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Wang H, Min S, Wang Q, et al. Nitrogen-Doped Nanoporous Carbon Membranes with Co/CoP Janus-Type Nanocrystals as Hydrogen Evolution Electrode in Both Acidic and Alkaline Environments. ACS Nano. 2017;11(4):4358-4364doi: 10.1021/acsnano.7b01946.
Wang, H., Min, S., Wang, Q., Li, D., Casillas, G., Ma, C., Li, Y., Liu, Z., Li, L. J., Yuan, J., Antonietti, M., & Wu, T. (2017). Nitrogen-Doped Nanoporous Carbon Membranes with Co/CoP Janus-Type Nanocrystals as Hydrogen Evolution Electrode in Both Acidic and Alkaline Environments. ACS nano, 11(4), 4358-4364. https://doi.org/10.1021/acsnano.7b01946
Wang, Hong, et al. "Nitrogen-Doped Nanoporous Carbon Membranes with Co/CoP Janus-Type Nanocrystals as Hydrogen Evolution Electrode in Both Acidic and Alkaline Environments." ACS nano vol. 11,4 (2017): 4358-4364. doi: https://doi.org/10.1021/acsnano.7b01946
Wang H, Min S, Wang Q, Li D, Casillas G, Ma C, Li Y, Liu Z, Li LJ, Yuan J, Antonietti M, Wu T. Nitrogen-Doped Nanoporous Carbon Membranes with Co/CoP Janus-Type Nanocrystals as Hydrogen Evolution Electrode in Both Acidic and Alkaline Environments. ACS Nano. 2017 Apr 25;11(4):4358-4364. doi: 10.1021/acsnano.7b01946. Epub 2017 Apr 07. PMID: 28362485.
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ACS Nano. 2017 Apr 25;11(4):4358-4364. doi: 10.1021/acsnano.7b01946. Epub 2017 Apr 07.

Nitrogen-Doped Nanoporous Carbon Membranes with Co/CoP Janus-Type Nanocrystals as Hydrogen Evolution Electrode in Both Acidic and Alkaline Environments.

ACS nano

Hong Wang, Shixiong Min, Qiang Wang, Debao Li, Gilberto Casillas, Chun Ma, Yangyang Li, Zhixiong Liu, Lain-Jong Li, Jiayin Yuan, Markus Antonietti, Tom Wu

Affiliations

  1. Physical Science and Engineering Division, King Abdullah University of Science & Technology (KAUST) , Thuwal 23955-6900, Saudi Arabia.
  2. School of Chemistry and Chemical Engineering, Beifang University of Nationalities , Yinchuan, Ningxia 750011, China.
  3. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, The Chinese Academy of Sciences , Taiyuan 030001, China.
  4. UOW Electron Microscopy Centre, University of Wollongong , Wollongong, New South Wales 2500, Australia.
  5. Department of Colloidal Chemistry, Max Planck Institute of Colloids and Interfaces , 14476 Potsdam, Germany.
  6. Department of Chemistry and Biomolecular Science and Center for Advanced Materials Processing, Clarkson University , Potsdam, New York 13699, United States.

PMID: 28362485 DOI: 10.1021/acsnano.7b01946

Abstract

Self-supported electrocatalysts being generated and employed directly as electrodes for energy conversion has been intensively pursued in the fields of materials chemistry and energy. Herein, we report a synthetic strategy to prepare freestanding hierarchically structured, nitrogen-doped nanoporous graphitic carbon membranes functionalized with Janus-type Co/CoP nanocrystals (termed as HNDCM-Co/CoP), which were successfully applied as a highly efficient, binder-free electrode in the hydrogen evolution reaction (HER). Benefited from multiple structural merits, such as a high degree of graphitization, three-dimensionally interconnected micro/meso/macropores, uniform nitrogen doping, well-dispersed Co/CoP nanocrystals, as well as the confinement effect of the thin carbon layer on the nanocrystals, HNDCM-Co/CoP exhibited superior electrocatalytic activity and long-term operation stability for HER under both acidic and alkaline conditions. As a proof-of-concept of practical usage, a 5.6 cm × 4 cm × 60 μm macroscopic piece of HNDCM-Co/CoP was prepared in our laboratory. Driven by a solar cell, electroreduction of water in alkaline conditions (pH 14) was performed, and H

Keywords: N-doping; carbon membrane; electrocatalyst; hierarchical architecture; water splitting

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