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《Chinese Journal of Luminescence》 2015-01
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Effects of Catalyst on Structures and Photoluminescence Properties of Graphene-like Nanoflakes

DANG Chun;JIA Fu-rong;GAO ben-ling;WANG Bi-ben;College of Mathematics and Physics,Huaiyin Institute of Technology;Department of Electrical Engineering,Jiaozuo Technician Institute;College of Chemistry and Chemical Engineering,Chongqing University of Technology;  
Graphene-like nanoflakes were synthesized on silicon substrates deposited with carbon dots and gold film by hot filament chemical vapor deposition. The structure,composition and photoluminescence(PL) properties of graphene-like nanoflakes were studied using scanning electron microscope,transmission electron microscope,micro-Raman spectroscope,Fourier transform infrared spectroscope,X-ray photoelectron spectroscope and Ramalog system,respectively. The results indicate that the introduction of carbon dots and gold changes the thickness and defects of graphene-like nanoflakes. Furthermore,they lead to the shift of PL bands and the change of PL intensity. According to the characterization results,the reason of PL shift in graphene-like nanoflakes was analyzed.
【Fund】: 国家自然科学基金(60676056)资助项目
【CateGory Index】: TQ127.11
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