Bilayer ZnO nanostructure fabricated by chemical bath and its application in quantum dot sensitized solar cell

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 s...

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Bibliographic Details
Published in:Applied surface science 2009-06, Vol.255 (17), p.7508-7511
Main Authors: Chen, J., Li, Chen, Song, J.L., Sun, X.W., Lei, W., Deng, W.Q.
Format: Article
Language:English
Subjects:
Chemical bath
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Nanowire
Physics
Solar cell
ZnO
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Summary: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.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2009.03.091