Synthesis of rutile and anatase films with high surface areas in aqueous solutions containing urea

Satoshi Yamabi; Hiroaki Imai

doi:10.1016/S0040-6090(03)00539-X

Synthesis of rutile and anatase films with high surface areas in aqueous solutions containing urea

Satoshi Yamabi, Hiroaki Imai

Department of Applied Chemistry

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

59 Citations (Scopus)

Abstract

Rutile and anatase TiO₂ films were successfully fabricated in TiOSO₄ aqueous solutions containing urea at near room temperature. The molar ratio of urea to Ti (R) in the precursor solutions determined the crystal phase of the TiO₂ films. Rapid precipitation from highly supersaturated solutions was inhibited by complexing Ti⁴⁺ cations with urea, and continuous thin films of rutile and anatase were constructed on substrates. The specific surface area of the films increased from 170 to 360 m²/g with increasing R. The urea affected the specific surface area by selective adsorption on the specific surface of crystallites.

Original language	English
Pages (from-to)	86-93
Number of pages	8
Journal	Thin Solid Films
Volume	434
Issue number	1-2
DOIs	https://doi.org/10.1016/S0040-6090(03)00539-X
Publication status	Published - 2003 Jun 23

Keywords

Coatings
Deposition process
Nanostructures
Titanium oxide

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/S0040-6090(03)00539-X

Cite this

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title = "Synthesis of rutile and anatase films with high surface areas in aqueous solutions containing urea",

abstract = "Rutile and anatase TiO2 films were successfully fabricated in TiOSO4 aqueous solutions containing urea at near room temperature. The molar ratio of urea to Ti (R) in the precursor solutions determined the crystal phase of the TiO2 films. Rapid precipitation from highly supersaturated solutions was inhibited by complexing Ti4+ cations with urea, and continuous thin films of rutile and anatase were constructed on substrates. The specific surface area of the films increased from 170 to 360 m2/g with increasing R. The urea affected the specific surface area by selective adsorption on the specific surface of crystallites.",

keywords = "Coatings, Deposition process, Nanostructures, Titanium oxide",

author = "Satoshi Yamabi and Hiroaki Imai",

note = "Funding Information: This work was supported by Grant-in-Aid for Scientific Research (No. 13650742) and 21st Century COE program {\textquoteleft}KEIO Life Conjugate Chemistry{\textquoteright} from the Ministry of Education, Culture, Sports, Science and Technology, Japan.",

year = "2003",

month = jun,

day = "23",

doi = "10.1016/S0040-6090(03)00539-X",

language = "English",

volume = "434",

pages = "86--93",

journal = "Thin Solid Films",

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TY - JOUR

T1 - Synthesis of rutile and anatase films with high surface areas in aqueous solutions containing urea

AU - Yamabi, Satoshi

AU - Imai, Hiroaki

N1 - Funding Information: This work was supported by Grant-in-Aid for Scientific Research (No. 13650742) and 21st Century COE program ‘KEIO Life Conjugate Chemistry’ from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

PY - 2003/6/23

Y1 - 2003/6/23

N2 - Rutile and anatase TiO2 films were successfully fabricated in TiOSO4 aqueous solutions containing urea at near room temperature. The molar ratio of urea to Ti (R) in the precursor solutions determined the crystal phase of the TiO2 films. Rapid precipitation from highly supersaturated solutions was inhibited by complexing Ti4+ cations with urea, and continuous thin films of rutile and anatase were constructed on substrates. The specific surface area of the films increased from 170 to 360 m2/g with increasing R. The urea affected the specific surface area by selective adsorption on the specific surface of crystallites.

AB - Rutile and anatase TiO2 films were successfully fabricated in TiOSO4 aqueous solutions containing urea at near room temperature. The molar ratio of urea to Ti (R) in the precursor solutions determined the crystal phase of the TiO2 films. Rapid precipitation from highly supersaturated solutions was inhibited by complexing Ti4+ cations with urea, and continuous thin films of rutile and anatase were constructed on substrates. The specific surface area of the films increased from 170 to 360 m2/g with increasing R. The urea affected the specific surface area by selective adsorption on the specific surface of crystallites.

KW - Coatings

KW - Deposition process

KW - Nanostructures

KW - Titanium oxide

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DO - 10.1016/S0040-6090(03)00539-X

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SN - 0040-6090

VL - 434

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EP - 93

JO - Thin Solid Films

JF - Thin Solid Films

IS - 1-2

ER -

Synthesis of rutile and anatase films with high surface areas in aqueous solutions containing urea

Abstract

Keywords

ASJC Scopus subject areas

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