HETEROGENEOUS PHOTO CATALYSIS–VII. THE INFLUENCE OF ZINC IONS ON THE PHOTOCATALYTIC PROPERTIES OF PLATINIZED CADMIUM SULFIDE
作者： Wolfgang Hetterich , Horst Kisch
DOI: 10.1111/J.1751-1097.1990.TB08659.X
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摘要: — The reaction rate of the CdS/Pt-catalyzed hydrogen evolution and photodehydro-dimerization from aqueous 2,5-dihydrofuran depends strongly on conditions in preparation CdS/Pt by photoplatinization. Highest rates, 12 ml H2/h, are obtained when photocatalyst was prepared with a low-intensity lamp presence 4.3 mol% platinate (sample I) while lower rates observed 1.07, 2.15, 3.23 6.45 Pt. At higher intensity or 2.15 Pt produced samples II III induce 5 2.5 H2/h. Addition zinc sulfate to solution results maximum increase 7.5 12.5 H2/h case III, respectively. Similarly, improves catalytic properties also it is present during In this only half amount platinum, mol%, necessary obtain highest
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