期刊
CHEMICAL PHYSICS LETTERS
卷 635, 期 -, 页码 40-44出版社
ELSEVIER
DOI: 10.1016/j.cplett.2015.06.036
关键词
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资金
- Natural Sciences Foundation of China [61306115, 61178039]
- China Postdoctoral Science Foundation [2013M541807]
- Jiangsu Provincial Natural Science Foundation [BK20140405]
- XJTLU Research Development Fund [PGRS-13-01-03]
Enhancing photoluminescence (PL) of single-layer (1L) MOS2 is essential to its application as thinnest and high efficient light-emitting devices in the near future. Here, we report an unusual enhanced PL intensity of charged exciton (trion) using p-type aromatic molecules. Calculation of the quantum yield using exciton dynamics indicates that this enhancement of trion is dominant by weakening the non-radiative combination to intrinsic defects. Our research further extends the previous theory and a better understanding of exciton transition in 1L MoS2 is revealed. (C) 2015 Elsevier B.V. All rights reserved.
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