Tuning photoluminescence of single-layer MoS sub(2) using H sub(2)O sub(2)

Enhancing photoluminescence (PL) of single-layer (1L) MoS sub(2) is critical to its application as the thinnest light-emitting material. In this report, we show that the PL intensity of 1L-MoS sub(2) can be enhanced by 8 times using physisorption of H sub(2)O sub(2) molecules as p-type dopants. By u...

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Bibliographic Details
Published inRSC advances Vol. 5; no. 101; pp. 82924 - 82929
Main Authors Su, Weitao, Dou, Honglei, Li, Jinwei, Huo, Dexuan, Dai, Ning, Yang, Li
Format Journal Article
LanguageEnglish
Published 01.09.2015
Subjects
Dopants
Light emitting
Molybdenum disulfide
Photoluminescence
Toluene
Tuning
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Summary:Enhancing photoluminescence (PL) of single-layer (1L) MoS sub(2) is critical to its application as the thinnest light-emitting material. In this report, we show that the PL intensity of 1L-MoS sub(2) can be enhanced by 8 times using physisorption of H sub(2)O sub(2) molecules as p-type dopants. By using toluene to form the sandwiched structure of H sub(2)O sub(2)/1L-MoS sub(2)/toluene, the PL intensity of 1L-MoS sub(2) can be enhanced up to 27.4 times. Our research proposes a simple but effective method to enhance the light emitting properties of 1L-MoS sub(2).
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ISSN:2046-2069
DOI:10.1039/c5ra12450f