Nanostructured manganese oxide on silica aerogel: a new catalyst toward water oxidation

被引：0

作者：

Mohammad Mahdi Najafpour

Saeideh Salimi

Sepideh Madadkhani

Małgorzata Hołyńska

Tatsuya Tomo

Suleyman I. Allakhverdiev

机构：

[1] Institute for Advanced Studies in Basic Sciences (IASBS),Department of Chemistry

[2] Institute for Advanced Studies in Basic Sciences (IASBS),Center of Climate Change and Global Warming

[3] Philipps-Universität Marburg,Fachbereich Chemie and Wissenschaftliches Zentrum für Materialwissenschaften (WZMW)

[4] Tokyo University of Science,Department of Biology, Faculty of Science

[5] Japan Science and Technology Agency (JST),PRESTO

[6] Russian Academy of Sciences,Controlled Photobiosynthesis Laboratory, Institute of Plant Physiology

[7] Russian Academy of Sciences,Institute of Basic Biological Problems

[8] M.V. Lomonosov Moscow State University,Department of Plant Physiology, Faculty of Biology

来源：

Photosynthesis Research | 2016年 / 130卷

关键词：

Artificial photosynthesis; Nano-sized manganese oxide; Oxygen; Self-healing; Silica aerogel; Water oxidation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Herein we report on the synthesis and characterization of nano-sized Mn oxide/silica aerogel with low density as a good catalyst toward water oxidation. The composite was synthesized by a simple and low-cost hydrothermal procedure. In the next step, we studied the composite in the presence of cerium(IV) ammonium nitrate and photo-produced Ru(bpy)33+ as a water-oxidizing catalyst. The low-density composite is a good Mn-based catalyst with turnover frequencies of ~0.3 and 0.5 (mmol O2/(mol Mn·s)) in the presence of Ru(bpy)33+ and cerium(IV) ammonium nitrate, respectively. In addition to the water-oxidizing activities of the composite under different conditions, its self-healing reaction in the presence of cerium(IV) ammonium nitrate was also studied.

引用

页码：225 / 235

页数：10

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