Partially Oxidized Sub-10 nm MnO Nanocrystals with High Activity for Water Oxidation Catalysis
- Partially Oxidized Sub-10 nm MnO Nanocrystals with High Activity for Water Oxidation Catalysis
- 진경석; 추아림; 박지민; 정동혁; 정성은; 심욱; 정희윤; 이찬우; 박용선; 양기동; 푸르단 가젠드라; 김동훈; 성낙언; 김선희; 남기태
- Issue Date
- Scientific Reports
- VOL 5, 10279
- The oxygen evolution reaction (OER) is considered a major bottleneck in the overall water electrolysis process. In this work, highly active manganese oxide nano-catalysts were synthesized via hot injection. Facile surface treatment generated Mn(III) species on monodisperse 10 nm MnO nanocrystals (NCs). Size dependency of MnO NCs on OER activity was also investigated. Surprisingly, the partially oxidized MnO NCs only required 530 mV @ 5 mA cm(-2) under near neutral conditions
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