Journal
INORGANIC CHEMISTRY
Volume 61, Issue 23, Pages 8604-8610Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.2c01113
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Funding
- National Major Fundamental Research Program of China [91833306]
- National Key Research and Development Program of China [2017YFB0404501]
- National Natural Science Foundation of China [62074083, 62005131, 61705111]
- Natural Science Fund for Colleges and Universities in Jiangsu Province [20KJA510005]
- Natural Science Founda- tion of Jiangsu Province [BM2012010]
- NUPTSF [NY219158, NY220025]
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A novel environmentally friendly polar solvent method was developed to synthesize CsPbBr3 nanocrystals, with high stability and applications in inkjet printing demonstrated.
Generally, solvents used to synthesize perovskite NCs are toxic, which leads to waste liquid pollution and environmental degradation. Herein, we developed a novel environmentally friendly polar solvent method to synthesize CsPbBr3 nanocrystals (NCs). Over 65% photoluminescence quantum yield (PLQYs) for NCs could be maintained over 45-850 h of storage time, and a maximum was 78% at 750 h. Such amazing stability in polar solvents is dominated by a ripening process, which heals surface defects. Additionally, their solid films also exhibited good moisture stability. Furthermore, CsPbBr3 NCs were applied to inkjet-printing to prepare high-quality patterned films.
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