journal article·2014-05

Preparation and characterization of titania- and organo-pillared clay hybrid photocatalysts capable of oxidizing aqueous bisphenol A under visible light

Ryo Sasai, Reo Watanabe, Takuya Yamada

Applied Clay Science· Volume 93-94
Publisher page

Abstract

Abstract To develop solid material with both higher adsorption capacities for toxic organic compounds and effective photocatalytic oxidation ability for toxic organic compounds under visible-light irradiation, we attempted to hybridize cationic Cu-phthalocyanine derivatives (PABI) as photosensitizers with cetyltrimethylammonium/montmorillonite (CTA/Mt) containing TiO2 nanocrystals, and investigated both adsorption and photocatalytic abilities of prepared hybrid solid material for bis-phenol A (BPA) dissolved in aqueous media, which was one of endocrine disrupting chemicals. The prepared hybrid solid material could adsorb sufficient amount of BPA dissolved in aqueous media by hydrophobic interaction between BPAs and interlayer space of CTA/Mt. Moreover, it was found that the present hybrid solid material could photocatalytically decompose BPA molecules adsorbed within hybrid solid material under UV and/or visible light irradiation, and then, final products were CO2, H2O, and so on.
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Research context

OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Pharmaceutical and Antibiotic Environmental Impacts · Chemistry and Chemical Engineering

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