Insight of Diversified Reactivity and Theoretical Study of Mixed-Phase Titanium Dioxide for the Photoactivation of Small Molecules

Joshua O. Olowoyo, Norge Cruz Hernández, Manoj Kumar, Suman L. Jain, Jonathan O. Babalola, Umesh Kumar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The mixed-phase titanium dioxide (TiO2) nanoparticles were prepared by two different methods; sonothermal (S) and sonothermal followed by hydrothermal (SH). The TiO2 prepared by SH has shown a superior hydrogen (H2) generation via photocatalytic splitting of water (H2O) and formic acid (FA) as well as photocatalytic reduction of carbon dioxide (CO2) to methanol (MeOH). The H2 production rate under UVA from H2O and FA was 0.02 and 3.91 mmol g−1 h−1 respectively while MeOH formation rate was 1.97 mmol g−1 h−1 from CO2. The DFT calculations of the reactants and products were also investigated.

Original languageEnglish
Pages (from-to)3659-3663
Number of pages5
JournalChemistrySelect
Volume3
Issue number13
DOIs
Publication statusPublished - 9 Apr 2018
Externally publishedYes

Keywords

  • Adsorption energy
  • DFT Calculations
  • Photoactivation
  • Photocatalysis
  • TiO

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