Issue 78, 2013
From the journal:

Chemical Communications

Nanolayered manganese oxide/poly(4-vinylpyridine) as a biomimetic and very efficient water oxidizing catalyst: toward an artificial enzyme in artificial photosynthesis†

Mohammad Mahdi Najafpour,*ab   Behzad Haghighi,ab   Mohadeseh Zarei Ghobadi‡a  and  Davood Jafarian Sedigh‡a  

* Corresponding authors

a Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
E-mail: mmnajafpour@iasbs.ac.ir
Tel: +98 241 415 3201

b Center of Climate Change and Global Warming, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran

Abstract

Nanolayered Mn oxide/poly(4-vinylpyridine) as a model for Mn cluster in photosystem II was synthesized and characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR) and UV-Visible spectroscopy (UV-Vis). The compound is a very efficient water oxidizing catalyst, and sizable oxygen evolution was detected at 50 mV overpotential at near neutral pH. The number is as low as the overpotential is used by nature in photosystem II of cyanobacteria, algae and green plants for similar reactions.

Graphical abstract: Nanolayered manganese oxide/poly(4-vinylpyridine) as a biomimetic and very efficient water oxidizing catalyst: toward an artificial enzyme in artificial photosynthesis

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Article information

DOI
https://doi.org/10.1039/C3CC44399J
Article type
Communication
Submitted
11 Jun 2013
Accepted
30 Jul 2013
First published
31 Jul 2013

Chem. Commun., 2013,49, 8824-8826

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Nanolayered manganese oxide/poly(4-vinylpyridine) as a biomimetic and very efficient water oxidizing catalyst: toward an artificial enzyme in artificial photosynthesis

M. M. Najafpour, B. Haghighi, M. Z. Ghobadi and D. J. Sedigh, Chem. Commun., 2013, 49, 8824 DOI: 10.1039/C3CC44399J

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