Photocatalytic activity of Nb heterostructure (NaNbO3/Na2Nb4O11) and Nb/ clay materials in the degradation of organic compounds - Asencios, Yvan Jesus Olortiga; Quijo, Marcella V.; Marcos, Francielle Candian Firmino; Nogueira, André Esteves; Rocca, Rene Rojas; Assaf, Elisabete Moreira (Solar Energy, 2019)