Zachary A. VanOrman, Mateo Cárdenes Wuttig, Antti-Pekka M. Reponen, Taek-Seung Kim, Claire E. Casaday, Dongtao Cui, Tejas Deshpande, Huygen J. Jöbsis, Pascal Schouwink, Emad Oveisi, Aurélien Bornet, Christian Reece and Sascha Feldmann*,
{"title":"环境条件下强约束卤化物钙钛矿纳米晶的金属掺杂","authors":"Zachary A. VanOrman, Mateo Cárdenes Wuttig, Antti-Pekka M. Reponen, Taek-Seung Kim, Claire E. Casaday, Dongtao Cui, Tejas Deshpande, Huygen J. Jöbsis, Pascal Schouwink, Emad Oveisi, Aurélien Bornet, Christian Reece and Sascha Feldmann*, ","doi":"10.1021/jacs.5c0362910.1021/jacs.5c03629","DOIUrl":null,"url":null,"abstract":"<p >Halide perovskite nanocrystals are promising materials for optoelectronic applications. Metal doping provides an avenue to boost their performance further, e.g., by enhancing light emission, or to provide additional functionalities, such as nanoscale magnetism and polarization control. However, the synthesis of widely size-tunable nanocrystals with controlled doping levels has been inaccessible using traditional hot injection synthesis, preventing systematic studies on dopant effects toward device applications. Here, we report a versatile synthesis method for metal-doped perovskite nanocrystals with precise control over size and doping concentration under ambient conditions. Our room temperature approach results in fully size-tunable isovalent doping of CsPbX<sub>3</sub> nanocrystals (X = Cl, Br, I) with various transition metals M<sup>2+</sup> tested (M = Mn, Ni, Zn). This gives for the first time access to small, yet precisely doped quantum dots beyond the weak confinement regime reported so far. It also enables a comparative study of the photophysics across multiple size and dopant regimes, where we show dopant-induced localization to dominate over quantum confinement effects. This generalizable, facile synthesis method thus provides a toolbox for engineering perovskite nanocrystals toward light-emitting technologies under industrially relevant conditions.</p>","PeriodicalId":49,"journal":{"name":"Journal of the American Chemical Society","volume":"147 19","pages":"16536–16544 16536–16544"},"PeriodicalIF":15.6000,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/jacs.5c03629","citationCount":"0","resultStr":"{\"title\":\"Metal Doping of Strongly Confined Halide Perovskite Nanocrystals under Ambient Conditions\",\"authors\":\"Zachary A. VanOrman, Mateo Cárdenes Wuttig, Antti-Pekka M. Reponen, Taek-Seung Kim, Claire E. Casaday, Dongtao Cui, Tejas Deshpande, Huygen J. Jöbsis, Pascal Schouwink, Emad Oveisi, Aurélien Bornet, Christian Reece and Sascha Feldmann*, \",\"doi\":\"10.1021/jacs.5c0362910.1021/jacs.5c03629\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Halide perovskite nanocrystals are promising materials for optoelectronic applications. Metal doping provides an avenue to boost their performance further, e.g., by enhancing light emission, or to provide additional functionalities, such as nanoscale magnetism and polarization control. However, the synthesis of widely size-tunable nanocrystals with controlled doping levels has been inaccessible using traditional hot injection synthesis, preventing systematic studies on dopant effects toward device applications. Here, we report a versatile synthesis method for metal-doped perovskite nanocrystals with precise control over size and doping concentration under ambient conditions. Our room temperature approach results in fully size-tunable isovalent doping of CsPbX<sub>3</sub> nanocrystals (X = Cl, Br, I) with various transition metals M<sup>2+</sup> tested (M = Mn, Ni, Zn). This gives for the first time access to small, yet precisely doped quantum dots beyond the weak confinement regime reported so far. It also enables a comparative study of the photophysics across multiple size and dopant regimes, where we show dopant-induced localization to dominate over quantum confinement effects. This generalizable, facile synthesis method thus provides a toolbox for engineering perovskite nanocrystals toward light-emitting technologies under industrially relevant conditions.</p>\",\"PeriodicalId\":49,\"journal\":{\"name\":\"Journal of the American Chemical Society\",\"volume\":\"147 19\",\"pages\":\"16536–16544 16536–16544\"},\"PeriodicalIF\":15.6000,\"publicationDate\":\"2025-05-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://pubs.acs.org/doi/epdf/10.1021/jacs.5c03629\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the American Chemical Society\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/jacs.5c03629\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Chemical Society","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/jacs.5c03629","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Metal Doping of Strongly Confined Halide Perovskite Nanocrystals under Ambient Conditions
Halide perovskite nanocrystals are promising materials for optoelectronic applications. Metal doping provides an avenue to boost their performance further, e.g., by enhancing light emission, or to provide additional functionalities, such as nanoscale magnetism and polarization control. However, the synthesis of widely size-tunable nanocrystals with controlled doping levels has been inaccessible using traditional hot injection synthesis, preventing systematic studies on dopant effects toward device applications. Here, we report a versatile synthesis method for metal-doped perovskite nanocrystals with precise control over size and doping concentration under ambient conditions. Our room temperature approach results in fully size-tunable isovalent doping of CsPbX3 nanocrystals (X = Cl, Br, I) with various transition metals M2+ tested (M = Mn, Ni, Zn). This gives for the first time access to small, yet precisely doped quantum dots beyond the weak confinement regime reported so far. It also enables a comparative study of the photophysics across multiple size and dopant regimes, where we show dopant-induced localization to dominate over quantum confinement effects. This generalizable, facile synthesis method thus provides a toolbox for engineering perovskite nanocrystals toward light-emitting technologies under industrially relevant conditions.
期刊介绍:
The flagship journal of the American Chemical Society, known as the Journal of the American Chemical Society (JACS), has been a prestigious publication since its establishment in 1879. It holds a preeminent position in the field of chemistry and related interdisciplinary sciences. JACS is committed to disseminating cutting-edge research papers, covering a wide range of topics, and encompasses approximately 19,000 pages of Articles, Communications, and Perspectives annually. With a weekly publication frequency, JACS plays a vital role in advancing the field of chemistry by providing essential research.