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첨단연성물질 연구단
첨단연성물질 연구단
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Nanostructured Rhenium–Carbon Composites as Hydrogen-Evolving Catalysts Effective over the Entire pH Range

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Title
Nanostructured Rhenium–Carbon Composites as Hydrogen-Evolving Catalysts Effective over the Entire pH Range
Author(s)
Minju Kim; Zhijie Yang; Jun Heuk Park; Seok Min Yoon; Bartosz A. Grzybowski
Publication Date
2019-05
Journal
ACS Applied Nano Materials, v.2, no.5, pp.2725 - 2733
Publisher
AMER CHEMICAL SOC
Abstract
In addition to platinum (Pt), many metals (e.g., Ru, Co, Mo, Ni, W, and Fe) and their complexes have been explored as catalysts for a hydrogen evolution reaction (HER). Although the position of relatively inexpensive rhenium (Re) on the so-called Sabatier plot suggests its usefulness in HER, the performance of Re catalysts have, so far, been quite disappointing. The present work describes synthesis and characterization of clusters comprised of rhenium nanoparticles held together by an amorphous-carbon phase. Unlike standard HER catalysts, these Re/C clusters are characterized by small overpotantials and Tafel slopes not only under acidic but also neutral and basic conditions. In addition, they exhibit excellent durability over the entire pH range. © 2019 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/7273
ISSN
2574-0970
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
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