Single-step fabrication of phase-controllable nanocrystalline TiO(2) films for enhanced photoelectrochemical water splitting and dye-sensitized solar cells
Resource
JOURNAL OF POWER SOURCES, 196(10), 4865-4869
Journal
Journal of Power Sources
Pages
4865-4869
Date Issued
2011
Date
2011
Author(s)
Lin, Chin-Jung
Tu, Wen-Kai
Kuo, Chih-Kang
Chien, Shu-Hua
Abstract
We introduce a single-step procedure for growing a phase-controllable bilayer-structured TiO2 film directly onto transparent conductive oxide glass by precipitation from hydrolysis of TiCl4 in acid solution containing sulfate ions. The obtained bilayer-structured film with anatase nanoparticles in the inner layer which provide high surface area, and an outer layer of larger rutile particles for incident light scattering. In both the water splitting and the dye-sensitized solar cells under AM 1.5 simulated solar light, the bilayer-structured film outperformed the single layer-structured films with either anatase or rutile TiO2 alone by at least 50%. © 2011 Elsevier B.V. All rights reserved.
Subjects
Dye-sensitized solar cell; Phase-controllable TiO2 film; Photoelectrochemical water splitting; Single-step fabrication
Other Subjects
Acid solutions; Anatase nanoparticles; Bi-layer; Dye-Sensitized solar cell; High surface area; Inner layer; Nanocrystalline TiO; Outer layer; Photoelectrochemical water splitting; Photoelectrochemicals; Rutile particles; Rutile TiO; Simulated solar light; Single layer; Single-step; Single-step fabrication; Structured films; Sulfate ion; TiO; Transparent conductive oxides; Water splitting; Dyes; Electrochemistry; Fabrication; Oxide minerals; Photoelectrochemical cells; Titanium dioxide; Solar cells
Type
journal article
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