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Applied Physics A

, Volume 97, Issue 1, pp 25–29 | Cite as

Hydrothermal growth of large-scale macroporous TiO2 nanowires and its application in 3D dye-sensitized solar cells

  • Hai Wang
  • Yong LiuEmail author
  • Ming Li
  • Hong Huang
  • Minyi Zhong
  • Hui Shen
Rapid communication

Abstract

Large-scale macroporous TiO2 nanowires (MTN) were directly grown on spiral-shaped titanium wires as photoanodes of dye-sensitized solar cells (DSSCs) via a facile hydrothermal reaction without any seeds, templates, and TiO2 powder. The MTN thin film was characterized by SEM, XRD and TEM. The studies revealed that the MTN thin film had better mechanical properties and provided an efficient pathway for the diffusion of liquid electrolyte. The efficiency of 0.86% for the 3D DSSC was obtained with a J sc of 2.30 mA/cm2, V oc of 616 mV, and FF of 0.61. This MNT-based mini 3D DSSC is a promising photovoltaic device for applications in the fields of high-integrated micro-electronic equipment.

PACS

84.60.Jt 81.07.-b 61.46.-w 62.23.Hj 68.37.-d 81.07.-b 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Hai Wang
    • 1
    • 2
  • Yong Liu
    • 1
    Email author
  • Ming Li
    • 1
    • 2
  • Hong Huang
    • 3
  • Minyi Zhong
    • 1
  • Hui Shen
    • 1
  1. 1.School of Physics and Engineering, Institute for Solar Energy Systems, State Key Laboratory of Optoelectronic Materials and TechnologiesSun Yat-sen UniversityGuangzhouChina
  2. 2.Key Laboratory of Nonferrous Materials and New Processing Technology, Ministry of Education, Department of Material and Chemical EngineeringGuilin University of TechnologyGuilinChina
  3. 3.Instrumental Analysis and Research CenterSun Yat-sen UniversityGuangzhouChina

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