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Biomolecule-Assisted Synthesis of Nanocrystalline CdS and Bi2S3 for Photocatalytic Hydrogen Evolution
- Source :
- World Journal of Nano Science and Engineering. :79-83
- Publication Year :
- 2011
- Publisher :
- Scientific Research Publishing, Inc., 2011.
-
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.
Details
- ISSN :
- 21614962 and 21614954
- Database :
- OpenAIRE
- Journal :
- World Journal of Nano Science and Engineering
- Accession number :
- edsair.doi...........a2e8ca801890dbe3ef2b0adeaa96c9dd