期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 32, 页码 4021-4024出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc01466c
关键词
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资金
- National Natural Science Foundation of China [51502130]
- Natural Science Foundation of Jiangsu Province [SBK2015043303]
- Thousand Talents Program for Young Researchers
- Shuangchuang Program of Jiangsu Province
- Nanjing University
This communication describes a facile hot-injection method for the synthesis of novel micrometer-size formamidinium lead bromide perovskite (FAPbBr3) nanosheets of monolayer thickness (around 2.4 nm). Due to the strong quantum confinement effect, the as-synthesized large-sized perovskite nanosheets displayed an unprecedented extremely blue-shifted first sharp excitonic absorption peak at 435 nm and an emission peak at 437 nm, as compared to that of bulk FAPbBr3 crystals at 551 nm.
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