Effects of (NH 4 ) 2 S x treatment on surface work function and roughness of indium-tin-oxide

Yow-Jon Lin, Chang Feng You, Chia Lung Tsai

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, the effects of an (NH 4 ) 2 S x treatment on the surface work function (SWF) and roughness of indium-tin-oxide (ITO) have been investigated. From the observed X-ray photoelectron spectroscopy results, optical transmittance measurements, atomic force microscopy measurements and four-point probe measurements, it is suggested that the surface chemical changes and an increase in the sheet resistance had strong effects on the SWF of ITO. We find that the S occupation of oxygen vacancies near the ITO surface after (NH 4 ) 2 S x treatment may result in a marked increase in the SWF and a slight increase in the surface roughness.

Original languageEnglish
Pages (from-to)3957-3961
Number of pages5
JournalApplied Surface Science
Volume253
Issue number8
DOIs
Publication statusPublished - 2007 Feb 15

Fingerprint

Tin oxides
Indium
Surface roughness
Sheet resistance
Opacity
Oxygen vacancies
Atomic force microscopy
X ray photoelectron spectroscopy
indium tin oxide

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films

Cite this

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abstract = "In this study, the effects of an (NH 4 ) 2 S x treatment on the surface work function (SWF) and roughness of indium-tin-oxide (ITO) have been investigated. From the observed X-ray photoelectron spectroscopy results, optical transmittance measurements, atomic force microscopy measurements and four-point probe measurements, it is suggested that the surface chemical changes and an increase in the sheet resistance had strong effects on the SWF of ITO. We find that the S occupation of oxygen vacancies near the ITO surface after (NH 4 ) 2 S x treatment may result in a marked increase in the SWF and a slight increase in the surface roughness.",
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Effects of (NH 4 ) 2 S x treatment on surface work function and roughness of indium-tin-oxide . / Lin, Yow-Jon; You, Chang Feng; Tsai, Chia Lung.

In: Applied Surface Science, Vol. 253, No. 8, 15.02.2007, p. 3957-3961.

Research output: Contribution to journalArticle

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