Journal
APPLIED SURFACE SCIENCE
Volume 255, Issue 17, Pages 7508-7511Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2009.03.091
Keywords
ZnO; Nanowire; Chemical bath; Solar cell
Categories
Funding
- Science and Engineering Research Council [0421010010]
- Agency for Science, Technology and Research (A*STAR), Singapore
- Chinese 111 project [B07027]
- Program for New Century Excellent Talents in University [NCET-05-0466]
- National Natural Science Foundation [50872022]
- Ministry of Education [20070286054]
- Scientific Research Foundation of Graduate School of Southeast University [YBJJ0818]
- National High Technology R&D Program of China [2008AA03A314]
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Chemical bath method was used to synthesize bilayer ZnO nanostructure on ITO glass in the alkaline solution. As revealed by X-ray diffraction (XRD) and scanning electron microscopy (SEM), the product consists of a layered structure of ZnO nanorods at the bottom and nanoflower atop. The as-prepared sample was assembled in quantum dot sensitized solar cell (QDSSC), which obtained the incident photon to current conversion efficiency (IPCE) of 15% at 400 nm and power conversion efficiency (PCE) of 0.45%. Therefore, this novel bilayer ZnO nanostructure has the potential for application in solar cell device as the photoelectrode. (C) 2009 Elsevier B. V. All rights reserved.
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