COMPOSITE POWDER, HYBRID MATERIAL THEREOF, AND COMPOSITE THIN FILM THEREOF
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United States of America Patent
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app pub date -
Mar 10, 2016
filing date -
Dec 7, 2015
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Abstract
Provided is a composite powder used for the visible light catalytic and anti-bacterial purposes. The composite powder includes a plurality of N-type semiconductor particles and a plurality of P-type semiconductor nano-particles. The P-type semiconductor nano-particles cover surfaces of the N-type semiconductor particles respectively. A weight ratio of the N-type semiconductor particles and the P-type semiconductor nano-particles is in a range of 1:0.1 to 1:0.5. A PN junction is provided between each of the N-type semiconductor particles and the corresponding P-type semiconductor nano-particles.
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