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자료유형
학술저널
저자정보
Pinaki Mandal (Indian Institute of Engineering Science and Technology) Uday Kumar Ghorui (Indian Institute of Engineering Science and Technology) Anup Mondal (독립연구자) Dipali Banerjee (Indian Institute of Engineering Science and Technology)
저널정보
대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.18 No.4
발행연도
2022.7
수록면
381 - 390 (10page)
DOI
https://doi.org/10.1007/s13391-022-00349-5

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A comparative study of visible light-driven photoelectrochemical (PEC) cell was performed for tin selenide (SnSe), synthesizedby two different methods viz. solvothermal and electrodeposition. The SnSe films were characterized by XRD,EDS and SEM for structural, chemical, and morphological analysis, respectively. Optical characteristics were studied byUV?Vis-NIR and photoluminescence (PL) spectroscopy. PL emission spectra reveal strong blue emission band around at435 nm, which emphasize their potential application in optoelectronic devices. Photosensitivity and stability tests werecarried out by chronoamperometric measurement. Mott?Schottky plots were employed to obtain the flat band potentials,which were further used for an explanation of their performances in PEC cells. An enhanced photocurrent was observed forsolvothermally prepared SnSe (ST-SnSe) in comparison to electrochemically deposited SnSe (ED-SnSe) film. Efficiencies(η) of 0.62% and 1.25% were observed for ED-SnSe and ST-SnSe, respectively. Electropotential energy band diagrams ofFTO/SnSe/electrolyte junction have been presented to explain the obtained results.

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