Understanding the roles of variable Pd(II)/Pd(0) ratio supported on conjugated poly-azobenzene network: From characteristic alteration in properties to their cooperation towards visible-light-induced selective hydrogenation

Understanding the roles of variable Pd(II)/Pd(0) ratio supported on conjugated poly-azobenzene network: From characteristic alteration in properties to their cooperation towards visible-light-induced selective hydrogenation

Sonraí bibleagrafaíochta
Parent link:	Journal of Catalysis Vol. 385.— 2020.— [P. 120-128]
Údar corparáideach:	Национальный исследовательский Томский политехнический университет Исследовательская школа химических и биомедицинских технологий (ИШХБМТ)
Rannpháirtithe:	Nath Ipsita, Chakraborty Jeet, Gaoke Zhang, Cheng Chen, Chaemchuen Somboon, Park J. Jihae, Zhuiykov S. Serge, Han Taejun, Verpoort F. V. K. Frensis Valter Kornelius
Achoimre:	Title screen Selective hydrogenation of organic functionalities at environmentally benign conditions using visible light is of great industrial and economic significance. Herein we report visible-light-induced rapid, almost quantitative and selective hydrogenation of olefins to respective mono-reduced products using cooperative performance of Pd(0) nanoparticles (NPs) and Pd(II) ions evenly distributed on a newly synthesized conjugated mesoporous poly-azobenzene network. Role of variable Pd(0)/Pd(II) ratio on the properties of polymeric networks and their overall catalytic abilities is critically investigated. This is the first proposed example of cooperative hydrogenation by simultaneous activation of H2 and unsaturated substrates using Mott-Schottky heterojunction between Pd NPs and the semiconducting polymer, with the help of Pd(II)-site-mediated η-coordination. A control over selective mono-reduction of diene with identical double bonds was also obtained. The catalytic activity retained for other non-olefinic functionalities as well. Режим доступа: по договору с организацией-держателем ресурса
Foilsithe / Cruthaithe:	2020
Ábhair:	электронный ресурс труды учёных ТПУ azobenzene porous organic polymer selective hydrogenation visible light cooperative mechanism Mott-Schottky interface органические полимеры селективное гидрирование видимый свет
Rochtain ar líne:	https://doi.org/10.1016/j.jcat.2019.07.031
Formáid:	Leictreonach Caibidil leabhair
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=665241

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