Orderly decorated nanostructural photoelectrodes with uniform spherical TiO2 particles for dye-sensitized solar cells

doi:10.1007/s11705-015-1549-8

Frontiers of Chemical Science and Engineering

2015, Vol. 9

Issue (4): 532-540 https://doi.org/10.1007/s11705-015-1549-8

本期目录

Orderly decorated nanostructural photoelectrodes with uniform spherical TiO₂ particles for dye-sensitized solar cells

A. M. Bakhshayesh(

),S. S. Azadfar

Department of Research and Development, SUN Nanotechnologists Company, Tehran 13488-96394, Iran

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Abstract：

This study presents a novel nanostructural electrode made of 20-nm-diameter nanoparticles, which orderly decorated with 2-µm TiO₂ particles, deposited by a new gel process. The decorated electrode (DE) is better than the non-decorated electrode (NE) in both light scattering and light harvesting, as confirmed by diffuse reflectance spectroscopy. X-ray diffraction reveals that both electrodes have a mixture of anatase and rutile phases. The dye-sensitized solar cell based on the decorated electrode shows the highest power conversion efficiency of 7.80% as a result of less recombination demonstrated by electrochemical impedance spectroscopy. From internal power conversion efficiency measurement, the external quantum efficiency of DE cell at 530 nm is 89%, which is higher than that of NE cell (77%).

Key words： dye-sensitized solar cell uniform particles TiO₂ gel process light harvesting

收稿日期: 2015-08-18 出版日期: 2015-11-26

Corresponding Author(s): A. M. Bakhshayesh

引用本文:

. [J]. Frontiers of Chemical Science and Engineering, 2015, 9(4): 532-540.
A. M. Bakhshayesh,S. S. Azadfar. Orderly decorated nanostructural photoelectrodes with uniform spherical TiO₂ particles for dye-sensitized solar cells. Front. Chem. Sci. Eng., 2015, 9(4): 532-540.

链接本文:

https://academic.hep.com.cn/fcse/CN/10.1007/s11705-015-1549-8
https://academic.hep.com.cn/fcse/CN/Y2015/V9/I4/532

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