Clean Technology 2009

A Sonoelectrochemical Synthesis of Nanosized CdS on TiO2 Nanotube-Array for Enhancing Photoelectrochemical Reactivity

C.L. Wang, L. Sun, H. Yun, J. Li, Y.K. Lai, C.J. Lin
Xiamen University, CN

Keywords: sonoelectrochemical, CdS-TiO2, photoelectrochemistry


The nanoparticles of CdS were precipitated onto a self-organized TiO2 nanotube array photo-electrodes by using sonochemical synthesis combining with constant current electrochemical deposition. It is indicated that the CdS nanoparticles with average diameter of 28.1 nm have been deposited into/on TiO2 nanotubes. The prepared nanocomposite of CdS-TiO2 possesses stronger photocurrent and broader photo-response range than blank TiO2 nanotube arrays and plain electro-deposition.
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