Navegando por Autor "Fernandez, Fernando Ferreira"
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Artigo Development of ZnO/PDMS nanocomposite with photocatalytic/ hydrophobic multifunction(Chemical Physics Letters, 2020-02) Nascimento, Maria Carolina Burgos Costa do; Santiago, Anderson de Azevedo Gomes; Gondima, Juliane Germano de Souza; Tranquilin, Ricardo Luis; Silva, Fabio S. da; Fernandez, Fernando Ferreira; Motta, Fabiana Villela da; Delmonte, Maurício Roberto BomioThe polydimethylsiloxane (PDMS)/ZnO nanocomposite coatings were deposited on the borosilicate substrate by spray method. ZnO nanoparticles were synthesized by polyol method and further surface modification by functionalization with [(3-Aminopropyl)triethoxysilane] (APTS) in different concentrations (0.5, 1.0, and 1.5 ml). The results showed that there is an influence in the exposure to UV radiation and a decrease in the temperature, consequently presenting decreases in the contact angle of ZnO/PDMS nanocomposites. The 0.5 ml of APTS was the best design for ZnO/PDMS nanocomposite with photocatalytic and hydrophobic characteristics, showing a contact angle of 117° and 25% of MB discoloration in 90 min