Journal
MRS COMMUNICATIONS
Volume 8, Issue 1, Pages 137-144Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrc.2018.7
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Funding
- San Jose State University's Research, Service and Creative Activity Grant Awards
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Different sized graphene quantum dots (GQDs) have been synthesized by an inexpensive wet chemical method using bird charcoal as a precursor. Obtained GQDs found to have luminescence and visible light absorption. These GQDs are further coupled with titanium dioxide (TiO2) to form TiO2-GQDs nanocomposites. GQD nanostructures exhibit band gap tunability and have the potential to enhance the photoabsorption in TiO2. The hybrid combination of the nanomaterials decrease the recombination of charge carriers, increase charge carrier mobility, and improve the overall photoconversion efficiency. The composites exhibit higher photocatalytic activity and rate constants value than pure TiO2.
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