Journal
ACS NANO
Volume 6, Issue 8, Pages 6984-6989Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn302481p
Keywords
ZnO; micro/nanobelts; thermoelectric; nanogenerator; Sb-doped ZnO; temperature sensor
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Funding
- Air Force, U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-07ER46394]
- NSF [CMMI 0403671]
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We demonstrate a thermoelectric nanogenerator (NG) made from a single Sb-doped ZnO micro/nanobelt that generates an output power of about 1.94 nW under a temperature difference of 30K between the two electrodes. A single Sb-doped ZnO microbelt was bonded at its ends on a glass substrate as a NG, which can give an output voltage of 10 mV and an output current of 194 nA. The single Sb-doped ZnO microbelt shows a Seebeck coefficient of about -350 mu V/K and a high power factor of about 3.2 x 10(-4) W/mK(2). The fabricated NG demonstrated its potential to work as a self-powered temperature sensor with a reset time of about 9 s,
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