gupta, Ajeet, Kumar, Arun, Srivastava, Mudit Prakash, Meena, Vijay Singh, Kumar, Sandeep, Rana, Devendra Kumar, Ghosh, Arindam, Series Editor, Chua, Daniel, Series Editor, de Souza, Flavio Leandro, Series Editor, Aktas, Oral Cenk, Series Editor, Han, Yafang, Series Editor, Gong, Jianghong, Series Editor, Jawaid, Mohammad, Series Editor, Krupanidhi, Saluru Baba, editor, Sharma, Anjali, editor, Singh, Anjani Kumar, editor, and Tuli, Vinita, editor

Published
2024
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12. Facile Growth of Zinc Oxysulfide Nano Thin Film-based Visible Light Photosensor by Hydrothermal Method

Author

Gupta, Ajeet, Kumar, Avneesh, Surbhi, Srivastava, Mudit P., and Rana, Devendra Kumar

Abstract

Zinc oxysulfide (ZnOS) nano-thin film has been deposited on a p-type silicon and glass substrate via the hydrothermal deposition method at a temperature of 200 °C. The crystallographic information and morphological analysis of zinc oxysulfide (ZnOS) thin film have been done by X-ray diffraction (XRD) patterns and field effect scanning electron microscopy (FESEM). The chemical composition investigation of the ZnOS thin film was done by energy-dispersive X-ray spectroscopy (EDX). Ultraviolet-visible (UV–vis) and photoluminescence (PL) spectroscopy have been utilized for optical analysis. The electrical and electro-optical measurements of ZnOS thin film have been carried out by I-V characteristics in the visible light environment with a power density of 30 mW cm−2. It was found that zinc oxysulfide (ZnOS) thin film illustrates the facile responsive photodetection under visible light. The ZnOS thin film has a response time of 1.46 s and a recovery time is equal to 1.32 s. The specific detectivity of the deposited thin film was found to be 3.81 × 108Jones. The responsivity of the deposited thin film is found 7.08 × 102mA W−1.

Published
2024
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