Work-function engineering of carbon nanotube transparent conductive films

Seong Jun Kang; Yoojin Song; Yeonjin Yi; Won Mook Choi; Seon Mi Yoon; Jae Young Choi

doi:10.1016/j.carbon.2009.09.071

Work-function engineering of carbon nanotube transparent conductive films

Seong Jun Kang, Yoojin Song, Yeonjin Yi, Won Mook Choi, Seon Mi Yoon, Jae Young Choi

Department of Physics

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

We developed a method that allows control of the work function of carbon nanotube (CNT) transparent conductive films on a flexible sheet of plastic. The approach involves the deposition of small amount of metals, such as aluminum, on CNT transparent conductive films followed by a measure of the work function of the films using in situ ultraviolet photoelectron spectroscopy. Core-level spectra of the films were collected in order to investigate the chemical reaction when a small amount of aluminum was deposited on their surface in a stepwise manner. The measurements revealed that deposition of less than 0.5 nm of aluminum was enough to control the work function of CNT transparent conductive films.

Original language	English
Pages (from-to)	520-524
Number of pages	5
Journal	Carbon
Volume	48
Issue number	2
DOIs	https://doi.org/10.1016/j.carbon.2009.09.071
Publication status	Published - 2010 Feb

Bibliographical note

Funding Information:
This work was supported by a research project of the Korea Research Foundation (Grant No. 2009-0070853 ). We thank Dr. J.W. Kim for support with the experiments.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)

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title = "Work-function engineering of carbon nanotube transparent conductive films",

abstract = "We developed a method that allows control of the work function of carbon nanotube (CNT) transparent conductive films on a flexible sheet of plastic. The approach involves the deposition of small amount of metals, such as aluminum, on CNT transparent conductive films followed by a measure of the work function of the films using in situ ultraviolet photoelectron spectroscopy. Core-level spectra of the films were collected in order to investigate the chemical reaction when a small amount of aluminum was deposited on their surface in a stepwise manner. The measurements revealed that deposition of less than 0.5 nm of aluminum was enough to control the work function of CNT transparent conductive films.",

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AU - Kang, Seong Jun

AU - Song, Yoojin

AU - Yi, Yeonjin

AU - Choi, Won Mook

AU - Yoon, Seon Mi

AU - Choi, Jae Young

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