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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Fabrication of ZnO/CdS core/shell nanowire arrays for efficient solar energy conversion

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Title
Fabrication of ZnO/CdS core/shell nanowire arrays for efficient solar energy conversion
Other Titles
Fabrication of ZnO/CdS core/shell nanowire arrays for efficient solar energy conversion
Author
Tak, YoungjoHong, Suk JoonLee, Jae SungYong, Kijung
Keywords
PHOTOVOLTAIC DEVICES; QUANTUM DOTS; CELLS; CDS; TIO2; NANOCRYSTALS; LIGHT; PHOTOSENSITIZATION; HETEROSTRUCTURE; DESIGN
Issue Date
2009-06
Publisher
ROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY, v.19, no.33, pp.5945 - 5951
Abstract
ZnO/CdS core/shell nanowire heterostructure arrays are fabricated by a two-step chemical solution method for use in semiconductor-sensitized photoelectrochemical cells (PECs). The successive ion layer adsorption and reaction (SILAR) shows a remarkable controllability of CdS shell thickness, which affects visible-light absorption properties and PEC performances of the heterostructures. The cell has a high short-circuit photocurrent density of 7.23 mA/cm(2) with a power conversion efficiency of 3.53% under AM 1.5G illumination at 100 mW/cm(2). These results demonstrate that the ZnO/CdS core/shell heterostructure nanowire arrays can provide a facile and compatible frame for the potential applications in nanowire-based solar cells
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DOI
10.1039/b904993b
ISSN
0959-9428
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ECHE_Journal Papers
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