期刊
MATERIALS RESEARCH BULLETIN
卷 45, 期 7, 页码 826-829出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2010.03.009
关键词
Optical materials; Laser deposition; Crystal structure; Luminescence
资金
- National Natural Science Foundation of China [50902126]
- Shanxi Province Science Foundation for Youths [2009021027]
- Research Fund for the Doctoral Program of Higher Education [200800560050]
- Key Laboratory Foundation for Youths of North University of China
- North University of China Science
- Talent Startup Foundation for Youths [20080302]
The size of nanodiamonds formed upon laser irradiation could be easily controlled over simply adjusting laser pulse parameters. The stable size and structure of nanodiamonds were mostly determined by laser power density and pulse width. Both large nanodiamonds with multiply twinning structure (MTS) and small nanodiamonds with single crystalline structure (SCS) emitted strong visible light after surface passivation, and their fluorescence quantum yield (QY) was 4.6% and 7.1%, respectively. (C) 2010 Elsevier Ltd. All rights reserved.
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