%L discovery10086224 %V 2 %N 3 %J Sustainable Energy & Fuels %X Metallic ultrafine NbN with lattice matching to nanocrystalline CdS could replace the expensive platinum for efficiently trapping photogenerated electrons, enhancing charge separation and then activating the preferentially adsorbed H_{2}O to produce H_{2}, mainly confirmed by Kelvin probe experiments, Mott–Schottky plots, amount of ˙OH produced, electrochemical experiments and density-functional-theory calculations. %A Y Qu %A N Sun %A M Humayun %A A Zada %A Y Xie %A J Tang %A L Jing %A H Fu %O This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. %D 2018 %T Improved visible-light activities of nanocrystalline CdS by coupling with ultrafine NbN with lattice matching for hydrogen evolution %I ROYAL SOC CHEMISTRY %P 549-552