期刊
ELECTROANALYSIS
卷 22, 期 9, 页码 912-917出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900547
关键词
Nickel; Carbon nanotubes; Electrochemistry; Amines; Ammonia
资金
- Syngenta
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 mu m 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 mu g 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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