FigsharePub Date : 2024-04-04DOI: 10.1021/acsami.4c00745.s001
Yuanyuan Sheng (5156153), Ping Chen (89712), Yanpeng Gao (1862740), Yong He (115255), Junchun Li (12914422), Muhammad (9038204), Xiang Xie (317801), Chen Cheng (76970), Jingting Yang (380099), Yajing Chang (1504330), Guoqing Tong (4966054), Yang Jiang (46459)
{"title":"Tuneable EfficientnWhite Emission of Sb<sup>3+</sup>/Mn<sup>2+</sup> Co-Doped Lead-FreenPerovskites for Single-ComponentnWhite Light-Emitting Diodes","authors":"Yuanyuan Sheng (5156153), Ping Chen (89712), Yanpeng Gao (1862740), Yong He (115255), Junchun Li (12914422), Muhammad (9038204), Xiang Xie (317801), Chen Cheng (76970), Jingting Yang (380099), Yajing Chang (1504330), Guoqing Tong (4966054), Yang Jiang (46459)","doi":"10.1021/acsami.4c00745.s001","DOIUrl":"https://doi.org/10.1021/acsami.4c00745.s001","url":null,"abstract":"Inorganic lead-free perovskite nanocrystals (NCs) withnbroadbandnself-trapped exciton (STEs) emission and low toxicity have shown enormousnapplication prospects in the field of display and lighting. However,nwhite light-emitting diodes (WLEDs) based on a single-component materialnwith high photoluminescence quantum yield (PLQY) remain challenging.nHere, we demonstrate a novel codoping strategy by introducing Sb<sup>3+</sup>/Mn<sup>2+</sup> ions to achieve the tuneable dual emissionnin lead-free perovskite Cs<sub>3</sub>InCl<sub>6</sub> NCs. The PLQYnincreases to 59.64% after doping with Sb<sup>3+</sup>. The codopednCs<sub>3</sub>InCl<sub>6</sub> NCs exhibit efficient white light emissionndue to the energy transfer channel from STEs to Mn<sup>2+</sup> ionsnwith PLQY of 51.38%. Density functional theory (DFT) calculationsnhave been used to verify deeply the effects of Sb<sup>3+</sup>/Mn<sup>2+</sup> doping. WLEDs based on Sb<sup>3+</sup>/Mn<sup>2+</sup>-codopednCs<sub>3</sub>InCl<sub>6</sub> NCs are explored with color renderingnindex of 85.5 and color coordinate of (0.398, 0.445), which have beennsuccessfully applied as photodetector lighting sources. This worknprovides a new perspective for designing novel lead-free perovskitesnto achieve single-component WLEDs.","PeriodicalId":521516,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147880719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}