Experimental and theoretical study of electronic structure of disordered MWCNTs

被引：31

作者：

Bobenko, N. G. ^{[1
]}

Bolotov, V. V. ^{[2
]}

Egorushkin, V. E. ^{[1
]}

Korusenko, P. M. ^{[2
,3
]}

Melnikova, N. V. ^{[4
]}

Nesov, S. N. ^{[2
]}

Ponomarev, A. N. ^{[1
]}

Povoroznyuk, S. N. ^{[2
,5
]}

机构：

[1] RAS, SB, Inst Strength Phys & Mat Sci, 2-4 Akad Sky Ave, Tomsk 634021, Russia

[2] RAS, SB, Omsk Sci Ctr, 15 Karl Marx Ave, Omsk 644024, Russia

[3] St Petersburg State Univ, 7-9 Univ Skaya Emb, St Petersburg 198504, Russia

[4] Natl Res Tomsk State Univ, VD Kuznetsov Siberian Phys Tech Inst, 1 Novosobornaja Sq, Tomsk 634050, Russia

[5] Omsk State Tech Univ, 11 Mira Ave, Omsk 644050, Russia

来源：

CARBON | 2019年 / 153卷

基金：

俄罗斯基础研究基金会;

关键词：

X-RAY-ABSORPTION; MULTIWALLED CARBON NANOTUBES; GRAPHENE OXIDE; HEAT-CAPACITY; ARGON IONS; NITROGEN; THERMOPOWER; IRRADIATION; REACTIVITY; MOLECULES;

D O I：

10.1016/j.carbon.2019.06.104

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：

Experimental study of electronic structure of the initial multi-walled carbon nanotubes (MWCNTs) as well as the exposed to annealing and irradiation N-MWCNTs, was carried out by XPS and NEXAFS methods. Based on the obtained photoelectron valence band spectra and C K-edge absorption spectra, a theoretical description of the density of electronic states (DOS) near the Fermi level was proposed to explain the dependence of the DOS and the band gap on temperature, concentration of doping atoms and various atomic configurations formed in a system during synthesis, subsequent ion-beam and heat treatment of MWCNTs. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页码：40 / 51

页数：12

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