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  • In-situ photoelectrochemical study of adsorption of phthalate and water on titania.

    Author(s)
    Zhang, Shanqing
    Wen, William
    Zhao, Huijun
    Griffith University Author(s)
    Zhao, Huijun
    Wen, William Y.
    Year published
    2007
    Metadata
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    Abstract
    An ex-situ adsorption measurement method based on photoelectrochem. oxidn. principle has been was developed. The ex-situ adsorption method involves a washing step for the titania surface after the adsorption step. In this work, an in-situ photoelectrochem. detn. of adsorption of org. compds. and water on titania is developed. By eliminating the washing step after adsorption, this proposed in-situ method is capable to study the adsorption behavior in an extremely small time scale (e.g., < 1s). To our knowledge, this has not been achieved in the literature. The proposed method can directly quantify the amt. of adsorbates ...
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    An ex-situ adsorption measurement method based on photoelectrochem. oxidn. principle has been was developed. The ex-situ adsorption method involves a washing step for the titania surface after the adsorption step. In this work, an in-situ photoelectrochem. detn. of adsorption of org. compds. and water on titania is developed. By eliminating the washing step after adsorption, this proposed in-situ method is capable to study the adsorption behavior in an extremely small time scale (e.g., < 1s). To our knowledge, this has not been achieved in the literature. The proposed method can directly quantify the amt. of adsorbates at a titania surface in a sensitive, reproducible and accurate manner. The adsorption of phthalic acid was studied as a test case. The relationship between the adsorption amt. at the titania surface and the concn. of phthalic acid in the soln. was obtained.
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    Conference Title
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY
    Volume
    233
    Issue
    1
    Publication URI
    http://hdl.handle.net/10072/18065
    Collection
    • Conference outputs

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