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Homogeneous Cobalt/...
Homogeneous Cobalt/Vanadium Complexes as Precursors for Functionalized Mixed Oxides in Visible-Light-Driven Water Oxidation
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- Pavliuk, Mariia V. (författare)
- Uppsala universitet,Fysikalisk kemi,Taras Shevchenko Natl Univ Kyiv, Dept Inorgan Chem, Volodymyrska St 64-13, UA-01601 Kiev, Ukraine
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- Mijangos, Edgar (författare)
- Uppsala universitet,Molekylär biomimetik
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- Makhankova, Valeriya G. (författare)
- Taras Shevchenko Natl Univ Kyiv, Dept Inorgan Chem, Volodymyrska St 64-13, UA-01601 Kiev, Ukraine
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- Kokozay, Vladimir N. (författare)
- Taras Shevchenko Natl Univ Kyiv, Dept Inorgan Chem, Volodymyrska St 64-13, UA-01601 Kiev, Ukraine
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- Pullen, Sonja (författare)
- Uppsala universitet,Molekylär biomimetik
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- Liu, Jia (författare)
- Uppsala universitet,Strukturkemi
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- Zhu, Jie-Fang (författare)
- Uppsala universitet,Strukturkemi
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- Styring, Stenbjörn (författare)
- Uppsala universitet,Molekylär biomimetik
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- Thapper, Anders (författare)
- Uppsala universitet,Molekylär biomimetik
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(creator_code:org_t)
- 2016-09-30
- 2016
- Engelska.
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Ingår i: ChemSusChem. - : Wiley. - 1864-5631 .- 1864-564X. ; 9:20, s. 2957-2966
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The heterometallic complexes (NH4)2[Co(H2O)6]2[V10O28]·4H2O (1) and (NH4)2[Co(H2O)5(β-HAla)]2[V10O28]·4H2O (2) have been synthesized and used for the preparation of mixed oxides as catalysts for water oxidation. Thermal decomposition of 1 and 2 at relatively low temperatures (<500 °C) leads to the formation of the solid mixed oxides CoV2O6/V2O5 (3) and Co2V2O7/V2O5 (4). The complexes (1, 2) and heterogeneous materials (3, 4) act as catalysts for photoinduced water oxidation. A modification of the thermal decomposition procedure allowed the deposition of mixed metal oxides (MMO) on a mesoporous TiO2 film. The electrodes containing Co/V MMOs in TiO2 films were used for electrocatalytic water oxidation and showed good stability and sustained anodic currents of about 5 mA cm−2 at 1.72 V versus relative hydrogen electrode (RHE). This method of functionalizing TiO2 films with MMOs at relatively low temperatures (<500 °C) can be used to produce other oxides with different functionality for applications in, for example, artificial photosynthesis.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Nyckelord
- cobalt
- heterogeneous catalysis
- mixed oxides
- synthesis design
- water oxidation
- Kemi med inriktning mot molekylär biomimetik
- Chemistry with specialization in Molecular Biomimetics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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