Using rice husk ash as a SiO2 source in the preparation of SiO2/Nb2O5 and SiO2/ZnS heterostructures for photocatalytic application. - Ücker, Cátia Liane; Almeida, Suelen Rodrigues; Maron, Guilherme Kurz; Carreno, Neftali Lenin Villarreal; Morisso, Fernando Dal Pont; da Silva Cava, Sergio; Raubach, Cristiane Wienke (Environmental Science & Pollution Research, 2023)