Fourier transformation infrared spectrum studies on the role of fluorine in SnO2:F films

B. Zhang; Y. Tian; J. X. Zhang; W. Cai

doi:10.1063/1.3533801

Fourier transformation infrared spectrum studies on the role of fluorine in SnO₂:F films

B. Zhang^*
, Y. Tian
, J. X. Zhang
, W. Cai

^*Corresponding author for this work

Harbin Institute of Technology
National Institute for Materials Science Tsukuba
Shandong University

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

34 Scopus citations

Abstract

In this letter we employed Fourier transform infrared spectroscopy (FTIR) to study fluorine-doped SnO₂ films deposited by spray pyrolysis. The role of oxygen vacancy and substitution of fluorine for oxygen are demonstrated by FTIR. It is found that at low doping levels, fluorine ions prefer to occupy oxygen positions in SnO₂ lattice. While beyond a certain doping level, fluorine ions start to occupy interstitial positions, which has a negative effect on carrier concentration that, in turn, affects the infrared reflectivity of SnO₂ films. FTIR also shows the increase of the disorder of SnO₂ films with increasing fluorine doping.

Original language	English
Article number	021906
Journal	Applied Physics Letters
Volume	98
Issue number	2
DOIs	https://doi.org/10.1063/1.3533801
State	Published - 10 Jan 2011
Externally published	Yes

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title = "Fourier transformation infrared spectrum studies on the role of fluorine in SnO2:F films",

abstract = "In this letter we employed Fourier transform infrared spectroscopy (FTIR) to study fluorine-doped SnO2 films deposited by spray pyrolysis. The role of oxygen vacancy and substitution of fluorine for oxygen are demonstrated by FTIR. It is found that at low doping levels, fluorine ions prefer to occupy oxygen positions in SnO2 lattice. While beyond a certain doping level, fluorine ions start to occupy interstitial positions, which has a negative effect on carrier concentration that, in turn, affects the infrared reflectivity of SnO2 films. FTIR also shows the increase of the disorder of SnO2 films with increasing fluorine doping.",

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AU - Zhang, B.

AU - Tian, Y.

AU - Zhang, J. X.

AU - Cai, W.

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Y1 - 2011/1/10

N2 - In this letter we employed Fourier transform infrared spectroscopy (FTIR) to study fluorine-doped SnO2 films deposited by spray pyrolysis. The role of oxygen vacancy and substitution of fluorine for oxygen are demonstrated by FTIR. It is found that at low doping levels, fluorine ions prefer to occupy oxygen positions in SnO2 lattice. While beyond a certain doping level, fluorine ions start to occupy interstitial positions, which has a negative effect on carrier concentration that, in turn, affects the infrared reflectivity of SnO2 films. FTIR also shows the increase of the disorder of SnO2 films with increasing fluorine doping.

AB - In this letter we employed Fourier transform infrared spectroscopy (FTIR) to study fluorine-doped SnO2 films deposited by spray pyrolysis. The role of oxygen vacancy and substitution of fluorine for oxygen are demonstrated by FTIR. It is found that at low doping levels, fluorine ions prefer to occupy oxygen positions in SnO2 lattice. While beyond a certain doping level, fluorine ions start to occupy interstitial positions, which has a negative effect on carrier concentration that, in turn, affects the infrared reflectivity of SnO2 films. FTIR also shows the increase of the disorder of SnO2 films with increasing fluorine doping.

UR - https://www.scopus.com/pages/publications/78751562011

U2 - 10.1063/1.3533801

DO - 10.1063/1.3533801

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SN - 0003-6951

VL - 98

JO - Applied Physics Letters

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M1 - 021906

ER -

Fourier transformation infrared spectrum studies on the role of fluorine in SnO₂:F films

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