Photoluminescence of boron nitride nanosheets exfoliated by ball milling

被引：104

作者：

Li, Lu Hua ^{[1
]}

Chen, Ying ^{[1
]}

Cheng, Bing-Ming ^{[2
]}

Lin, Meng-Yeh ^{[2
]}

Chou, Sheng-Long ^{[2
]}

Peng, Yu-Chain ^{[2
]}

机构：

[1] Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia

[2] Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 26期

基金：

澳大利亚研究理事会;

关键词：

GRAPHENE; EMISSION;

D O I：

10.1063/1.4731203

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The photoluminescence of boron nitride (BN) nanosheets exfoliated by ball milling method has been investigated. At room temperature, the nanosheets have strong deep ultraviolet (DUV) light emission at 224 nm and weak defect-related UV (similar to 300 nm) emission. The DUV peak profile slightly changes with the increase of milling time due to the increase of stacking faults caused by the shear force during milling. The decreased similar to 300 nm emission after milling treatments has been attributed to the preferential orientation of the BN nanosheets on substrate and the strong polarization anisotropy of BN materials in luminescence. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4731203]

引用

页数：4

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