Influence of microwave-assisted hydrothermal treatment time on the crystallinity, morphology and optical properties of ZnWO4 nanoparticles: photocatalytic activity - Andrade Neto, N. F.; Nunes, T. B. O.; Siu Li, Máximo; Longo, E.; Bomio, M. R. D.; Motta, F. V. (Ceramics International, 2020)