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Issue 59, 2014
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TiO2@CdSe/CdS core–shell hollow nanospheres solar paint

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Abstract

TiO2@CdSe/CdS core–shell hollow nanospheres solar paint was successfully prepared via hard template and ion exchange method considering the match of their band gap. The outer layer of TiO2 shell protects CdSe and CdS from decomposition and increases their stability. The diameters of the TiO2@CdSe/CdS hollow nanospheres were uniformly around 600 nm with a shell thickness of 70 nm. The visible light absorption onset of TiO2@CdSe/CdS hollow nanospheres is around 650 nm corresponding to a bandgap of 1.8 eV, showing a red-shift when compared with TiO2/CdS. TiO2@CdSe/CdS hollow nanospheres can be directly used as solar paint. The photoanode decorated by the solar paint performs a reliable photoelectric conversion efficiency of ∼0.79% and current density of 6.6 mA cm−2.

Graphical abstract: TiO2@CdSe/CdS core–shell hollow nanospheres solar paint

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Article information


Submitted
27 Apr 2014
Accepted
23 Jun 2014
First published
24 Jun 2014

RSC Adv., 2014,4, 31313-31317
Article type
Communication
Author version available

TiO2@CdSe/CdS core–shell hollow nanospheres solar paint

X. Zhang, H. Sun, X. Tao and X. Zhou, RSC Adv., 2014, 4, 31313
DOI: 10.1039/C4RA03845B

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