Haimin Li, Bo An, Shuqian Liu, Guangzhao Zhang, Hongyang Chen, Jia Liao, Zheng Zhang, Yuhao Wei, Xingchong Liu, Hanyu Wang
{"title":"Enhanced (111) orientation resulted from hydrophobic protective layer for high efficiency and ambient stability of perovskite solar cells","authors":"Haimin Li, Bo An, Shuqian Liu, Guangzhao Zhang, Hongyang Chen, Jia Liao, Zheng Zhang, Yuhao Wei, Xingchong Liu, Hanyu Wang","doi":"10.1016/j.apsusc.2024.162083","DOIUrl":null,"url":null,"abstract":"Perovskite solar cells (PSCs) have aroused great attention due to its low cost and high efficiency. However, the moisture instability is one of the main obstacle for its industrialization. In this work, we coated Methyl Succinamate (MS) hydrophobic protective layer on top of perovskite (PVK) layer with electron transport layer (ETL) prepared by chemical bath deposition (CBD). The ester and amide groups act as hydrophobic groups to prevent the erosion from water vapor. In addition, –NH<sub>2</sub> and C=O can interact with uncoordinated Pb<sup>2+</sup> to stabilize the octahedral structure in PVK. Eventually, XRD results demonstrate that (111) orientation degree is greatly promoted from 0.09 to 0.25. In the end, the efficiency of the device prepared in the glove box increased by 0.76 %, from 21.99 % to 22.75 %. While, the maximum efficiency of the devices prepared in ambient was improved by 1.46 %, from 19.43 to 20.89 %, almost twice promotion of the devices prepared in N<sub>2</sub> atmosphere. This work manifest that enhanced (111) orientation is favorable for ambient preparation of PSCs.","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"43 1","pages":""},"PeriodicalIF":6.3000,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Surface Science","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1016/j.apsusc.2024.162083","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Perovskite solar cells (PSCs) have aroused great attention due to its low cost and high efficiency. However, the moisture instability is one of the main obstacle for its industrialization. In this work, we coated Methyl Succinamate (MS) hydrophobic protective layer on top of perovskite (PVK) layer with electron transport layer (ETL) prepared by chemical bath deposition (CBD). The ester and amide groups act as hydrophobic groups to prevent the erosion from water vapor. In addition, –NH2 and C=O can interact with uncoordinated Pb2+ to stabilize the octahedral structure in PVK. Eventually, XRD results demonstrate that (111) orientation degree is greatly promoted from 0.09 to 0.25. In the end, the efficiency of the device prepared in the glove box increased by 0.76 %, from 21.99 % to 22.75 %. While, the maximum efficiency of the devices prepared in ambient was improved by 1.46 %, from 19.43 to 20.89 %, almost twice promotion of the devices prepared in N2 atmosphere. This work manifest that enhanced (111) orientation is favorable for ambient preparation of PSCs.
期刊介绍:
Applied Surface Science covers topics contributing to a better understanding of surfaces, interfaces, nanostructures and their applications. The journal is concerned with scientific research on the atomic and molecular level of material properties determined with specific surface analytical techniques and/or computational methods, as well as the processing of such structures.