Biomolecule-Assisted Synthesis of Nanocrystalline CdS and Bi2S3 for Photocatalytic Hydrogen Evolution

DOI: 10.4236/wjnse.2011.13012   PDF   HTML     4,091 Downloads   8,137 Views   Citations


Novel CdS and Bi2S3 hollow nanospheres were prepared by simple “one-pot” biomolecule-assisted hydrothermal method using glutathione (GSH) as sulfur source and structure-directing reagents. The single-phase CdS and Bi2S3 photocatalysts were capable of evolving H2 from aqueous solutions containing a sacrificial electron donor, under visible light irradiation (λ ≥ 420 nm) with Pt co-catalyst. A possible formation mechanism of complexation, S-C bond rupture, and spherical aggregate followed isotropic Ostwal ripening or anisotropic Ostwal ripening was proposed in this study.

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C. Li, W. Chen, J. Yuan, M. Chen and W. Shangguan, "Biomolecule-Assisted Synthesis of Nanocrystalline CdS and Bi2S3 for Photocatalytic Hydrogen Evolution," World Journal of Nano Science and Engineering, Vol. 1 No. 3, 2011, pp. 79-83. doi: 10.4236/wjnse.2011.13012.

Conflicts of Interest

The authors declare no conflicts of interest.


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