Vapor–solid synthesis of monolithic single-crystalline CoP nanowire electrodes for efficient and robust water electrolysis† †Electronic supplementary information (ESI) available: Experimental details and supplemental figures and tables. See DOI: 10.1039/c6sc05167g Click here for additional data file.

Electronic Supplementary information for Vapor-Solid Synthesis of Monolithic Single-Crystalline CoP Nanowire Electrodes for Efficient and Robust Water Electrolysis Wei Li,a Xuefei Gao,b Dehua Xiong,a Fang Xia,c Jian Liu,b Wei-Guo Song,b Junyuan Xu,a Sitaramanjaneya Mouli Thalluri,a M. F. Cerqueira,d Xiuli Fue and Lifeng Liu a, * a International Iberian Nanotechnology Laboratory (INL), Av. Mestre Jose Veiga, 4715-330 Braga (Portugal) b Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, 100190 Beijing (P. R. China) c School of Engineering and Information Technology, Murdoch University, Murdoch, West Australia 6150, Australia d Center for Physics, University of Minho, 4710-057 Braga, Portugal e State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, P. R. China