Issue 8, 2015

Low temperature preparation of TiO2 nanoparticle chains without hydrothermal treatment for highly efficient dye-sensitized solar cells

Abstract

Nanoparticle chains of anatase TiO2 composed of ∼5 nm nanoparticles with a high surface area (309 m2 g−1) are prepared by slow hydrolysis of titanium tetraisopropoxide modified with glacial acetic acid at a temperature of 50 °C. These nanoparticle chains without hydrothermal treatment can be used directly to fabricate photoanodes for highly efficient dye-sensitized solar cells (DSSCs), which achieve a power conversion efficiency of 9.80% at simulated AM1.5 G illumination (100 mW cm−2). The approach presented in this study demonstrates a facile synthesis of anatase TiO2 chains for use in DSSCs, which avoid hazards arising from a hydrothermal process that is typically adopted to prepare crystalline TiO2 nanoparticles for use as the photoanode in DSSCs.

Graphical abstract: Low temperature preparation of TiO2 nanoparticle chains without hydrothermal treatment for highly efficient dye-sensitized solar cells

Supplementary files

Article information

Article type
Paper
Submitted
05 Dec 2014
Accepted
15 Jan 2015
First published
15 Jan 2015

J. Mater. Chem. A, 2015,3, 4477-4483

Author version available

Low temperature preparation of TiO2 nanoparticle chains without hydrothermal treatment for highly efficient dye-sensitized solar cells

Y. Cui, L. Zhang, K. Lv, G. Zhou and Z. Wang, J. Mater. Chem. A, 2015, 3, 4477 DOI: 10.1039/C4TA06679K

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