Water oxidation by simple manganese salts in the presence of cerium(iv) ammonium nitrate: towards a complete pictureElectronic supplementary information (ESI) available. See DOI: 10.1039/c7dt04143h

For the first time, using scanning electron microscopy, transmission electron microscopy, X-ray absorption near edge structure and extended X-ray absorption fine structure X-ray diffraction, it is showed that MnCO 3 , MnWO 4 , Mn 3 (PO 4 ) 2 ·3H 2 O, MnS and Mn(VO 3 ) 2 · x H 2 O under the water-oxi...

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Main Authors: Heidari, Sima, Najafpour, Mohammad Mahdi, Ho y ska, Ma gorzata, Singh, Jitendra Pal, Chae, Keun Hwa, Khatamian, Masoumeh
Format: Article
Language:English
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Summary:For the first time, using scanning electron microscopy, transmission electron microscopy, X-ray absorption near edge structure and extended X-ray absorption fine structure X-ray diffraction, it is showed that MnCO 3 , MnWO 4 , Mn 3 (PO 4 ) 2 ·3H 2 O, MnS and Mn(VO 3 ) 2 · x H 2 O under the water-oxidation conditions and in the presence of cerium( iv ) ammonium nitrate, are converted to Mn oxide without a high-range order. A mechanism is proposed for such conversion and as Mn oxide is an efficient water-oxidizing catalyst, it is thus a candidate as a contributor to the observed catalytic activity. For the first time, using some methods, we showed that under the water-oxidation conditions and in the presence of cerium( iv ) ammonium nitrate, some manganese salts are converted to Mn oxide.
ISSN:1477-9226
1477-9234
DOI:10.1039/c7dt04143h