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Facile Fabrication of Highly‐Dispersed Nickel Nanoparticles with Largely Enhanced Electrocatalytic Activity
Author(s) -
Kong Xianggui,
Zhao Jingwen,
Shi Wenying,
Wei Min
Publication year - 2013
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300127
Subject(s) - nial , nickel , materials science , hydroxide , nanoparticle , x ray photoelectron spectroscopy , nanocomposite , selectivity , chemical engineering , detection limit , electrode , dispersion (optics) , fabrication , non blocking i/o , inorganic chemistry , catalysis , nanotechnology , metallurgy , chemistry , chromatography , organic chemistry , physics , alloy , optics , engineering , intermetallic , medicine , alternative medicine , pathology
Supported nickel nanoparticles with high dispersion have been prepared by partial reduction of NiAl‐layered double hydroxide (NiAl‐LDH) precursors, which exhibit significant electrocatalytic behavior towards glucose. XRD and XPS results confirm that the nickel nanoparticles are successfully synthesized. TEM images reveal that the nickel nanoparticles are highly dispersed in the NiAl‐LDH matrix with a size of 6±0.3 nm. The resulting nanocomposite modified electrode displays significant electrocatalytic performance to glucose with a broad linear response range (8.0×10 −5 –2.0×10 −3 M), low detection limit (3.6 µM), high sensitivity (339.2 µA/mM), selectivity and excellent reproducibility as well as repeatability.