Anannya Bhattacharya, Susomon Dutta, Sreeparna Paul, Subhrajit Sikdar, S. Chattopadhyay
{"title":"Growth of ZnSnO3 nano-crystalloids on Sisubstrate by employing chemical bath deposition (CBD) technique for self-powered UV-light sensing applications","authors":"Anannya Bhattacharya, Susomon Dutta, Sreeparna Paul, Subhrajit Sikdar, S. Chattopadhyay","doi":"10.1109/ISDCS49393.2020.9262987","DOIUrl":null,"url":null,"abstract":"In the current work, UV-light sensing property of poly-crystalline Zinc-Tin-Oxide (ZnSnO3)nano-crystalloids grown by employing double-step chemical bath deposition technique has been investigated. The formation of cubic ZnSnO3 structure on p-Si [100] substrate has been confirmed by FESEM images. Crystallographic orientation and optical properties of such crystalloids are studied by X-ray diffraction, UV-VIS spectrophotometry and ellipsometric measurements. Absorption coefficient of the CBD-grown ZnSnO3 is obtained to be 2.1 × 105/m, at the wavelength region corresponding to its band gap of 3.6 eV. The current-voltage (I-V) characteristic under both dark and illuminated condition reveals the ability of the self-biased heterojunction device to be used as UV-ray photo-detector.","PeriodicalId":177307,"journal":{"name":"2020 International Symposium on Devices, Circuits and Systems (ISDCS)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 International Symposium on Devices, Circuits and Systems (ISDCS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISDCS49393.2020.9262987","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In the current work, UV-light sensing property of poly-crystalline Zinc-Tin-Oxide (ZnSnO3)nano-crystalloids grown by employing double-step chemical bath deposition technique has been investigated. The formation of cubic ZnSnO3 structure on p-Si [100] substrate has been confirmed by FESEM images. Crystallographic orientation and optical properties of such crystalloids are studied by X-ray diffraction, UV-VIS spectrophotometry and ellipsometric measurements. Absorption coefficient of the CBD-grown ZnSnO3 is obtained to be 2.1 × 105/m, at the wavelength region corresponding to its band gap of 3.6 eV. The current-voltage (I-V) characteristic under both dark and illuminated condition reveals the ability of the self-biased heterojunction device to be used as UV-ray photo-detector.
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