{"id":223854,"date":"2025-10-24T00:09:19","date_gmt":"2025-10-24T05:09:19","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/heterostructure-engineered-semiconductor-quantum-dots-toward-photocatalyzed-redox-cooperative-coupling-reaction"},"modified":"2025-10-24T00:09:19","modified_gmt":"2025-10-24T05:09:19","slug":"heterostructure-engineered-semiconductor-quantum-dots-toward-photocatalyzed-redox-cooperative-coupling-reaction","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/heterostructure-engineered-semiconductor-quantum-dots-toward-photocatalyzed-redox-cooperative-coupling-reaction","title":{"rendered":"Heterostructure-Engineered Semiconductor Quantum Dots toward Photocatalyzed-Redox Cooperative Coupling Reaction"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/heterostructure-engineered-semiconductor-quantum-dots-toward-photocatalyzed-redox-cooperative-coupling-reaction.jpg\"><\/a><\/p>\n<p>Semiconductor quantum dots have been emerging as one of the most ideal materials for artificial photosynthesis. Here, we report the assembled ZnS-CdS hybrid heterostructure for efficient coupling cooperative redox catalysis toward the oxidation of 1-phenylethanol to acetophenone\/2,3-diphenyl-2,3-butanediol (pinacol) integrated with the reduction of protons to H<sub>2<\/sub>. The strong interaction and typical type-I band-position alignment between CdS quantum dots and ZnS quantum dots result in efficient separation and transfer of electron-hole pairs, thus distinctly enhancing the coupled photocatalyzed-redox activity and stability. The optimal ZnS-CdS hybrid also delivers a superior performance for various aromatic alcohol coupling photoredox reaction, and the ratio of electrons and holes consumed in such redox reaction is close to 1.0, indicating a high atom economy of cooperative coupling catalysis. In addition, by recycling the scattered light in the near field of a SiO<sub>2<\/sub> sphere, the SiO<sub>2<\/sub>-supported ZnS-CdS (denoted as ZnS-CdS\/SiO<sub>2<\/sub>) catalyst can further achieve a 3.5-fold higher yield than ZnS-CdS hybrid. Mechanistic research clarifies that the oxidation of 1-phenylethanol proceeds through the pivotal radical intermediates of <sup>\u2022 <\/sup>C(CH<sub>3<\/sub>)(OH)Ph. This work is expected to promote the rational design of semiconductor quantum dots-based heterostructured catalysts for coupling photoredox catalysis in organic synthesis and clean fuels production.<\/p>\n<p>Copyright \u00a9 2023 Lin-Xing Zhang et al.<\/p>\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/disclaimer\/\" target=\"_blank\" >PubMed Disclaimer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Semiconductor quantum dots have been emerging as one of the most ideal materials for artificial photosynthesis. Here, we report the assembled ZnS-CdS hybrid heterostructure for efficient coupling cooperative redox catalysis toward the oxidation of 1-phenylethanol to acetophenone\/2,3-diphenyl-2,3-butanediol (pinacol) integrated with the reduction of protons to H2. The strong interaction and typical type-I band-position alignment between [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,48,1617,1633,17],"tags":[],"class_list":["post-223854","post","type-post","status-publish","format-standard","hentry","category-economics","category-particle-physics","category-quantum-physics","category-solar-power","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=223854"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223854\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=223854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=223854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=223854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}