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  • A Combined Photoelectrochemical and Theoretical Study to Understand Adsorption Properties of Organic Molecules on TiO2 Surfaces

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    Sun_2015_02Thesis.pdf (14.34Mb)
    Author(s)
    Sun, Tao
    Primary Supervisor
    Zhao, HuiJun
    Other Supervisors
    Zhang, Haimin
    Wang, Yun
    Year published
    2015
    Metadata
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    Abstract
    Titanium dioxide (TiO2) has been widely used in industry as a photocatalyst due to its superior photoactivity, high photo- and chemical-stability, non-toxicity, abundance, and low cost. Many of its applications in clean energy generation and environmental remediation involve interactions between organic species and TiO2 materials. Such interactions not only depend on the intrinsic properties of TiO2, but also on its surfaces structure. Specifically, the capacity of the TiO2 surface to adsorb organic species is vital for TiO2 photocatalytical performance. Understanding the adsorption properties of organic compounds on various ...
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    Titanium dioxide (TiO2) has been widely used in industry as a photocatalyst due to its superior photoactivity, high photo- and chemical-stability, non-toxicity, abundance, and low cost. Many of its applications in clean energy generation and environmental remediation involve interactions between organic species and TiO2 materials. Such interactions not only depend on the intrinsic properties of TiO2, but also on its surfaces structure. Specifically, the capacity of the TiO2 surface to adsorb organic species is vital for TiO2 photocatalytical performance. Understanding the adsorption properties of organic compounds on various crystalline TiO2 surfaces is essential for further technological development. In this project, theoretical studies initially demonstrated that TiO2 is the most photoactive all Ti-O based materials. A combined photoelectrochemical (PEC) and theoretical study was conducted to understand the adsorption properties of organic molecules on anatase (001) and rutile (111) TiO2 surfaces. PEC measurements can provide quantitative thermodynamic and kinetic information on the adsorption properties of organic species on the TiO2 surface under operational, practical conditions. The theoretical studies provide further information on interactions at the atomic level.
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    Thesis Type
    Thesis (PhD Doctorate)
    Degree Program
    Doctor of Philosophy (PhD)
    School
    Griffith School of Environment
    DOI
    https://doi.org/10.25904/1912/2314
    Copyright Statement
    The author owns the copyright in this thesis, unless stated otherwise.
    Item Access Status
    Public
    Note
    In order to comply with copyright Chapters 4 and 6 have not been published here.
    Subject
    Titanium dioxide (TiO2)
    Adsorption Properties of Organic Molecules
    Publication URI
    http://hdl.handle.net/10072/366761
    Collection
    • Theses - Higher Degree by Research

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