Graphitic Carbon Nitride Nanoribbons: Graphene‐Assisted Formation and Synergic Function for Highly Efficient Hydrogen Evolution |
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| Authors: | Yang Zhao Fei Zhao Xiaopeng Wang Chenyu Xu Zhipan Zhang Prof Gaoquan Shi Prof Liangti Qu |
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| Institution: | 1. Key Laboratory of Cluster Science, Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic, Conversion Materials, School of Chemistry, Beijing Institute of Technology, Beijing 100081 (P. R. China);2. Department of Chemistry, Tsinghua University, Beijing 100084 (P. R. China) |
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| Abstract: | The development of new promising metal‐free catalysts is of great significance for the electrocatalytic hydrogen evolution reaction (HER). Herein, a rationally assembled three‐dimensional (3D) architecture of 1D graphitic carbon nitride (g‐C3N4) nanoribbons with 2D graphene sheets has been developed by a one‐step hydrothermal method. Because of the multipathway of charge and mass transport, the hierarchically structured g‐C3N4 nanoribbon–graphene hybrids lead to a high electrocatalytic ability for HER with a Tafel slope of 54 mV decade?1, a low onset overpotential of 80 mV and overpotential of 207 mV to approach a current of 10 mA cm?2, superior to those non‐metal materials and well‐developed metallic catalysts reported previously. This work presents a great advance for designing and developing highly efficient metal‐free catalyst for hydrogen evolution. |
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| Keywords: | carbon electrocatalysis graphene hydrogen evolution nanoribbons |
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