Controlling work function of reduced graphite oxide with Au-ion concentration

被引：104

作者：

Benayad, Anass ^{[1
,2
]}

Shin, Hyeon-Jin ^{[1
,2
,3
,4
]}

Park, Hyeon Ki ^{[3
,4
]}

Yoon, Seon-Mi ^{[1
,2
]}

Kim, Ki Kang ^{[3
,4
]}

Jin, Mei Hua ^{[3
,4
]}

Jeong, Hae-Kyung ^{[3
,4
]}

Lee, Jae Cheol ^{[1
,2
]}

Choi, Jae-Young ^{[1
,2
]}

Lee, Young Hee ^{[3
,4
]}

机构：

[1] Samsung Adv Inst Technol, Analyt Engn Grp, Suwon 440600, South Korea

[2] Samsung Adv Inst Technol, Display Lab, Suwon 440600, South Korea

[3] Sungkyunkwan Univ, Sungkyunkwan Adv Inst Nanotechnol, BK21 Phys Div, Suwon 440746, South Korea

[4] Sungkyunkwan Univ, Sungkyunkwan Adv Inst Nanotechnol, Ctr Nanotubes & Nanostruct Composites, Suwon 440746, South Korea

来源：

CHEMICAL PHYSICS LETTERS | 2009年 / 475卷 / 1-3期

关键词：

CARBON NANOTUBE FILMS; GRAPHENE OXIDE; TRANSPARENT; REDUCTION; ROUTE;

D O I：

10.1016/j.cplett.2009.05.023

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：

We have investigated the effect of Au-ion treatment on the work function and the electronic structure change of reduced graphite oxides (RGOs). Au-ions were reduced spontaneously by extracting electrons (i) from sp(2) carbons of RGO at low concentration and (ii) from some oxygen-related functional groups at high concentration. This implies that the work function was modulated by the amount of charges transferred to Au-ions. The sheet resistance of the RGO film was improved with Au-ion treatment. This was explained in terms of electron donation to Au-ions that eventually led to a p-type doping in RGO film. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：91 / 95

页数：5

共 29 条

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