Journal
ACS NANO
Volume 7, Issue 3, Pages 2808-2813Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn400361p
Keywords
hybrid energy cell; triboelectric nanogenerator; solar cells; rhodamine B; self-powered; electrodegradation
Categories
Funding
- Airforce, MURI
- U.S. Department of Energy
- Office of Basic Energy Sciences [DE-FG02-07ER46394]
- NSF
- Chinese Academy of Sciences [KJCX2-YW-M13]
- U.S. Department of Energy (DOE) [DE-FG02-07ER46394] Funding Source: U.S. Department of Energy (DOE)
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Silicon (Si)-based solar cell Is by far the most established solar cell technology. The surface of a SI solar cell is usually covered by a layer of transparent material to protect the device from corrosion, contamination and mechanical damage. Here, we replaced this protection layer by a thin layer film of polydimethysiloxane nanowires. Based on this layer and using the conductive layer on the surface of the wavy Si, we have fabricated a triboelectric nanogenerator (TENG). The solar cell and the TENG form a hybrid energy cell for simultaneously harvesting solar and mechanical energies. The hybrid energy cell can be directly used for self-powered electrodegradation of rhodamine 13, where the degradation percentage is up to 98% in 10 min. Moreover, the produced energy can also be stored in the Li-ion batteries for driving some personal electronics such as a red laser diode and a commercial cell phone.
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