Partially oxidized sub-10 nm MnO nanocrystals with high activity for water oxidation catalysis

Kyoungsuk Jin; Arim Chu; Jimin Park; Donghyuk Jeong; Sung Eun Jerng; Uk Sim; Hui Yun Jeong; Chan Woo Lee; Yong Sun Park; Ki Dong Yang; Gajendra Kumar Pradhan; Donghun Kim; Nark Eon Sung; Sun Hee Kim; Ki Tae Nam

doi:10.1038/srep10279

Partially oxidized sub-10 nm MnO nanocrystals with high activity for water oxidation catalysis

Kyoungsuk Jin, Arim Chu, Jimin Park, Donghyuk Jeong, Sung Eun Jerng, Uk Sim, Hui Yun Jeong, Chan Woo Lee, Yong Sun Park, Ki Dong Yang, Gajendra Kumar Pradhan, Donghun Kim, Nark Eon Sung, Sun Hee Kim, Ki Tae Nam^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

98 Citations (Scopus)

Abstract

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.

Original language	English
Article number	10279
Journal	Scientific reports
Volume	5
DOIs	https://doi.org/10.1038/srep10279
Publication status	Published - 2015 May 22
Externally published	Yes

Bibliographical note

Funding Information:
This research was supported the Global Frontier R&D Program of the Center for Multiscale Energy Systems funded by the National Research Foundation under the Ministry of Science, ICT & Future, Korea (0420-20130104), the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future(No.Grant Number: 2011-0011225), and the Fusion Research Program for Green Technologies through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future (2012M3C1A1048863) to K.T.N. and KBSI grant T35435 to S.H.K.

ASJC Scopus subject areas

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@article{635bb9bb939e428285762263ff28db27,

title = "Partially oxidized sub-10 nm MnO nanocrystals with high activity for water oxidation catalysis",

abstract = "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.",

author = "Kyoungsuk Jin and Arim Chu and Jimin Park and Donghyuk Jeong and Jerng, \{Sung Eun\} and Uk Sim and Jeong, \{Hui Yun\} and Lee, \{Chan Woo\} and Park, \{Yong Sun\} and Yang, \{Ki Dong\} and Pradhan, \{Gajendra Kumar\} and Donghun Kim and Sung, \{Nark Eon\} and Kim, \{Sun Hee\} and Nam, \{Ki Tae\}",

note = "Funding Information: This research was supported the Global Frontier R\&D Program of the Center for Multiscale Energy Systems funded by the National Research Foundation under the Ministry of Science, ICT \& Future, Korea (0420-20130104), the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT \& Future(No.Grant Number: 2011-0011225), and the Fusion Research Program for Green Technologies through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT \& Future (2012M3C1A1048863) to K.T.N. and KBSI grant T35435 to S.H.K.",

year = "2015",

month = may,

day = "22",

doi = "10.1038/srep10279",

language = "English",

volume = "5",

journal = "Scientific reports",

issn = "2045-2322",

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TY - JOUR

T1 - Partially oxidized sub-10 nm MnO nanocrystals with high activity for water oxidation catalysis

AU - Jin, Kyoungsuk

AU - Chu, Arim

AU - Park, Jimin

AU - Jeong, Donghyuk

AU - Jerng, Sung Eun

AU - Sim, Uk

AU - Jeong, Hui Yun

AU - Lee, Chan Woo

AU - Park, Yong Sun

AU - Yang, Ki Dong

AU - Pradhan, Gajendra Kumar

AU - Kim, Donghun

AU - Sung, Nark Eon

AU - Kim, Sun Hee

AU - Nam, Ki Tae

N1 - Funding Information: This research was supported the Global Frontier R&D Program of the Center for Multiscale Energy Systems funded by the National Research Foundation under the Ministry of Science, ICT & Future, Korea (0420-20130104), the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future(No.Grant Number: 2011-0011225), and the Fusion Research Program for Green Technologies through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future (2012M3C1A1048863) to K.T.N. and KBSI grant T35435 to S.H.K.

PY - 2015/5/22

Y1 - 2015/5/22

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84930225409

U2 - 10.1038/srep10279

DO - 10.1038/srep10279

M3 - Article

AN - SCOPUS:84930225409

SN - 2045-2322

VL - 5

JO - Scientific reports

JF - Scientific reports

M1 - 10279

ER -

Partially oxidized sub-10 nm MnO nanocrystals with high activity for water oxidation catalysis

Abstract

Bibliographical note

ASJC Scopus subject areas

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