DataVXAdvanced MaterialsPaper
journal article·2018-04

Vertical 1T‐TaS2 Synthesis on Nanoporous Gold for High‐Performance Electrocatalytic Applications

Yahuan Huan, Jianping Shi, Xiaolong Zou, Yue Gong, Zhepeng Zhang, Minghua Li, Liyun Zhao, Runzhang Xu, Shaolong Jiang, Xiebo Zhou, Min Hong, Chunyu Xie, He Li, Xingyou Lang, Qing Zhang, Lin Gu, Xiaoqin Yan, Yanfeng Zhang

Advanced Materials· Volume 30· Issue 15
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Source abstract

Abstract

Abstract 2D metallic TaS2 is acting as an ideal platform for exploring fundamental physical issues (superconductivity, charge‐density wave, etc.) and for engineering novel applications in energy‐related fields. The batch synthesis of high‐quality TaS2 nanosheets with a specific phase is crucial for such issues. Herein, the successful synthesis of novel vertically oriented 1T‐TaS2 nanosheets on nanoporous gold substrates is reported, via a facile chemical vapor deposition route. By virtue of the abundant edge sites and excellent electrical transport property, such vertical 1T‐TaS2 is employed as high‐efficiency electrocatalysts in the hydrogen evolution reaction, featured with rather low Tafel slopes ≈67–82 mV dec−1 and an ultrahigh exchange current density ≈67.61 µA cm−2. The influence of phase states of 1T‐ and 2H‐TaS2 on the catalytic activity is also discussed with the combination of density functional theory calculations. This work hereby provides fundamental insights into the controllable syntheses and electrocatalytic applications of vertical 1T‐TaS2 nanosheets achieved through the substrate engineering.
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Research context

NanomaterialsCatalysis & surfacesMaterials processing

OpenAlex topics: Electrocatalysts for Energy Conversion · Nanoporous metals and alloys · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Advanced Metals and Materials School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 P. R. China

Department of Materials Science and Engineering College of Engineering Peking University Beijing 100871 P. R. China

Tsinghua–Berkeley Shenzhen Institute (TBSI) Tsinghua University Shenzhen Guangdong 518055 P. R. China

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 P. R. China

Key Laboratory of Automobile Materials (Jilin University) Ministry of Education, and School of Materials Science and Engineering Jilin University Changchun Jilin 130022 P. R. China

Collaborative Innovation Center of Quantum Matter Beijing 100190 P. R. China

Funding

National Natural Science Foundation of China

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