Mesoporous Nickel Electrode for the Detection of Alcohol

Autor:	Jiin-Jiang Jow, Thong-Yueh Lin, Tzong-Rong Ling, Kuang-Te Lien
Rok vydání:	2009
Předmět:	Materials science Inorganic chemistry chemistry.chemical_element Alcohol Electrolyte Surface finish Amperometry Analytical Chemistry chemistry.chemical_compound Nickel electrode Nickel chemistry Electrode Electrochemistry Mesoporous material
Zdroj:	Electroanalysis. 21:2213-2219
ISSN:	1521-4109 1040-0397
DOI:	10.1002/elan.200804652
Popis:	Mesoporous nickel electrodes have been shown to be excellent amperometric sensors for alcohol detection over a wide-range of concentrations. At a higher electrolyte concentrations (NaOH, 4 M), the electrodes exhibited a remarkably higher sensitivity (1072.7 μA mM−1 cm−2) than conventional nickel based electrodes, within an alcohol concentration range 0.5–3 M. Additionally, electrodeposited Ni electrodes formed with Brij 56 as a template, have significantly higher roughness than similar electrodes made without template. Higher roughness factors correlated with higher sensitivities for alcohol sensing, but needed longer times to remove the template from the Ni film.
Databáze:	OpenAIRE
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