Enhanced durability of an iridium-bipyridine complex embedded into organosilica nanotubes for water oxidation
Enhanced durability of an iridium-bipyridine complex embedded into organosilica nanotubes for water oxidation
复制标题
嵌入有机二氧化硅纳米管中的铱-联吡啶络合物用于水氧化的增强耐用性
DOI：
10.1039/c7dt02026k
复制
发表时间：
2017
影响因子：
4
通讯作者：
Liu Xiao
中科院分区：
文献类型：
--
作者：
Zhang Shengbo;Wang Hua;Li Mei;Han Jinyu;Inagaki Shinji;Liu Xiao
Heterogeneous metal complex catalysts for the water oxidation reaction have ever been desired for the development of devices simulating photosynthesis. This paper describes the design of highly active and robust heterogeneous iridium complex catalysts for chemical water oxidation. The heterogeneous catalyst (Ir-BPy-NT) was prepared by the post-synthetic metalation of bipyridine-containing mesoporous organosilica nanotubes (BPy-NT) with an [IrCp*Cl(μ-Cl)]2 (Cp* = η5-pentamethylcyclopentadienyl) complex. The as-prepared Ir-BPy-NT catalyst showed enhanced durability with high reaction activity compared to the analogous homogeneous and the conventional heterogeneous ones, due to the stable nanotube structures as well as the isolated active sites. The unique one-dimensional nanotubes with large pore diameters can also reduce the diffusion limitation and facilitate the transport of reactants and products during reactions.
