Chloride ion: A promising hole scavenger for photocatalytic hydrogen generation |
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| Authors: | Girivyankatesh Hippargi Priti Mangrulkar Anushree Chilkalwar Nitin Labhsetwar Sadhana Rayalu |
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| Affiliation: | EMD, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur-440020, India |
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| Abstract: | The investigation pertains to elucidation of promising role of in-situ chloride ions generated during the photoreduction of HAuCl4 as an internal sacrificial donor for photocatalytic hydrogen generation. The hydrogen evolution rate (HER) observed was 4.16 mmol h?1 using in-situ route of photocatalyst formation which is significantly higher than the conventional route of formation of recovered photocatalyst. This unreported and unprecedented enhancement is explained on the basis of role of chloride ions released from the gold precursor. Experimental data inferring the effect of chloride ions on photocatalytic hydrogen generation using Au | |
| Keywords: | Photocatalysis Chloride effect Donor Water splitting In-situ |
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