3 years ago

Unusual catalytic activity after simultaneous immobilization of two metalloporphyrins on hydrozincite/nanocrystalline anatase

Unusual catalytic activity after simultaneous immobilization of two metalloporphyrins on hydrozincite/nanocrystalline anatase
The preparation of hydrozincite in the presence of titanium, followed by the immobilization of two different metalloporphyrins, a positively charged iron porphyrin and a negatively charged manganese porphyrin, is reported. Both metalloporphyrins were immobilized separately and then simultaneously in the same solid support. The resulting solids were used as catalysts for a cyclohexane oxidation reaction in the dark and assisted by light. An unusual increase in the alcohol yield was observed when both complexes were immobilized simultaneously and the catalytic experiments were conducted in the presence of light, suggesting a synergistic effect of the complexes/support/light.

Publisher URL: www.sciencedirect.com/science

DOI: S0021951717302221

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