Journal
ELECTROCHIMICA ACTA
Volume 55, Issue 24, Pages 7204-7210Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.07.053
Keywords
Porous-TiO2; Nano-Au; Hydrazine
Categories
Funding
- National Natural Science Foundation of China [20901003]
- Natural Science Foundation of Anhui [KJ2009B013Z, KJ2008B167]
- Anhui Key Laboratory of Controllable Chemistry Reaction & Material Chemical Engineering [OFCC0905]
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The fabrication of Nano-Au/Porous-TiO2 composite modified glassy carbon electrode (GCE) and its application in the determination of hydrazine were proposed. The morphological characterization was examined by transmission electron microscope and scanning electron microscopy The Nano-Au/Porous-TiO2/GCE exhibited a wide linear range of hydrazine from 2.5 to 500 mu M, with a detection limit of 05 mu M at a signal-to-noise ratio of 3 and with a fast response time (within 3 s) Furthermore, the reaction mechanism of the hydrazine on the Nano-Au/Porous-TiO2/GCE was explored The ease of fabrication, high stability, and low cost of the modified electrode are the promising features of the proposed sensor. (C) 2010 Elsevier Ltd. All rights reserved
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