4.8 Article

Fabrication of an Efficient Light-Scattering Functionalized Photoanode Using Periodically Aligned ZnO Hemisphere Crystals for Dye-Sensitized Solar Cells

Journal

ADVANCED MATERIALS
Volume 24, Issue 6, Pages 792-+

Publisher

WILEY-BLACKWELL
DOI: 10.1002/adma.201103985

Keywords

zinc oxide hemisphere; hydrothermal growth; light scattering; dye-sensitized solar cells; electrochemical impedance spectroscopy

Funding

  1. SAMSUNG LED Co. Ltd.
  2. National Research Foundation of Korea (NRF, CLEA, NCRC) [R15-2008-006-03002-0]
  3. World Class University (WCU) at GIST [R31-2008-000-10026-0]
  4. Ministry of Education, Science and Technology (MEST)
  5. GIST-GTI
  6. GIST
  7. Ministry of Education, Science & Technology (MoST), Republic of Korea [gist-03-05] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  8. National Research Foundation of Korea [2008-0062153] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A periodically aligned submicron ZnO hemispheres array was embedded into a TiO2 nanoparticulate thin film (thickness; ca. 12 mu m) as a photoanode for dye-sensitized solar cells (DSSCs). The ZnO hemisphere array provided light scattering centers that excited more dyes and direct electron pathways to the electrodes, which is beneficial for high efficiency DSSCs.

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