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Single‐Crystalline Mesoporous Molybdenum Nitride Nanowires with Improved Electrochemical Properties
Author(s) -
Lee KyungHoon,
Lee YoungWoo,
Ko ARa,
Cao Guozhong,
Park KyungWon
Publication year - 2013
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.12096
Subject(s) - mesoporous material , nanowire , molybdenum , materials science , nitride , transmission electron microscopy , chemical engineering , specific surface area , nanotechnology , chemistry , metallurgy , catalysis , layer (electronics) , biochemistry , engineering
We report single‐crystalline mesoporous molybdenum nitride nanowires (meso‐ Mo 3 N 2 ‐ NW s) prepared by topotactic reaction using single‐crystalline molybdenum oxide nanowires. The single‐crystalline nature of meso‐ Mo 3 N 2 ‐ NW s was clearly observed by field‐emission transmission electron microscopy. The meso‐ Mo 3 N 2 ‐ NW s exhibited mesoporous structure with ∼45 m 2 /g in specific surface area and ∼4.6 nm in average pore size confirmed by a nitrogen sorption measurement. Due to high specific surface area and mesoporous structure, meso‐ Mo 3 N 2 ‐ NW s showed much higher specific capacitance and excellent charging–discharging performance as compared with Mo 3 N 2 prepared using conventional nitridation process.