Sulfated tin oxide with macro- and mesopores controlled using an integrated sol-gel and surfactant template route - Alves-Rosa, Marinalva Aparecida; Vasconcellos, Jonatas Z.; Vieira, Luiz Henrique; Santilli, Celso Valentim; Pulcinelli, Sandra Helena (Colloids and Surfaces A-Physicochemical and Engineering Aspects, 2019)