[논문]Enhanced Triboelectric Nanogenerators Based on MoS2 Monolayer Nanocomposites Acting as Electron-Acceptor Layers

Wu, Chaoxing; Kim, Tae Whan; Park, Jae Hyeon; An, Haoqun; Shao, Jiajia; Chen, Xiangyu; Wang, Zhong Lin

doi:10.1021/acsnano.7b03657

Enhanced Triboelectric Nanogenerators Based on MoS2 Monolayer Nanocomposites Acting as Electron-Acceptor Layers

ACS nano, v.11 no.8, 2017년, pp.8356 - 8363

Wu, Chaoxing (Department of Electronic and Computer Engineering, Hanyang University, Seoul 04763,) , Kim, Tae Whan (Department of Electronic and Computer Engineering, Hanyang University, Seoul 04763,) , Park, Jae Hyeon (Department of Electronic and Computer Engineering, Hanyang University, Seoul 04763,) , An, Haoqun (Department of Electronic and Computer Engineering, Hanyang University, Seoul 04763,) , Shao, Jiajia (Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Science, and National Center for Nanoscience and Technology (NCNST), Beijing 100083,) , Chen, Xiangyu (Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Science, and National Center for Nanoscience and Technology (NCNST), Beijing 100083,) , Wang, Zhong Lin (Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Science, and National Center for Nanoscience and Technology (NCNST), Beijing 100083,)

Abstract ▼ AI-Helper

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 (MoS2) 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 MoS2 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 MoS2. The mechanisms behind the performance enhancement, which are related to the highly efficient capture of triboelectric electrons in monolayer MoS2, are discussed in detail. This study indicates that monolayer MoS2 can be used as a functional material for efficient energy harvesting.

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Enhanced Triboelectric Nanogenerators Based on MoS2 Monolayer Nanocomposites Acting as Electron-Acceptor Layers

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Enhanced Triboelectric Nanogenerators Based on MoS2 Monolayer Nanocomposites Acting as Electron-Acceptor Layers

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