A Ternary Zn−Al−Ir Hydrotalcite‐Like Compound Exhibiting High Efficiency and Recyclability as a Water Oxidation Catalyst | Zendy

Fagiolari Lucia | Zendy; Scafuri Antonio | Zendy; Costantino Ferdinando | Zendy; Vivani Riccardo | Zendy; Nocchetti Morena | Zendy; Macchioni Alceo | Zendy

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A Ternary Zn−Al−Ir Hydrotalcite‐Like Compound Exhibiting High Efficiency and Recyclability as a Water Oxidation Catalyst

Author(s) -

Fagiolari Lucia,

Scafuri Antonio,

Costantino Ferdinando,

Vivani Riccardo,

Nocchetti Morena,

Macchioni Alceo

Publication year - 2016

Publication title -

chempluschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.801

H-Index - 61

ISSN - 2192-6506

DOI - 10.1002/cplu.201600087

Subject(s) - hydrotalcite , catalysis , iridium , ternary operation , brucite , chemistry , turnover number , zinc , inorganic chemistry , layered double hydroxides , metal , nuclear chemistry , materials science , organic chemistry , magnesium , computer science , programming language

Herein it is shown that hydrotalcite‐like compounds (HTlcs), doped with a suitably reactive metal, can efficiently act as water oxidation catalysts. As a case study, a ternary HTlc of formula [Zn 0.667 Al 0.306 Ir 0.027 (OH) 2 ]Cl 0.333 ⋅ 0.6 H 2 O, in which iridium is homogeneously distributed into the octahedral sites of brucite‐type sheets, was prepared and tested as a heterogeneous water oxidation catalyst, using NaIO 4 as a sacrificial oxidant. This HTlc showed excellent performance in terms of turnover frequency (up to 113 min −1 ), turnover number (>11 900), stability and recyclability.

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