Core-shell TiO2-x-CuyO microspheres for photogeneration of cyclic carbonates under simulated sunlight

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Abstract

Propylene carbonates are important organic solvents and feedstocks for different applications, including synthesis of polymers and Li-batteries. The generation of propylene carbonate utilising anthropogenic CO2 and renewable solar energy offers an alternative sustainable process with a closed loop carbon cycle. The development of microstructured photocatalysts with desired properties, including high degree of product selectivity, wide range of optical properties, and maximised conversion yield, plays an important role for effective production of propylene carbonate from CO2. A hierachical hollow core with a double shell of TiO2-x-Cu2O-CuO was fabricated using the versatile solvothermal-microwave synthesis method. The fabricated sample revealed effective cascading of photogenerated electrons and holes that promoted the conversion of propylene carbonate (i.e., 1.6 wt%) under 1 Sun irradiation.

Original languageEnglish
JournalNanoscale
Early online date4 Apr 2022
DOIs
Publication statusE-pub ahead of print - 4 Apr 2022

ASJC Scopus subject areas

  • Materials Science(all)

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