Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 6, Issue 11, Pages 3235-3240Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee42311e
Keywords
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Funding
- National Natural Science Foundation of China [91023045, 61176103]
- 863 project [2013AA041102]
- Doctoral Program Fund [20110001110103]
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We present a single-friction-surface triboelectric generator (STEG). The STEG is transparent and flexible, making possible the use of triboelectric generators in an extended range of applications. This device is fabricated in a simple and very low-cost way. When tapped with a finger, the STEG with micro-patterned PDMS surface achieved an open-circuit voltage over 130 V with a short-circuit current density of about 1 mu A cm(-2). A STEG with a flat PET surface is employed as a transparent cover on the screen of a smartphone to generate electric energy from the control motion of the users. The STEG can directly power 3 LEDs when the phone screen is tapped during normal use. In addition, based on the STEG, we have developed a self-powered visualized touch sensor with 4 STEGs serving as the touch pads. The STEG shows promise for applications in systems such as self-powered touch panels and artificial skins.
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