Electroanalytical Detection of  n ‐Butylamine at a Nickel/Carbon Nanotube Composite | Zendy

Panchompoo Janjira | Zendy; Aldous Leigh | Zendy; Xiao Lei | Zendy; Compton Richard G. | Zendy

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Electroanalytical Detection of n ‐Butylamine at a Nickel/Carbon Nanotube Composite

Author(s) -

Panchompoo Janjira,

Aldous Leigh,

Xiao Lei,

Compton Richard G.

Publication year - 2010

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.200900547

Subject(s) - nickel , composite number , materials science , carbon nanotube , scanning electron microscope , electrode , electrochemistry , butylamine , chemical engineering , nanotechnology , inorganic chemistry , composite material , chemistry , metallurgy , organic chemistry , amine gas treating , engineering

We report the electroanalytical detection of n ‐butylamine at a nickel/carbon nanotube (Ni/CNT) composite. Scanning Electron Microscopy (SEM) characterisation of the composite demonstrated that it consisted of bulk nickel particles ca. 2 μm in diameter entangled in CNT bundles. The spontaneous formation of Ni(OH) 2 was optimised, and comparison with a 3 mm nickel electrode showed that ca. 4 μg of the Ni/CNT composite cast on a 3 mm GC electrode possessed bulk nickel characteristics while also having higher activity and higher sensitivity towards the electrochemical detection of n ‐butylamine. However, the Ni/CNT composite showed no response to ammonia, in contrast to the macro‐nickel‐electrode.

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