AI Article Synopsis
- Photocatalytic hydrogen evolution (PHE) faces challenges like poor light absorption and fast recombination of electron-hole pairs, making it less efficient.
- Traditional PHE methods use sacrificial reagents to help with the reaction, but this approach can be costly.
- The study introduces a new type of photocatalyst, a hollow structured CdS @ZnInS with a bifunctional cocatalyst, achieving high efficiency in both hydrogen production and benzylamine oxidation, showcasing its promising design for future photocatalysts.
Article Abstract
Photocatalytic hydrogen evolution (PHE) is frequently constrained by inadequate light utilization and the rapid combination rate of the photogenerated electron-hole pairs. Additionally, conventional PHE processes are often facilitated by the addition of sacrificial reagents to consume photo-induced holes, which makes this approach economically unfavorable. Herein, we designed a spatially separated bifunctional cocatalyst decorated Z-scheme heterojunction of hollow structured CdS (HCdS) @ZnInS (ZIS), which was prepared by a sacrificial hard template method followed by photo-deposition. Consequently, PdO@HCdS@ZIS@Pt exhibited efficient PHE (86.38 mmol·g·h) and benzylamine (BA) oxidation coupling (164.75 mmol·g·h) with high selectivity (97.34 %). The unique hollow core-shelled morphology and bifunctional cocatalyst loading in this work hold great potential for the design and synthesis of bifunctional Z-scheme photocatalysts.
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| http://dx.doi.org/10.1016/j.jcis.2023.12.175 | DOI Listing |
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