Enhancing the solar water splitting activity of TiO2 nanotube-array photoanode by surface coating with La-doped SrTiO3 - Lucas, Thalles Thadeu Assunção; Melo Junior, Mauricio Alves de; Freitas, André L. M.; Souza, Flavio Leandro; Gonçalves, Renato Vitalino (Solar Energy Materials and Solar Cells, 2020)