NDLI: Atomically-thin molybdenum nitride nanosheets with exposed active surface sites for efficient hydrogen evolution

Content Provider	Royal Society of Chemistry (RSC)
Author	Pan, Bicai Xie, Junfeng Zhang, Jiajia Zhang, Xiaodong Wang, Ruoxing Li, Shuang Zhang, Hao Xie, Yi
Copyright Year	2014
Abstract	Exploring efficient electrocatalysts for hydrogen production is one of the most promising pathways to face the energy crisis in the new century. Herein, we highlight metallic molybdenum nitride (MoN) nanosheets with atomic thickness as highly efficient platinum-free electrocatalysts for the hydrogen evolution reaction (HER). Theoretical calculations demonstrate that the atomically-thin MoN nanosheets show metallic behavior, which can effectively facilitate electron transport during the catalytic process. Structural analyses reveal that the surfaces of the atomically-thin MoN nanosheets are wholly comprised of apical Mo atoms, thus providing an ideal material prototype to reveal the role of Mo atoms during HER catalysis. Through detailed investigations of the HER activity, the active surface sites of the atomically-thin MoN nanosheets are identified, of which the surface Mo atoms can act as the active sites for transforming protons into hydrogen. This novel mechanism will not only broaden our vision on understanding the HER mechanism for other Mo-based electrocatalysts, but also benefit the exploration and optimization of advanced catalysts for future energy production.
Starting Page	4615
Ending Page	4620
Page Count	6
File Format	HTM / HTML PDF
ISSN	20416520
Volume Number	5
Issue Number	12
Journal	Chemical Science
DOI	10.1039/c4sc02019g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Energy crisis Hydrogen Nitride Molybdenum Mathematical optimization
Content Type	Text
Resource Type	Article
Subject	Chemistry

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