Interconnected Molybdenum Carbide-Based Nanoribbons for Highly Efficient and Ultrastable Hydrogen Evolution

• DOI: 10.1021/acsami.7b06329
• Publication Date: 2017-06-15T09:19:57Z
• Authors: Zhihua Cheng; Jian Gao; Qiang Fu; Changxia Li; Xiaopeng Wang; Yukun Xiao; Yang Zhao; Zhipan Zhang; Liangti Qu
• Keywords: Noble metal; Molybdenum disulfide

Electrocatalytic hydrogen evolution reaction (HER) is of great significance to produce clean, sustainable, and cost-effective hydrogen. However, the development low-cost high-efficiency non-noble-metal catalysts with a combination superior catalytic activity long-time stability still remains challenge. Herein, we demonstrate rationally designed three-dimensional architecture assembled from one-dimensional molybdenum carbide (MoC)-based nanoribbons where MoC nanoparticles are embedded within nitrogen-doped crystallized carbon nanolayers (MoC@NC nanoribbon). Such unique MoC@NC nanoribbon not only provides abundant edge active sites multielectron pathways for efficient mass/charge transportation but also greatly accelerates release surface, thus boosting its electrocatalytic performances HER either in an acid or alkaline aqueous solution. This advance promising candidate toward replacement noble-metal-based highly stable electrocatalysis.