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High‐Performance Transparent and Flexible Triboelectric Nanogenerators Based on PDMS‐PTFE Composite Films
Author(s) -
Li GuiZhong,
Wang GuiGen,
Ye DaMing,
Zhang XuWu,
Lin ZhaoQing,
Zhou HaiLing,
Li Fei,
Wang BaoLin,
Han JieCai
Publication year - 2019
Publication title -
advanced electronic materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.25
H-Index - 56
ISSN - 2199-160X
DOI - 10.1002/aelm.201800846
Subject(s) - triboelectric effect , materials science , nanogenerator , transmittance , composite number , optoelectronics , energy harvesting , transfer printing , mechanical energy , layer (electronics) , voltage , composite material , power (physics) , electrical engineering , piezoelectricity , physics , quantum mechanics , engineering
Poly(dimethylsiloxane) (PDMS) is commonly used as the negative friction layer of triboelectric nanogenerator (TENG) which can harvest ubiquitous mechanical energy. However, it is essential to improve the energy output of PDMS‐based TENGs with high visible transmittance for transparent flexible TENG. In this study, a simple, cost‐effective and efficient approach is demonstrated to modify PDMS without degrading high transparency. The novel flexible TENG based on PDMS‐PTFE composite film exhibits high output voltage and large transfer charge quantity of 95 V and 85 nC respectively, which are enhanced more than threefold in the output compared with pristine PDMS‐based TENG. And the TENG device generates average power output of 3.0 W m −2 across the matched optimal load resistance. The enhancement is attributed to PTFE particles dispersed in PDMS matrix, which can increase surface potential and reduce work function. Moreover, the TENG device also remains good transparency and flexibility, which satisfies the demands of transparent and flexible electronic devices. The proposed PDMS/PTFE based TENG shows good application prospects for various power sensors and even wearable energy suppliers.