Abstract
Solvothermal production of large surface area, dendritic CaTiO3 crystals exhibiting enhanced photocatalytic activity is facilitated through careful control of the volume ratio of water and ethanol in high pH (≥12) samples. The study was performed without the use of templates or surfactants. Results show the volume ratio of water and ethanol had significant effect on sample morphosynthesis. Depending on solvent ratios, results ranged from imperfect dendrites, to four-arm petal-like dendrites, four-arm dendrites mixed with butterfly-like dendrites, and regular and aggregated prisms. Results show the four-arm dendritic sample exhibiting superior photocatalytic activity arising from a unique morphology and large surface area capable of enhanced light harvesting.
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