Decoration of the layered manganese oxide birnessite with Mn(ii/iii) gives a new water oxidation catalyst with fifty-fold turnover number enhancement | Zendy

Ian G. McKendry | Zendy; S.K. Kondaveeti | Zendy; Samantha L. Shumlas | Zendy; Daniel R. Strongin | Zendy; Michael J. Zdilla | Zendy

Open Access

Decoration of the layered manganese oxide birnessite with Mn(ii/iii) gives a new water oxidation catalyst with fifty-fold turnover number enhancement

Author(s) -

Ian G. McKendry,

S.K. Kondaveeti,

Samantha L. Shumlas,

Daniel R. Strongin,

Michael J. Zdilla

Publication year - 2015

Publication title -

dalton transactions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.98

H-Index - 184

eISSN - 1477-9234

pISSN - 1477-9226

DOI - 10.1039/c5dt01436k

Subject(s) - birnessite , catalysis , manganese , manganese oxide , chemistry , turnover number , oxide , fold (higher order function) , biochemistry , organic chemistry , computer science , programming language

The role of the manganese average oxidation state (AOS) in water oxidation catalysis by birnessite was investigated. Low AOS samples were most active, generating O2 immediately. Samples with a relatively high AOS showed an initial induction period and decreased turnover. Mn(ii- and iii)-enriched samples gave a 10-50 fold enhancement in turnover number.

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