In situ photoelectrochemical measurement of phthalic acid on titania
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Author(s)
Zhang, Shanqing
Wen, William
Zhang, Hongzhong
Zhao, Huijun
Year published
2009
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An in situ photoelectrochem. method is proposed to det. adsorbed phthalic acid (PA) on the TiO2 surface in a sensitive, reproducible and accurate manner. The pre-adsorbed PA in the dark and the diffused PA from org. soln. can be mineralized simultaneously under UV illumination due to the strong UV-induced oxidn. power of TiO2. By controlling the UV illumination, the amt. of adsorbed PA on TiO2 surface was detd. in the presence of PA in a small time scale (e.g., seconds), eliminating the washing step after the adsorption reaction. This provides a convenient and effective alternative to study adsorption behavior in low ...
View more >An in situ photoelectrochem. method is proposed to det. adsorbed phthalic acid (PA) on the TiO2 surface in a sensitive, reproducible and accurate manner. The pre-adsorbed PA in the dark and the diffused PA from org. soln. can be mineralized simultaneously under UV illumination due to the strong UV-induced oxidn. power of TiO2. By controlling the UV illumination, the amt. of adsorbed PA on TiO2 surface was detd. in the presence of PA in a small time scale (e.g., seconds), eliminating the washing step after the adsorption reaction. This provides a convenient and effective alternative to study adsorption behavior in low concns. on TiO2. The proposed method was applied to det. the adsorption equil. const. of PA.
View less >
View more >An in situ photoelectrochem. method is proposed to det. adsorbed phthalic acid (PA) on the TiO2 surface in a sensitive, reproducible and accurate manner. The pre-adsorbed PA in the dark and the diffused PA from org. soln. can be mineralized simultaneously under UV illumination due to the strong UV-induced oxidn. power of TiO2. By controlling the UV illumination, the amt. of adsorbed PA on TiO2 surface was detd. in the presence of PA in a small time scale (e.g., seconds), eliminating the washing step after the adsorption reaction. This provides a convenient and effective alternative to study adsorption behavior in low concns. on TiO2. The proposed method was applied to det. the adsorption equil. const. of PA.
View less >
Journal Title
Journal of Photochemistry and Photobiology A: Chemistry
Volume
208
Issue
2-3
Copyright Statement
© 2009 Elsevier B.V.. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Subject
Chemical sciences
Colloid and surface chemistry
Electrochemistry
Transport properties and non-equilibrium processes
Biological sciences
Engineering