Abstract
The self-powered system is a promising concept for wireless networks due to its independent and sustainable operations without an external power source. To realize this idea, the triboelectric nanogenerator (TENG) was recently invented, which can effectively convert ambient mechanical energy into electricity to power up portable electronics. In this work, a self-powered smart window system was realized through integrating an electrochromic device (ECD) with a transparent TENG driven by blowing wind and raindrops. Driven by the sustainable output of the TENG, the optical properties, especially the transmittance of the ECD, display reversible variations due to electrochemical redox reactions. The maximum transmittance change at 695 nm can be reached up to 32.4%, which is comparable to that operated by a conventional electrochemical potentiostat (32.6%). This research is a substantial advancement toward the practical application of nanogenerators and self-powered systems.
| Original language | English |
|---|---|
| Pages (from-to) | 4757-4765 |
| Number of pages | 9 |
| Journal | ACS Nano |
| Volume | 9 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - May 26 2015 |
| Externally published | Yes |
Keywords
- electrochromic devices
- energy harvesting
- self-powered systems
- smart windows
- triboelectric nanogenerators
ASJC Scopus subject areas
- General Materials Science
- General Engineering
- General Physics and Astronomy