<P>Cesium lead halide (CsPbX<SUB>3</SUB>) nanocrystals have emerged as a new family of materials that can outperform the existing semiconductor nanocrystals due to their superb optical and charge-transport properties. However, the la...
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https://www.riss.kr/link?id=A107456074
2018
-
SCI,SCIE,SCOPUS
학술저널
3716-3722(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Cesium lead halide (CsPbX<SUB>3</SUB>) nanocrystals have emerged as a new family of materials that can outperform the existing semiconductor nanocrystals due to their superb optical and charge-transport properties. However, the la...
<P>Cesium lead halide (CsPbX<SUB>3</SUB>) nanocrystals have emerged as a new family of materials that can outperform the existing semiconductor nanocrystals due to their superb optical and charge-transport properties. However, the lack of a robust method for producing quantum dots with controlled size and high ensemble uniformity has been one of the major obstacles in exploring the useful properties of excitons in zero-dimensional nanostructures of CsPbX<SUB>3</SUB>. Here, we report a new synthesis approach that enables the precise control of the size based on the equilibrium rather than kinetics, producing CsPbX<SUB>3</SUB> quantum dots nearly free of heterogeneous broadening in their exciton luminescence. The high level of size control and ensemble uniformity achieved here will open the door to harnessing the benefits of excitons in CsPbX<SUB>3</SUB> quantum dots for photonic and energy-harvesting applications.</P>
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