TiO2-Graphene Quantum Dots Nanocomposites for Photocatalysis in Energy and Biomedical Applications

This review presents some important aspects of TiO2-graphene quantum dots nanocomposites as photocatalysts in energy and biomedical applications

Anuja Bokare; Sowbaranigha Chinnusamy; Folarin Erogbogbo


Scholarcy highlights

  • Accepted: 22 February 2021Smart and multifunctional materials are rapidly transforming the energy and biomedical fields
  • We present a survey of the synthesis aspects and photocatalytic mechanisms of the TiO2 -graphene quantum dots nanocomtimely survey of the synthesis aspects and photocatalytic mechanisms of the TiOof
  • The black GQDs-TiO2 was obtained through annealing treatment of graphene oxide quantum dot-TiO2 at 450 ◦ C in an argon stream for 1 h
  • The patterned FTO is cleaned by ultrasonication and rinsed with detergent, deionized water, ethanol, acetone, and isopropanol for 30 min, respectively
  • It is very likely that this study enables researchers across the world to become familiar with a simple, straightforward, and, an effective approach for improvements in the performance of photovoltaic devices, halide perovskites
  • The results showed significant enhancement in the formation of reactive oxygen species for the TiO2 -GQD nanocomposites under sunlight irradiation
  • Two additional peaks at around 1354 and 1600 cm−1 for the graphene structure are observed in the Raman spectrum of the graphene quantum dots-infilled TiO2, which can be assigned to disordered sp2 carbon and well-ordered graphite, respectively

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