Cited by 275Advanced Sensor and Energy Harvesting MaterialsInnovative Energy Harvesting TechnologiesTribology and Wear Analysis

Enhanced Triboelectric Nanogenerators Based on MoS 2 Monolayer Nanocomposites Acting as Electron-Acceptor Layers

Wu, Chaoxing, Kim, Tae Whan, Park, Jae Hyeon, An, Haoqun, Shao, Jiajia, Chen, Xiangyu, Wang, Zhong Lin·2017·ACS Nano

Abstract

As one of their major goals, researchers attempting to harvest mechanical energy efficiently have continuously sought ways to integrate mature technologies with cutting-edge designs to enhance the performances of triboelectric nanogenerators (TENGs). In this research, we introduced monolayer molybdenum-disulfide (MoS 2 ) into the friction layer of a TENG as the triboelectric electron-acceptor layer in an attempt to dramatically enhance its output performance. As a proof of the concept, we fabricated a vertical contact-separation mode TENG containing monolayer MoS 2 as an electron-acceptor layer and found that the TENG exhibited a peak power density as large as 25.7 W/m 2, which is 120 times larger than that of the device without monolayer MoS 2 . The mechanisms behind the performance enhancement, which are related to the highly efficient capture of triboelectric electrons in monolayer MoS 2, are discussed in detail. This study indicates that monolayer MoS 2 can be used as a functional material for efficient energy harvesting.

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Crossref · 10.1021/acsnano.7b03657

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35 of 35 references verified0 citation errors · 0 not checkable

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Authors
Wu, C., Kim, T. W., Park, J. H., An, H., Shao, J., Chen, X., & Wang, Z. L.
Affiliations
  • Hanyang University (KR)
  • Chinese Academy of Sciences (CN)
  • Georgia Institute of Technology (US)
Corresponding author
  • Kim, Tae Whan
  • Wang, Zhong Lin
Venue
ACS Nano
Published
2017-07-28
Volume
11
Issue
8
Pages
8356-8363
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2739397701
Cited by
275
References
34
Citations by year
2026: 17 · 2025: 24 · 2024: 48 · 2023: 45 · 2022: 37 · 2021: 34 · 2020: 28 · 2019: 25 · 2018: 16 · 2017: 1
FWCI
8.62
Type
journal article
Language
en
Open access
closed
Locations
  • ACS Nano (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Research Foundation of Korea (2015H1D3A1062276, 2016R1A2A1A05005502)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Mechanical Engineering › Innovative Energy Harvesting Technologies
  • Physical Sciences › Engineering › Mechanics of Materials › Tribology and Wear Analysis
Keywords
triboelectric nanogenerator, MoS2, monolayer MoS2, mechanical energy harvesting, power density enhancement, nanocomposites

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