Oxygen-deficient MoO₃₋ₓ evoked synergistic photo-thermal catalytic CO₂ reduction over g-C₃N₄
Developing inexpensive co-catalysts for photo-thermal synergistic catalysis by artificially inducing active sites on non-noble metal compounds has drawn much attention recently. In this work, oxygen-deficient molybdenum oxide (MoO3−x) was in situ photodeposited on the surface of graphite-like carbon...
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| Main Authors: | , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/170157 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Developing inexpensive co-catalysts for photo-thermal synergistic catalysis by artificially inducing active sites on non-noble metal compounds has drawn much attention recently. In this work, oxygen-deficient molybdenum oxide (MoO3−x) was in situ photodeposited on the surface of graphite-like carbon nitride (g-C3N4) to tremendously improve its photocatalytic activity for CO2 conversion. A series of characterization analyses divulged that the MoO3−x not only promoted the separation of photo-generated charge carriers, but also served as the active sites for the adsorption and activation of CO2 molecules. More importantly, the oxygen-vacancy defect sites of MoO3−x can trigger localized surface plasmon resonance (LSPR) that enables effective harnessing of near-infrared (NIR) photons, promoting photo-thermal synergistic catalytic conversion of CO2 into value-added fuels through full solar spectrum harnessing. |
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