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    Biomimetic polymeric semiconductor based hybrid nanosystems for artificial photosynthesis towards solar fuels generation via CO<inf>2</inf> reduction

    Access Status
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    Authors
    Zhou, H.
    Li, P.
    Liu, Jian
    Chen, Z.
    Liu, L.
    Dontsova, D.
    Yan, R.
    Fan, T.
    Zhang, D.
    Ye, J.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhou, H. and Li, P. and Liu, J. and Chen, Z. and Liu, L. and Dontsova, D. and Yan, R. et al. 2016. Biomimetic polymeric semiconductor based hybrid nanosystems for artificial photosynthesis towards solar fuels generation via CO<inf>2</inf> reduction. Nano Energy. 25: pp. 128-135.
    Source Title
    Nano Energy
    DOI
    10.1016/j.nanoen.2016.04.049
    ISSN
    2211-2855
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/73154
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Elsevier Ltd. In photosynthesis, an intricate polymeric system is constructed by connecting a light-harvesting antenna network, a molecular water oxidation center, and CO2 or proton-reduction machinery in a nanolayered architecture as a basic photosynthetic unit for solar-to-fuels conversion. Herein, we present a prototype basic artificial photosynthetic unit by connecting a typical CO2/proton reduction catalyst, a cocatalyst and an electron mediator as well as CO2 activator into a polymer based nano-architectured system for artificial photosynthesis with water and CO2. Here, g-C3N4 nanosheets, mimicking the nanolayered thylakoids stacks are demonstrated as promising photocatalytic elements with planar configuration and high surface area, which provide an excellent platform for the assembly of other analogous elements. Au NPs are served as a suitable cocatalyst. ZIF-9, as a typical cofactor to illustrate this concept here, is used as a CO2 concentrator and an electron mediator to promote the redox reaction. In artificial photosynthesis, driven by light energy, water and CO2 are served electron donor and carbon source respectively for the generation of H2 and CO. The artificial unit described here as a simple model, provides an important biomimetic step down a path aligned with the low-cost artificial photosynthetic systems manufacturing.

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