{"title":"Post annealing effects of perovskite (CH3NH3PbI3) thin films for solar cell applications","authors":"I. Mohanty, S. Mangal, S. Jana, U. Singh","doi":"10.1063/5.0061270","DOIUrl":null,"url":null,"abstract":"In this work, methyl ammonium lead iodide (CH3NH3PbI3) thin films were deposited using spin-coating method. The thin films were investigated as a function of different thermal annealing temperatures with time being constant and as a function of time with constant temperature. The compositional and structural analyses have been studied by EDXRF and XRD respectively. The optical and chemical properties were also studied using UV-Vis spectrophotometer and FTIR spectroscopy. The characterization result shows the change in its properties with increase in temperature and time. From the XRD data, it can be observed that with an increase in temperature, the CH3NH3PbI3 decomposes to PbI2, and with an increase in annealing time, the CH3NH3PbI3 peaks show degradation. A basic comparison has been made in order to study the effect of annealing on the CH3NH3PbI3 thin films.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"12 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/5.0061270","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this work, methyl ammonium lead iodide (CH3NH3PbI3) thin films were deposited using spin-coating method. The thin films were investigated as a function of different thermal annealing temperatures with time being constant and as a function of time with constant temperature. The compositional and structural analyses have been studied by EDXRF and XRD respectively. The optical and chemical properties were also studied using UV-Vis spectrophotometer and FTIR spectroscopy. The characterization result shows the change in its properties with increase in temperature and time. From the XRD data, it can be observed that with an increase in temperature, the CH3NH3PbI3 decomposes to PbI2, and with an increase in annealing time, the CH3NH3PbI3 peaks show degradation. A basic comparison has been made in order to study the effect of annealing on the CH3NH3PbI3 thin films.
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