Journal
SCIENCE BULLETIN
Volume 63, Issue 12, Pages 795-801Publisher
SCIENCE PRESS
DOI: 10.1016/j.scib.2018.05.019
Keywords
Infrared electrochromical device; Triboelectric nanogenerator; Self-powered; Flexible; Thermal control
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Funding
- Thousands Talents Program for Pioneer Researcher and his Innovation Team
- National Key Research and Development Program from Ministry of Science and Technology of China [2016YFA0202703]
- National Natural Science Foundation of China [51432005]
- Hubei Technology Innovation Major Project [2016AAA030]
- Petro China Innovation Foundation [2015D-5006-0211]
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Triboelectric nanogenerator (TENG) is an efficient way to convert ambient mechanical energy into electricity to power up portable electronics. In this work, a flexible infrared electrochromical device (IR-ECD) with stable performances was assembled with a TENG for building self-powered infrared detector with tunable intensity. As driven by TENG, the electrochromic device could be operated in the mid-IR region due to the reversible electrochromic reactions. An average infrared reflectance contrast of 46% was achieved in 8-14 mu m regions and as well a clear thermal image change can be observed. This work indicates that the TENG-driven infrared electrochromical device has potential for use in self-powered camouflage and thermal control. (C) 2018 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved.
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