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Issue 8, 2012
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Synthesis of highly crystalline In2Ge2O7(En) hybrid sub-nanowires with ultraviolet photoluminescence emissions and their selective photocatalytic reduction of CO2 into renewable fuel

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Abstract

A novel, highly crystalline indium germinate hybrid sub-nanowire, which we denote as In2Ge2O7(En) (En = ethylenediamine), with general diameters of 2–3 nm and lengths up to hundreds of nanometres was synthesized using a solvothermal route in a binary En/water solvent system. The hybrid ultrathin nanowire exhibits an ultraviolet photoluminescence emission, a dramatic blue shift by more than 100 nm relative to pure inorganic In2Ge2O7 nanowire and microtubes. The In2Ge2O7(En) ultrathin nanowire performs selectively the photocatalytic reduction of carbon dioxide (CO2) into carbon monoxide (CO) in the presence of water vapor. With reference to our Zn2GeO4 nanoribbon photocatalyst, which was recently used to produce CH4 under the same photocatalytic conditions, this work is a significant sign that the greenhouse gas, CO2, can be ameliorated into desirable kinds of renewable fuels using different germanate catalysts.

Graphical abstract: Synthesis of highly crystalline In2Ge2O7(En) hybrid sub-nanowires with ultraviolet photoluminescence emissions and their selective photocatalytic reduction of CO2 into renewable fuel

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Publication details

The article was received on 02 Feb 2012, accepted on 02 Feb 2012 and first published on 03 Feb 2012


Article type: Communication
DOI: 10.1039/C2RA20186K
RSC Adv., 2012,2, 3247-3250

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    Synthesis of highly crystalline In2Ge2O7(En) hybrid sub-nanowires with ultraviolet photoluminescence emissions and their selective photocatalytic reduction of CO2 into renewable fuel

    Q. Liu, Y. Zhou, Y. Ma and Z. Zou, RSC Adv., 2012, 2, 3247
    DOI: 10.1039/C2RA20186K

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