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Demonstration of a UV photodetector using p-type and n-type materials without external power, implying potential for autonomous devices.
We demonstrate a relatively independent UV photodetector which is composed of one layer of p-type PANI nanowires and two layers of n-type ZnO nanorods. Different to other UV photoelectronic nanodevices, it doesn't need any external power source except UV light when it works.
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Yang et al. (2012) studied this question.
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