Effect of Polyvinyl Alcohol on Performance of Ni Nanoparticles Prepared by Photoreduction of Ni~(2+) and Its Dye-sensitized Photocatalytic Hydrogen Production
Ni nanoparticles were fabricated by photoreduction of Ni~(2+)using dye eosin-Y as a sensitizer. In this reaction system,in the absence of PVA sphere-like Ni nanoparticles were obtained by the photoreduction; whereas in the presence of PVA,due to its template guiding role,the prepared Ni nanoparticles showed rod-like morphology.The PVA adsorbed on rod-like Ni nanoparticles can promote the transfer of photoinduced electrons from eosin-Y to Ni,leading to increase of the activity and stability of the dye-sensit...
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