4.6 Article

Enhanced conversion efficiency in dye-sensitized solar cells based on ZnO bifunctional nanoflowers loaded with gold nanoparticles

Journal

APPLIED PHYSICS LETTERS
Volume 93, Issue 24, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3049131

Keywords

crystal growth from solution; gold; II-VI semiconductors; nanocomposites; nanoparticles; solar cells; wide band gap semiconductors; zinc compounds

Funding

  1. Department of Information Technology, Government of India
  2. DST Nanoscience Program

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The ZnO nanoflowers loaded with gold (Au) nanoparticles (NPs) are synthesized by a hydrothermal route using mixed precursors and controlled conditions. The dye-sensitized solar cells based on the ZnO nanoflowers with Au NPs show power conversion efficiency of 2.5%, which is considerably higher than that of ZnO nanoflowers without Au NPs. Detailed characterizations are performed, presented, and discussed.

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