Optical-fiber/TiO 2-nanowire-arrays hybrid structures with tubular counterelectrode for dye-sensitized solar cell

Wenxi Guo, Chen Xu, Guang Zhu, Caofeng Pan, Changjian Lin, Zhong Lin Wang

Research output: Journal PublicationArticlepeer-review

55 Citations (Scopus)

Abstract

We have developed an innovative structure for enhancing the performance of the fiber based 3D DSSC by integrating optical-fiber/TiO 2-nanowire-arrays hybrid structures with cylindrical counterelectrodes. The TiO 2 nanowire arrays are grown on the optical fiber using liquid phase deposition method and platinum is coated on the inwall of stainless steel capillary tubes using electroless deposition. The 3D DSSC is made by sheathering the tube on the fiber structure. In comparison to planar illumination geometry, the efficiency for the 3D structure has been enhanced by a factor of 3.6. An absolute efficiency of 6% has been demonstrated at an optimal length of TiO 2 NWs (12μm). This study demonstrates a new methodology for building flexible and high-efficient fiber based 3D solar cells that can be expanded to concentrating solar cells.

Original languageEnglish
Pages (from-to)176-182
Number of pages7
JournalNano Energy
Volume1
Issue number1
DOIs
Publication statusPublished - Jan 2012
Externally publishedYes

Keywords

  • Dye-sensitized solar cell
  • Optical fiber
  • TiO nanowire
  • Tubular counterelectrode

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science (all)
  • Electrical and Electronic Engineering

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