NDLI: Photoelectrochemical oxidation of hydrazine on TiO2 modified titanium electrode: its application for detection of hydrazine

Content Provider	Springer Nature Link
Author	Ojani, Reza Safshekan, Saeid Raoof, Jahan Bakhsh
Copyright Year	2013
Abstract	Despite extensive investigations on the photoelectrochemical properties of TiO2-based electrodes, it is surprising that no photoelectrochemical investigation has been done for the case of hydrazine oxidation. In this paper, TiO2 modified titanium (Ti/TiO2) electrode was fabricated by anodization process under a constant applied potential. The morphological and microstructural characterization of the Ti/TiO2 electrode was performed by scanning electron microscopy (SEM). The electrochemical and photoelectrochemical behavior of Ti/TiO2 electrode in the absence and presence of hydrazine was examined by cyclic voltammetry and linear sweep voltammetry. Experimental results indicated that the photocurrent response of photoelectrode was highly increased in the presence of hydrazine especially at lower potentials. It can be due to hole scavenging effect of hydrazine which decreases the recombination of photogenerated electrons and holes. Based on these perceptions, a simple photoelectrochemical sensor for detection of hydrazine was obtained. The sensor showed high reproducibility, stability, and selectivity properties. This photoelectrode was successfully applied for direct determination of hydrazine in tap water.
Starting Page	779
Ending Page	783
Page Count	5
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	18
Issue Number	3
e-ISSN	14330768
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Photoelectrochemical Ti/TiO2 Hydrazine Voltammetry Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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