第44卷第2期2023年2月Vol.44No.2Feb.,2023发光学报CHINESEJOURNALOFLUMINESCENCE葡萄糖作钝化剂的绿光多晶薄膜钙钛矿发光二极管董建华1,卢璐1,金旭东1,卢琦晴1,苗艳勤1,2*,赵敏1,3(1.太原理工大学新材料界面科学与工程教育部重点实验室,山西太原030024;2.山西浙大新材料与化工研究院,山西太原030024;3.兴县经开区铝镁新材料研发有限公司,山西兴县033600)摘要:金属卤化物钙钛矿发光二极管具有颜色可调、色纯度高、光谱稳定性好等优点,成为近年来的研究热点。溶液加工的多晶薄膜钙钛矿发光二极管制备工艺简单且成本低,但结晶过程中容易形成缺陷,进而影响器件性能。本文提出采用低成本的葡萄糖作为钝化剂,制备多晶薄膜钙钛矿发光二极管,葡萄糖的加入有效抑制了器件中缺陷诱导非辐射复合损失。在葡萄糖浓度为0.2mol·L-1时,缺陷钝化效果最佳,器件的最大亮度达到11840cd·m-2,最大电流效率为7.89cd·A-1,光谱稳定性及色纯度好,且表现出较好的重复性。本文为多晶薄膜钙钛矿发光二极管中缺陷的钝化提供了简单而有效的方法。关键词:钙钛矿发光;多晶薄膜;葡萄糖;缺陷钝化中图分类号:O482.31;TN312.8文献标识码:ADOI:10.37188/CJL.20220297GreenPolycrystallinePerovskiteFilmswithGlucoseasPassivatorforLight-emittingDiodesDONGJianhua1,LULu1,JINXudong1,LUQiqing1,MIAOYanqin1,2*,ZHAOMin1,3(1.KeyLaboratoryofInterfaceScienceandEngineeringinAdvancedMaterials,MinistryofEducation,TaiyuanUniversityofTechnology,Taiyuan030024,China;2.Shanxi-ZhedaInstituteofAdvancedMaterialsandChemicalEngineering,Taiyuan030024,China;3.XingxianEconomicDevelopmentZoneAluminumMagnesiumNewMaterialResearchandDevelopmentCompanyLimited,Xingxian033600,China)*CorrespondingAuthor,E-mail:miaoyanqin@tyut.edu.cnAbstract:Metal-halideperovskitelight-emittingdiodeshavebecomearesearchhotspotinrecentyears,fortheyhavetheadvantagesoftunableemissioncolor,highcolorpurityandexcellentspectralstability.Solutionprocessedpolycrys‐tallinethinfilmperovskitelight-emittingdiodeshavesimpleandlow-costpreparationprocess,butitiseasytoformde‐fectsinthecrystallizationprocess,whichwillaffecttheperformanceofthedevice.Inthiswork,low-costglucoseisusedaspassivationagenttop...