The particle size-dependent pbotoluminescence of nanodiamonds

被引:102
作者
Chung, P.-H.
Perevedentseva, E.
Cheng, C.-L.
机构
[1] Natl Dong Hwa Univ, Dept Phys, Shoufeng 97401, Hualien, Taiwan
[2] PN Lebedev Phys Inst, Moscow 119999, Russia
关键词
photoluminescence; nanodiamond; size-dependent photoluminescence;
D O I
10.1016/j.susc.2007.04.150
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The intrinsic defects- and impurities-originated photoluminescence from nanodiamond particles of various sizes (5-500 nm) were observed. Luminescence spanning from 500 nm to 800 nm can be excited with 488 nm and 532 nm wavelengths lasers without any high-energy treatment to create the defects/impurities. The luminescence is found to be particle-size and laser-wavelength dependent, suggesting different kinds of defects/impurities predominantly sustain the luminescence from nanodiamonds of different sizes. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:3866 / 3870
页数:5
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