Journal
ACS APPLIED NANO MATERIALS
Volume 2, Issue 2, Pages 1027-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.8b02310
Keywords
photocatalytic H-2 generation; carbon quantum dots; heterogeneous nanohybrids; charge separation dynamics; visible-light illumination
Funding
- National Natural Science Foundation of China [201801250]
- National Science Foundation [DMR-1654140]
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We report a facile synthesis of carbon quantum dot (CQD)-sensitized TiO2/Pt nanocomposites as efficient and robust photocatalysts for light-driven proton reduction from water. We show that this method not only simplifies the synthetic procedure for such hybrid materials but also enhances the direct interaction between CQDs and TiO2, which facilitates charge transfer from CQDs to TiO2 and eventually improves its performance for light-driven H-2 generation. To the best of our knowledge, this work represents the system with highest H-2 generation efficiency among all CQD-sensitized materials.
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