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Thermoelectric silicon nanowire, artwork
Thermoelectric silicon nanowire. Computer artwork showing a silicon nanowire (centre) bridging two heating pads (top and bottom). One heating pad serves as the heat source and the other as the sensor. The silicon nanowire is able to convert temperature gradients (between the two pads) into voltages and vice versa. Silicon is cheaper and easier to produce than thermoelectric devices made from other compounds. They could be used in applications such as fuel cells, human body-heat powered clothing and for heat energy conversion in fossil fuel plants. This research was done by chemist Peidong Yang and his team at the University of California, Berkeley, USA.
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