Facile preparation of Nb2O5/TiO2 heterostructures for photocatalytic application

Author(s)

Ucker, Catia Liane ; Riemke, Fabio ; Goetzke, Vitor ; Moreira, Mario Lucio ; Raubach, Cristiane Wienke ; Longo, Elson ; Cava, Sergio

• Document type: Journal article
• Source: CHEMICAL PHYSICS IMPACT; v. 4, p. 7-pg., 2022-06-01.

Abstract

Nb2O5/TiO2 heterostructure was prepared using the microwave-assisted hydrothermal method and characterized by different techniques. The sample was submitted to a photocatalytic degradation test using the discoloration of rhodamine B under UV-C irradiation for 90 min as a marker. Nb2O5/TiO2 showed an improvement in the photocatalytic benchmark compared to Nb2O5, to which it was possible to discolor 100% rhodamine B by essentially a 10% superior output. The samples showed good chemical stability after four different reuse cycles. In addition, the positive charges h(+) were distinguished as the active species that most influenced the photocatalytic performance of the material. (AU)

• FAPESP's process: 13/07296-2 - CDMF - Center for the Development of Functional Materials
• Grantee: Elson Longo da Silva
• Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC