4.7 Article

ZnO nanowire arrays coating on TiO2 nanoparticles as a composite photoanode for a high efficiency DSSC

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 40, Pages 11246-11248

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc15310b

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Funding

  1. Chinese Academy of Sciences
  2. National Science Fund for Distinguished Young Scholar [60925016]
  3. National High Technology Research and Development program of China [2009AA034101]

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A novel composite photoanode with ZnO nanowire arrays coating on the top of TiO2 nanoparticles is fabricated, and an efficiency of 4.52% is achieved for the composite cell, far higher than both 0.90% of the ZnO nanowire cell and 3.56% of the TiO2 nanoparticle cell. The improved efficiency is resulted from the high surface area of nanoparticles, as well as fast electron transport and light scattering effect of nanowires.

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