The effective role of ascorbic acid in the photoelectrocatalytic reduction of CO2 preconcentrated on TiO2 nanotubes modified by ZIF-8 - Cardoso, Juliano Carvalho; Stulp, Simone; De-Souza, Marcos K.R.; Hudari, Felipe F.; Gubiani, Juliana Regina; Frem, Regina Célia Galvão; Zanoni, Maria Valnice Boldrin (Journal of Electroanalytical Chemistry, 2020)