Table S1. Photoelectrochemical performance and durability of hematite reported in literature. Photocurrent Morphology Technique density Stability Reference (Method) (mA cm-2)a Mesoporous Ti and Sn co-doping 1.4 - [] (Anodic electrodeposition) Nanorods Hematite core-shell 1.2 - [] (hydrothermal) Nanorods Ti surface treatment 2.0 ~2 h [] (hydrothermal) Nanorods Sn surface treatment 2.25 - [] (hydrothermal) Sn (or Ti) surface Colloidal nanoparticles treatment and Co-Pi 1.1 - [] (Electrophoretic) catalyst deposition Nanorods Ti doping and Al 1.3 - [] (hydrothermal) surface treatment Nanorods TiO2 shell by PECVD 0.9b ~10 h [] (hydrothermal) Mesoporous Zn and Ti co-doping 1.5 - [] (Cathodic electrodeposition) Cauliflower-like structure Al2O3 (or TiO2) 2.3 ~1 h [] (APCVD) overlayer by ALD Ti surface treatment Nanowire nanostructures and cobalt ion 0.7 - [] (Doctor blading) treatment Sn doping and Nb Mesoporous surface treatment, 2.0 ~24 h this study (Cathodic electrodeposition) cobalt ion treatment aAll photocurrents were measured at 1.23 V vs. RHE under AM 1.5 condition (100 mW bObtained at E = 1.6 V vs. RHE Figure S1. (a) XRD patterns of Sn-H/Nb samples without and with Co2+-treatment and (b) deconvolution of XPS Co 2p bands.
Table S1. Photoelectrochemical performance and durability of hematite reported in literature. Morphology (Method) Technique Photocurrent density (mA cm-2)a Stability Reference Mesoporous (Anodic electrodeposition) Ti and Sn co-doping 1.4 - [] Nanorods (hydrothermal) Hematite core-shell 1.2 - [] Nanorods (hydrothermal) Ti surface treatment 2.0 ~2 h [] Nanorods (hydrothermal) Sn surface treatment 2.25 - [] Colloidal nanoparticles (Electrophoretic) Sn (or Ti) surface treatment and Co-Pi catalyst deposition 1.1 - [] Nanorods (hydrothermal) Ti doping and Al surface treatment 1.3 - [] Nanorods (hydrothermal) TiO2 shell by PECVD 0.9b ~10 h [] Mesoporous (Cathodic electrodeposition) Zn and Ti co-doping 1.5 - [] Cauliflower-like structure (APCVD) Al2O3 (or TiO2) overlayer by ALD 2.3 ~1 h [] Nanowire nanostructures (Doctor blading) Ti surface treatment and cobalt ion treatment 0.7 - [] Mesoporous (Cathodic electrodeposition) Sn doping and Nb surface treatment, cobalt ion treatment 2.0 ~24 h this study aAll photocurrents were measured at 1.23 V vs. RHE under AM 1.5 condition (100 mW bObtained at E = 1.6 V vs. RHE Figure S1. (a) XRD patterns of Sn-H/Nb samples without and with Co2+-treatment and (b) deconvolution of XPS Co 2p bands.
1-s2.0-S0926337316306671-mmc1.docx