Journal
CHEMICAL ENGINEERING JOURNAL
Volume 291, Issue -, Pages 39-46Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2016.01.032
Keywords
BiOI; Facet; Reduction; CO2; Solar fuel
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Funding
- National Natural Science Foundation of China [51502146, U1404506]
- Natural Science Foundation of Henan Department of Science Technology [142102210477]
- Natural Science Foundation of Henan Department of Education [14A150021]
- Natural Science Foundation of Nanyang Normal University [ZX2014039]
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We reported the facet controllable synthesis of BiOI nanosheets to expose {001} (BiOI-001) and {100} (BiOI-100) facets by adjusting reaction time of hydrothermal process. Photocatalytic results revealed the facet-dependent photocatalytic property for CO2 reduction on BiOI nanosheets. Photoluminescence (PL), photocurrent, UV-vis diffuse reflectance spectra (DRS), X-ray photoelectron spectroscopy (XPS), valence-band XPS spectra and theoretical calculation results revealed that BiOI-001 have better separation efficiency of photo-induced carriers and higher CB position. These positive factors resulted in the {001}-dependent photocatalytic activity of CO2 conversion on BiOI nanosheets. (C) 2016 Elsevier B.V. All rights reserved.
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