Issue 5, 2014

Novel core–shell TiO2 microsphere scattering layer for dye-sensitized solar cells

Abstract

Core–shell TiO2 microspheres were synthesised by a one step solvothermal method in ethanol solvent. The single anatase TiO2 core–shell structure exhibited high reflectance and large surface area due to its special structure. When applied in the dye-sensitized solar cells (DSCs), this micro-spherical core–shell structure effectively enhanced light harvesting and led to the increase of the photocurrent of the DSCs. As a result, 29% improvement in conversion efficiency of DSCs was achieved after introducing the core–shell TiO2 scattering layer. A comparative experiment between the core–shell structure and a solid structure further confirmed that the core–shell structure is more beneficial for light scattering and photovoltaic performance. The excellent properties of the microspherical core–shell TiO2 make it a promising candidate as a scattering material for DSCs.

Graphical abstract: Novel core–shell TiO2 microsphere scattering layer for dye-sensitized solar cells

Supplementary files

Article information

Article type
Paper
Submitted
04 Sep 2013
Accepted
07 Nov 2013
First published
08 Nov 2013

J. Mater. Chem. A, 2014,2, 1502-1508

Novel core–shell TiO2 microsphere scattering layer for dye-sensitized solar cells

J. Feng, Y. Hong, J. Zhang, P. Wang, Z. Hu, Q. Wang, L. Han and Y. Zhu, J. Mater. Chem. A, 2014, 2, 1502 DOI: 10.1039/C3TA13523C

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