College of Materials Science and Engineering, Guilin University of Technology, Key Laboratory of New Processing Technology for Nonferrous Metals and Materials of Ministry of Education, Guilin 541004
Abstract: As a p-type semiconductor nanocrystal, copper sulfide quantum dots have attracted much attention in the field of photocatalysis, biotechnology and photovoltaic materials for their strong localized surface plasmon resonance (LSPR) effect, low to-xicity and unique optical and electrical properties. The complicated processes and low efficiency for preparation of monodisperse copper sulfide quantum dots, and the low conductivity of pure copper sulfide quantum dots greatly limit their applications in energy sto-rage devices. In addition, because of their complex band structure and unique p-type semiconductor properties, to controll the optical properties of copper sulfide quantum dots is still a challenge. In this paper, the research status and progress about the preparation of copper sulfide quantum dots are reviewed, the band and crystal structure of copper sulfide quantum dots and their application in the field of quantum dot sensitized solar cells, photocatalytic degradation pollutants, diagnosis and treatment tumor cells, and etc are introduced. And some suggestions about the further research and applications of the copper sulfide quantum dots or Cu department quantum dots are put forward.
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2018, Vol. 32 
