Photoanodic and photocathodic behaviour of La5Ti2CuS5O7 electrodes in the water splitting reaction† †Electronic supplementary information (ESI) available: Power spectra of light source, preparation process and SEM images of LTC, schematic of the PT method, UV photoelectron spectroscopy, parameters for calculation, and other experimental procedures. See DOI: 10.1039/c5sc01344e Click here for additional data file.

Department of Chemical System Engineerin Bunkyo-ku, Tokyo 113-8656, Japan. E-ma +81-3-5841-8838; Tel: +81-3-5841-1148 Japan Technological Research Association Process (ARPChem), 5-1-5 Kashiwanoha, Ka National Institute of Advanced Industrial Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 3 Department of Chemical System Engine Kashiwanoha, Kashiwa-shi, Chiba 277-8589 † Electronic supplementary information source, preparation process and SEM i method, UV photoelectron spectroscopy, experimental procedures. See DOI: 10.103 Cite this: Chem. Sci., 2015, 6, 4513