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In order to achieve a selective removal of specific pesticides from water, we synthesized, through the sol-gel technique, molecularly imprinted TiO2 photocatalysts with the only use of the standard reactants for the TiO2 sol-gel synthesis together with the pesticide molecules, without any addition of further reactants, supports or matrices. It is a new, easy, smart and scalable method that avoid the multistep and solvent-consuming procedures, typical of the molecular imprinting. Two widely-used pesticides, i.e. the herbicide 2,4D, and the insecticide imidacloprid, were chosen as template for the molecular imprinting and as contaminants target for the photocatalytic tests. A remarkable enhancement of the photocatalytic activity was verified with the TiO2 imprinted with the corresponding pesticide-target. The selectivity of the photodegradation process was verified thanks to the comparison with the degradation of pesticides …
Publication date: 
20 Jul 2019

Roberto Fiorenza, Alessandro Di Mauro, Maria Cantarella, Carmelo Iaria, Elena Maria Scalisi, Maria Violetta Brundo, Antonino Gulino, Luca Spitaleri, Giuseppe Nicotra, Sandro Dattilo, Sabrina Carola Carroccio, Vittorio Privitera, Giuliana Impellizzeri

Biblio References: 
Pages: 122309
Chemical Engineering Journal