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This letter, for the first time, reports a high-density silicon-nanowire (SiNW)-based thermoelectric generator (TEG) prepared by a top-down CMOS-compatible technique. The 5 mm × 5 mm TEG comprises of densely packed alternating n- and p-type SiNW bundles with each wire having a diameter of 80 nm and a height of 1 μm. Each bundle serving as an individual thermoelectric element, having 540 × 540 wires,...
Thermoelectric units have been promising candidates at micro processor cooling and even at power generation at a micro-watt level. In fact thermoelectric energy converters can directly convert even low-grade heat gradients to electricity. However it has been a challenging task to scale down conventional thermoelectric materials as most of them are not CMOS compatible. Recent works on Silicon Nanowire...
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