A one-pot solvothermal synthesis of hierarchical microspheres with radially assembled single-crystalline TiO2-nanorods for high performance dye-sensitized solar cells

Ziming He; Jing Liu; Jianwei Miao; Bin Liu; Timothy Thatt Yang Tan

doi:10.1039/c3tc32061h

A one-pot solvothermal synthesis of hierarchical microspheres with radially assembled single-crystalline TiO₂-nanorods for high performance dye-sensitized solar cells

Ziming He, Jing Liu, Jianwei Miao, Bin Liu, Timothy Thatt Yang Tan^*

^*Corresponding author for this work

Nanyang Technological University

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

25 Citations (Scopus)

Abstract

A simple one-pot method to prepare complex morphology-tunable hierarchical TiO₂ microspheres consisting of radially assembled single-crystalline rutile TiO₂ nanorods is developed by combining an acid thermal crystallization process and a self-assembly process of the nanorods via a solvothermal amphiphile-water microreactor strategy. Using P25 nanoparticles as void fillers to generate a mesoporous electrode film, the microsphere based photoanode exhibits a maximum power conversion efficiency of 7.95% at an anode film thickness of 27.2 μm, highlighting the importance of material architecture tailoring in improving the electron transport properties of dye-sensitized solar cells.

Original language	English
Pages (from-to)	1381-1385
Number of pages	5
Journal	Journal of Materials Chemistry C
Volume	2
Issue number	8
DOIs	https://doi.org/10.1039/c3tc32061h
Publication status	Published - Feb 28 2014
Externally published	Yes

ASJC Scopus Subject Areas

General Chemistry
Materials Chemistry

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abstract = "A simple one-pot method to prepare complex morphology-tunable hierarchical TiO2 microspheres consisting of radially assembled single-crystalline rutile TiO2 nanorods is developed by combining an acid thermal crystallization process and a self-assembly process of the nanorods via a solvothermal amphiphile-water microreactor strategy. Using P25 nanoparticles as void fillers to generate a mesoporous electrode film, the microsphere based photoanode exhibits a maximum power conversion efficiency of 7.95% at an anode film thickness of 27.2 μm, highlighting the importance of material architecture tailoring in improving the electron transport properties of dye-sensitized solar cells.",

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AU - Liu, Bin

AU - Yang Tan, Timothy Thatt

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AB - A simple one-pot method to prepare complex morphology-tunable hierarchical TiO2 microspheres consisting of radially assembled single-crystalline rutile TiO2 nanorods is developed by combining an acid thermal crystallization process and a self-assembly process of the nanorods via a solvothermal amphiphile-water microreactor strategy. Using P25 nanoparticles as void fillers to generate a mesoporous electrode film, the microsphere based photoanode exhibits a maximum power conversion efficiency of 7.95% at an anode film thickness of 27.2 μm, highlighting the importance of material architecture tailoring in improving the electron transport properties of dye-sensitized solar cells.

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A one-pot solvothermal synthesis of hierarchical microspheres with radially assembled single-crystalline TiO₂-nanorods for high performance dye-sensitized solar cells

Abstract

ASJC Scopus Subject Areas

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