In recent years, smart light-emitting-type electronic devices for wearable applications have been required to have flexibility and miniaturization, which limits the use of conventional bulk batteries. Therefore, it is important to develop a self-powered light-emitting system. Our study demonstrates the potential of a new self-powered luminescent textile system that emits light driven by random motions. The device is a ZnS:Cu-based textile motion-driven electroluminescent device (TDEL) fabricated onto the woven fibers of a ZnS:Cu-embedded PDMS (polydimethylsiloxane) composite. Triboelectrification, which raises a discontinuous electric field, is generated by the contact separation movement of the friction material. Therefore, light can be generated via triboelectrification by the mechanical deformation of the ZnS:Cu-embedded PDMS composite. This study showed that the TDEL emitted light from the internal triboelectric field during contact and from the external triboelectric field during separation. Light was then emitted twice in a cycle, suggesting that continuous light can be emitted by various movements, which is a key step in developing self-powered systems for wearable applications. Therefore, this technology is a textile motion-driven electroluminescence system based on composite fibers (ZnS:Cu + PDMS) and PTFE fibers, and the proposed self-emitting textile system can be easily fabricated and applied to smart clothes.
|Number of pages||8|
|Journal||ACS Applied Materials and Interfaces|
|Publication status||Published - 2019 Feb 6|
Bibliographical noteFunding Information:
This work was financially supported by the Center for Advanced Soft-Electronics as the Global Frontier Project (2013M3A6A5073177) and (2017R1A2B4010642) through the National Research Foundation (NRF) of Korea Grant funded by the Ministry of Science and ICT, and by the “Human Resources Program in Energy Technology (no. 20174030201800)” of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea).
© 2019 American Chemical Society.
All Science Journal Classification (ASJC) codes
- Materials Science(all)