期刊
SCIENCE CHINA-CHEMISTRY
卷 61, 期 7, 页码 830-835出版社
SCIENCE PRESS
DOI: 10.1007/s11426-018-9234-2
关键词
supramolecular organic framework; self-assembly; cucurbitu[8]ril; photocatalysis; hydrogen production
资金
- National Natural Science Foundation of China [21529201, 21432004, 91527301]
- Molecular Foundry, Lawrence Berkeley National Laboratory
- Office of Science, Office of Basic Energy Sciences, Scientific User Facilities Division of the U.S. Department of Energy [DE-AC02-05CH11231]
Cubic metal-covalent-supramolecular organic framework (MCSOF-1) hybrid has been created from the reaction of two molecular components and subsequent co-assembly with cucurbit[8]uril (CB[8]) in water. In the presence of CB[8], [Ru(bpy)(3)](2+) -based acylhydrazine 1 center dot 2Cl reacted with aldehyde 2 center dot Cl to quantitatively yield six-armed precursor 3 center dot 8Cl through the generation of MCSOF-1. MCSOF-1 combines the structural features of metal-, covalent- and supramolecular organic frameworks. Its periodicity in water and in the solid state was confirmed by synchrotron X-ray scattering and diffraction experiments. MCSOF-1 could enrich discrete anionic polyoxometalates (POMs), maintain periodicity in acidic medium, and remarkably facilitate visible light-induced electron transfer from its [Ru(bpy)(3)](2+) units to enriched POMs, leading to enhanced catalysis of the POMs for the reduction of proton to H-2 in both aqueous (homogeneous) and organic (heterogeneous) media.
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