2026-05-20T19:43:16Zhttps://uvadoc.uva.es/oai/request

oai:uvadoc.uva.es:10324/653712024-01-30T20:03:07Zcom_10324_28708com_10324_954com_10324_894com_10324_28542com_10324_952com_10324_1186com_10324_931col_10324_28709col_10324_28543col_10324_1404

Rabbani, Ramin Saeedi, Sima Nazimuddin, Md Barbero San Juan, Héctor Kyritsakas, Nathalie White, Travis A. Masson, Eric 2024-01-30T15:23:28Z 2024-01-30T15:23:28Z 2021 Chem. Sci., 2021, 12, 15347 2041-6520 https://uvadoc.uva.es/handle/10324/65371 10.1039/d1sc03743a 15347 46 15352 Chemical Science 12 2041-6539 A cucurbit[8]uril (CB[8])-secured platinum terpyridyl chloride dimer was used as a photosensitizer and hydrogen-evolving catalyst for the photoreduction of water. Volumes of produced hydrogen were up to 25 and 6 times larger than those obtained with the corresponding free and cucurbit[7]uril-bound platinum monomer, respectively, at equal Pt concentration. The thermodynamics of the proton-coupled electron transfer from the Pt(II)–Pt(II) dimer to the corresponding Pt(II)–Pt(III)–H hydride key intermediate, as quantified by density functional theory, suggest that CB[8] secures the Pt(II)–Pt(II) dimer in a particularly reactive conformation that promotes hydrogen formation. eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/3.0/ Attribution-NonCommercial-NoDerivs 3.0 Unported Enhanced photoreduction of water catalyzed by a cucurbit[8]uril-secured platinum dimer info:eu-repo/semantics/article