{"title":"Improving the stability of perovskite precursor solution by using additives","authors":"Dilek Cirak, Burak Gultekin","doi":"10.1007/s10854-025-15865-x","DOIUrl":null,"url":null,"abstract":"<div><p>Although perovskites are a highly alluring material in the field of solar cells and energy materials, perovskite solar cells have some instability problems. In addition to external instability factors such as humidity, temperature, and light, some instability problems occur due to the aging of the precursor solution used in cell production. With the aging of the precursor solution, phase transitions occur in the solution, and the photoactive α-phase gradually transforms into the non-photoactive δ-phase. In this study, 3,4-dibromothiophene (DBT) additive was added to the solution in order to hinder these phase transitions and to provide the stability of the precursor solution. The solutions aged at different times were coated in thin film form by the spin-coating method. XRD, UV–VIS, and AFM analyses of thin films coated with precursor solutions with and without additives were carried out. In addition, optoelectronic performance analyses of solar cells produced using these precursor solutions were carried out.</p></div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"36 27","pages":""},"PeriodicalIF":2.8000,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Materials Science: Materials in Electronics","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s10854-025-15865-x","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
Although perovskites are a highly alluring material in the field of solar cells and energy materials, perovskite solar cells have some instability problems. In addition to external instability factors such as humidity, temperature, and light, some instability problems occur due to the aging of the precursor solution used in cell production. With the aging of the precursor solution, phase transitions occur in the solution, and the photoactive α-phase gradually transforms into the non-photoactive δ-phase. In this study, 3,4-dibromothiophene (DBT) additive was added to the solution in order to hinder these phase transitions and to provide the stability of the precursor solution. The solutions aged at different times were coated in thin film form by the spin-coating method. XRD, UV–VIS, and AFM analyses of thin films coated with precursor solutions with and without additives were carried out. In addition, optoelectronic performance analyses of solar cells produced using these precursor solutions were carried out.
期刊介绍:
The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.