Heidari, Sima Najafpour, Mohammad Mahdi Holynska, Malgorzata Singh, Jitendra Pal Chae, Keun Hwa Khatamian, Masoumeh 2024-01-19T23:31:24Z 2024-01-19T23:31:24Z 2021-08-31 2018-02-07 1477-9226 https://pubs.kist.re.kr/handle/201004/121712 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 MnCO3, MnWO4, Mn-3(PO4)(2) center dot 3H(2)O, MnS and Mn(VO3)(2)center dot xH(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. English ROYAL SOC CHEMISTRY OXYGEN EVOLUTION DIMANGANESE COMPLEX OXIDE CATALYSIS TRANSFORMATION STABILITY INSIGHTS Water oxidation by simple manganese salts in the presence of cerium(IV) ammonium nitrate: towards a complete picture Article 10.1039/c7dt04143h 1 DALTON TRANSACTIONS, v.47, no.5, pp.1557 - 1565 DALTON TRANSACTIONS 47 5 1557 1565 scie scopus 000423760500024 2-s2.0-85041288819 Chemistry, Inorganic & Nuclear Chemistry Article OXYGEN EVOLUTION DIMANGANESE COMPLEX OXIDE CATALYSIS TRANSFORMATION STABILITY INSIGHTS water-oxidizing catalyst Mn oxide X-ray absorption spectroscopy