Defect‐Rich MoS<sub>2</sub> Ultrathin Nanosheets with Additional Active Edge Sites for Enhanced Electrocatalytic Hydrogen Evolution
Junfeng Xie(University of Science and Technology of China), Han Zhang(University of Science and Technology of China), Shuang Li(University of Science and Technology of China), Ruoxing Wang(University of Science and Technology of China), Xu Sun(University of Science and Technology of China), Min Zhou(University of Science and Technology of China), Jingfang Zhou(University of South Australia), Xiong Wen Lou(Nanyang Technological University), Yi Xie(University of Science and Technology of China)
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Abstract
Defect-rich MoS2 ultrathin nanosheets are synthesized on a gram scale for electrocatalytic hydrogen evolution. The novel defect-rich structure introduces additional active edge sites into the MoS2 ultrathin nanosheets, which significantly improves their electrocatalytic performance. Low onset overpotential and small Tafel slope, along with large cathodic current density and excellent durability, are all achieved for the novel hydrogen-evolution-reaction electrocatalyst.
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