Optoelectronic studies of boron nitride nanotubes and hexagonal boron nitride crystals by photoconductivity and photoluminescence spectroscopy experiments

被引：9

作者：

Brasse, Gurvan ^{[1
]}

Maine, Sylvain ^{[1
]}

Pierret, Aurelie ^{[1
,2
,3
]}

Jaffrennou, Perine ^{[1
]}

Attal-Tretout, Brigitte ^{[4
]}

Ducastelle, Francois ^{[1
]}

Loiseau, Annick ^{[1
]}

机构：

[1] Off Natl Etud & Rech Aerosp, CNRS, Lab Etude Microstruct, UMR 104, F-92322 Chatillon, France

[2] Univ Grenoble 1, CEA, CNRS Grp Nanophys & Semicond, Inst Neel,CNRS, F-38054 Grenoble, France

[3] CEA, INAC, SP2M, F-38054 Grenoble, France

[4] Off Natl Etud & Rech Aerosp, Dept Mesures Phys, F-91761 Palaiseau, France

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2010年 / 247卷 / 11-12期

关键词：

boron nitride; nanotubes; photoconductivity; photoluminescence excitation;

D O I：

10.1002/pssb.201000360

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The optoelectronic properties of hexagonal boron-nitride and boron-nitride nanotubes (BNNTs) are investigated by using photoconductivity experiments, associated to photoluminescence excitation analysis. By this way, excitations related to the conduction band of hexagonal boron-nitride have been experimentally determined, as well as the free excitonic level. Multiwalled boron-nitride nanotubes have also been lead by using these methods and the first results suggest some hypotheses about the band gap energy and the nature of the various absorptions, which occur under an UV excitation. These experimental results are presented and discussed and some perspectives are finally suggested. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：3076 / 3079

页数：4

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