A photosynthesis-inspired supramolecular system: caging photosensitizer and photocatalyst in apoferritin.

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2019
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Abstract
Inspired by the bioinorganic structure of natural [FeFe]-hydrogenase ([FeFe]-Hase) that possesses iron sulfur clusters to catalyze proton reduction to hydrogen (H), we design a supramolecular photosystem by sequentially integrating hydrophobic ruthenium complex (as a photosensitizer) and diiron dithiolate complex (as a photocatalyst) into the inner surface or cavity of apoferritin via noncovalent interactions. This platform allows photosensitizer and catalyst to localize in a close proximity and short-distance electron transfer process to occur within a confined space. The resulted uniform core-shell nanocomposites were stable and well dispersed in water, and showed enhanced H generation activity in acidic solution as compared to the homogenous system without apoferritin participation.
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chen2019aphotosynthesis Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chen, Weijian;Cai, Xuetong;Ji, Luyang;Li, Xiao;Wang, Xuewei;Zhang, Xiaoran;Gao, Yajing;Feng, Fude;
Journal photosynthesis research
Year 2019
DOI
10.1007/s11120-019-00671-4
URL
Keywords
apoferritin artificial photosynthesis photocatalytic hydrogen evolution protein cage supramolecular assembly

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