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

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DOI: 10.4236/wjnse.2011.13012    3,867 Downloads   7,835 Views   Citations

ABSTRACT

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.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

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.

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