Superacid Treatment on Transition Metal Dichalcogenides

被引：8
|
作者：
Kiriya, Daisuke [1 ]
Lien, Der-Hsien [2 ]
机构：
[1] Univ Tokyo, Sch Arts & Sci, Dept Basic Sci, Komaba Meguro ku, Tokyo, Japan
[2] Natl Yang Ming Chiao Tung Univ, Inst Elect, Dept Elect Engn, Hsinchu, Taiwan
来源：
NANO EXPRESS | 2022年 / 3卷 / 03期
关键词：
transition metal dichalcogenides (TMDCs); superacid; photoluminescence; molecular chemistry; electroluminescence; MONOLAYER MOS2; TRANSPORT-PROPERTIES; FINE-STRUCTURE; PHOTOLUMINESCENCE; WS2; RECOMBINATION; DYNAMICS; LIGHT; ANNIHILATION; ENHANCEMENT;
D O I：
10.1088/2632-959X/ac87c2
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Superacids are strong acids with an acidity higher than pure sulfuric acid. Recently, superacid treatment of monolayer transition metal dichalcogenide (TMDC) flakes, such as MoS2 and WS2, has shown a dramatic enhancement of optical properties, such as photoluminescence (PL) intensity. The superacid molecule is bis(trifluoromethane)sulfonimide (TFSI). In this review paper, we summarize and discuss the recent works and the current understanding of the TFSI treatment, and finally, we describe the outlook of the treatment on monolayer TMDCs.
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页数：12
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