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

来源：

SURFACE SCIENCE | 2007年 / 601卷 / 18期

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.

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页码：3866 / 3870

页数：5

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