Growth kinetics and cracking of liquid-phase-deposited anatase films

Bing Ma; Gregory K.L. Goh; Jan Ma; Tim J. White

doi:10.1149/1.2769828

Growth kinetics and cracking of liquid-phase-deposited anatase films

Bing Ma^*, Gregory K.L. Goh, Jan Ma, Tim J. White

^*Corresponding author for this work

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

36 Citations (Scopus)

Abstract

Anatase TiO2 films were deposited on glass slides by liquid phase deposition at temperatures of 50-200°C. All films displayed preferential c -axis orientation, and morphological examinations revealed that the films underwent a transition from continuous nucleation to grain growth. Kinetic analysis by the Hancock and Sharp method revealed that film growth was controlled by a phase boundary process before transitioning to a diffusion-controlled process. This transition was responsible for the change to a more columnar film morphology. It was also observed that the films cracked during drying when the films were above the critical thickness. Nitrogen adsorption-desorption isotherms revealed that the films contained pores of 4 nm and smaller and support a capillary-stress-induced film-cracking mechanism.

Original language	English
Pages (from-to)	D557-D561
Journal	Journal of the Electrochemical Society
Volume	154
Issue number	10
DOIs	https://doi.org/10.1149/1.2769828
Publication status	Published - 2007
Externally published	Yes

ASJC Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1149/1.2769828

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abstract = "Anatase TiO2 films were deposited on glass slides by liquid phase deposition at temperatures of 50-200°C. All films displayed preferential c -axis orientation, and morphological examinations revealed that the films underwent a transition from continuous nucleation to grain growth. Kinetic analysis by the Hancock and Sharp method revealed that film growth was controlled by a phase boundary process before transitioning to a diffusion-controlled process. This transition was responsible for the change to a more columnar film morphology. It was also observed that the films cracked during drying when the films were above the critical thickness. Nitrogen adsorption-desorption isotherms revealed that the films contained pores of 4 nm and smaller and support a capillary-stress-induced film-cracking mechanism.",

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AU - Ma, Bing

AU - Goh, Gregory K.L.

AU - Ma, Jan

AU - White, Tim J.

PY - 2007

Y1 - 2007

N2 - Anatase TiO2 films were deposited on glass slides by liquid phase deposition at temperatures of 50-200°C. All films displayed preferential c -axis orientation, and morphological examinations revealed that the films underwent a transition from continuous nucleation to grain growth. Kinetic analysis by the Hancock and Sharp method revealed that film growth was controlled by a phase boundary process before transitioning to a diffusion-controlled process. This transition was responsible for the change to a more columnar film morphology. It was also observed that the films cracked during drying when the films were above the critical thickness. Nitrogen adsorption-desorption isotherms revealed that the films contained pores of 4 nm and smaller and support a capillary-stress-induced film-cracking mechanism.

AB - Anatase TiO2 films were deposited on glass slides by liquid phase deposition at temperatures of 50-200°C. All films displayed preferential c -axis orientation, and morphological examinations revealed that the films underwent a transition from continuous nucleation to grain growth. Kinetic analysis by the Hancock and Sharp method revealed that film growth was controlled by a phase boundary process before transitioning to a diffusion-controlled process. This transition was responsible for the change to a more columnar film morphology. It was also observed that the films cracked during drying when the films were above the critical thickness. Nitrogen adsorption-desorption isotherms revealed that the films contained pores of 4 nm and smaller and support a capillary-stress-induced film-cracking mechanism.

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DO - 10.1149/1.2769828

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JF - Journal of the Electrochemical Society

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ER -

Growth kinetics and cracking of liquid-phase-deposited anatase films

Abstract

ASJC Scopus Subject Areas

UN SDGs

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