Simple Fabrication of Photodetectors Based on MoS2 Nanoflakes and Ag Nanoparticles

被引：1

作者：

Xiao, Peng ^{[1
]}

Kim, Ju-Hyung ^{[2
,3
]}

Seo, Soonmin ^{[1
]}

机构：

[1] Gachon Univ, Coll BioNano Technol, Seongnam 13120, South Korea

[2] Ajou Univ, Dept Chem Engn, Suwon 16499, South Korea

[3] Ajou Univ, Dept Energy Syst Res, Suwon 16499, South Korea

来源：

SENSORS | 2022年 / 22卷 / 13期

基金：

新加坡国家研究基金会;

关键词：

transition-metal dichalcogenides (TMDs); MoS2; nanoflakes; photodetectors; visible light sensor; LIQUID-EXFOLIATION; LAYER MOS2; LARGE-AREA; LIGHT; GROWTH; NANOSHEETS;

D O I：

10.3390/s22134695

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Low-dimensional transition-metal dichalcogenides (TMDs) have recently emerged as promising materials for electronics and optoelectronics. In particular, photodetectors based on mono- and multilayered molybdenum disulfide (MoS2) have received much attention owing to their outstanding properties, such as high sensitivity and responsivity. In this study, photodetectors based on dispersed MoS2 nanoflakes (NFs) are demonstrated. MoS2 NFs interact with Ag nanoparticles (NPs) via low-temperature annealing, which plays a crucial role in determining device characteristics such as good sensitivity and short response time. The fabricated devices exhibited a rapid response and recovery, good photo-responsivity, and a high on-to-off photocurrent ratio under visible light illumination with an intensity lower than 0.5 mW/cm(2).

引用

页数：12

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