Deewakar Poudel, Benjamin Belfore, Adam Masters, A. Rockett, S. Marsillac
{"title":"Effect of Metal Halides Treatment on High Throughput Low Temperature CIGS Solar Cells","authors":"Deewakar Poudel, Benjamin Belfore, Adam Masters, A. Rockett, S. Marsillac","doi":"10.1109/PVSC48317.2022.9938873","DOIUrl":null,"url":null,"abstract":"Copper indium gallium diselenide (CIGS) semiconductor thin films were deposited at high rate and low temperature using single-stage thermal co-evaporation process on molybdenum back contact. A post deposition treatment was done by flashing AgBr at 350 °C to induce recrystallization. Changes in morphology were confirmed by SEM, with an observed increase in grain size, as well as by XRD measurements, with a decrease in FWHM. Device results show an improvement of the performance after the AgBr vapor treatment, as all the photovoltaic parameters enhanced. Overall, AgBr seems to be a suitable transport agent and beneficial for device fabrication.","PeriodicalId":435386,"journal":{"name":"2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)","volume":"238 ","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PVSC48317.2022.9938873","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
Copper indium gallium diselenide (CIGS) semiconductor thin films were deposited at high rate and low temperature using single-stage thermal co-evaporation process on molybdenum back contact. A post deposition treatment was done by flashing AgBr at 350 °C to induce recrystallization. Changes in morphology were confirmed by SEM, with an observed increase in grain size, as well as by XRD measurements, with a decrease in FWHM. Device results show an improvement of the performance after the AgBr vapor treatment, as all the photovoltaic parameters enhanced. Overall, AgBr seems to be a suitable transport agent and beneficial for device fabrication.
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