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Author(s): Marta Pedrosa
Maria J. Sampaio
Tajana Horvat
Olga C. Nunes
Goran Dražic
Alírio E. Rodrigues
José L. Figueiredo
Cláudia G Silva
Adrián M. T. Silva
Joaquim L. Faria
Title: Visible-light-induced self-cleaning functional fabrics using graphene oxide/carbon nitride materials
Issue Date: 2019
Abstract: Functional cotton fabrics consisting of neat polymeric carbon nitride (CN) combined with graphene oxide (GO) were prepared by a simple impregnation route. The CN-based coated fabrics were characterized by several techniques. The self-cleaning efficiency of these hybrid fabrics was assessed in the photocatalytic degradation of caffeine and rhodamine B (RhB) in aqueous solutions under visible light-emitting diodes (LEDs). It was demonstrated that GO, even if present at a low % v/v(0.1%), confers to the coated fabrics higher photocatalytic efficiency for degradation of both organic pollutants in comparison with CN coated fabrics. The photoluminescence quenching observed on coated GO/CN fabrics suggests an electron transfer between the CN and GO phases. In general, both coated CN and GO/CN fabrics show high stability after three uses with intensive washes between each run. The antibacterial activity against Escherichia coli using CN and GO/CN colloids was assessed. Results showed > 99.2% of E. coli inactivation with CN-based colloids activated by visible radiation.
Related Information: info:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Investigador FCT/IF/00514/2014/CP1249/CT0004/Desafiando a síntese em química fina: uma nova abordagem utilizando fotocatalisadores isentos de metais/IF/00514/2014/CP1249/CT0004
info:eu-repo/grantAgreement/Comissão de Coordenação e Desenvolvimento Regional do Norte/P2020|Norte2020-Projetos Integrados ICDT/NORTE-01-0145-FEDER-000006/Advanced Industrial Processes and Materials for a Sustainable North Region of Portugal2020/AIProcMat@N2020
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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