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Robust Biological Hydrogen‐Bonded Organic Framework with Post‐Functionalized Rhenium(I) Sites for Efficient Heterogeneous Visible‐Light‐Driven CO 2 Reduction
Author(s) -
Yu Baoqiu,
Li Lianjie,
Liu Shanshan,
Wang Hailong,
Liu Heyuan,
Lin Chenxiang,
Liu Chao,
Wu Hui,
Zhou Wei,
Li Xiyou,
Wang Tianyu,
Chen Banglin,
Jiang Jianzhuang
Publication year - 2021
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.202016710
Subject(s) - photocatalysis , chemistry , rhenium , catalysis , hydrogen production , covalent bond , photochemistry , absorption (acoustics) , selectivity , hydrogen , inorganic chemistry , materials science , organic chemistry , composite material
A robust 2,2′‐bipyridine (bpy)‐derived biological hydrogen‐bonded framework (HOF‐25) has been realized depending on guanine‐quadruplex with the assistance of π‐π interaction, which reacts with Re(CO) 5 Cl to give a post‐functionalized HOF‐25‐Re. X‐ray absorption fine structure spectroscopic study on HOF‐25‐Re confirms the covalent attachment of Re(bpy)(CO) 3 Cl segments to this HOF. Robust and recycled HOF‐25‐Re bearing photocatalytic Re(bpy)(CO) 3 Cl centers displays good heterogeneous catalytic activity towards carbon dioxide photoreduction in the presence of [Ru(bpy) 3 ]Cl 2 and triisopropanolamine in CH 3 CN under visible‐light irradiation, with both high CO production rate of 1448 μmol g −1 h −1 and high selectivity of 93 %. Under the same conditions, the experimental turnover number of HOF‐25‐Re (50) is about 8 times as that of the homogeneous control Re(bpy)(CO) 3 Cl. The sustainably regenerated HOF‐25‐Re via crystallization and post‐modification processes shows recovered photocatalytic performance.