Hydrothermal Synthesis of CdS Nanoparticle-Decorated TiO2 Nanobelts for Solar Cell

Authors: Li, Haiyan; Eastman, Micah; Schaller, Rebecca; Hudson, Walter; Jiao, Jun

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 10, October 2011 , pp. 8517-8521(5)

Publisher: American Scientific Publishers

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Abstract:

We fabricated a solar cell using a hybrid film consisting of CdS nanoparticle-decorated TiO2 nanobelts, which were synthesized via a modified alkaline hydrothermal method. The hybrid film is flexible and contains homogeneous CdS nanoparticle light absorbers. Furthermore, the type II heterostructure of CdS/TiO2 facilitates charge separation in the CdS nanoparticle-decorated TiO2 nanobelts. The solar cell demonstrated a light-electricity power conversion efficiency of 2.52%. Next, we deposited the CdS nanoparticle-decorated TiO2 nanobelts onto a ZnO nanowire array forming an antireflective hybrid structure. The power conversion efficiency of the cell with the hybrid photoanode reached 2.84%.

Keywords: CDS NANOPARTICLE; PHOTOLUMINESCENCE; RAMAN; TIO2 NANOBELT; UV-VIS-NIR SPECTROSCOPY

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.4963

Publication date: October 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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