journal article·2018-06

Sub‐3 nm Ultrafine Monolayer Layered Double Hydroxide Nanosheets for Electrochemical Water Oxidation

Yufei Zhao, Xin Zhang, Xiaodan Jia, Geoffrey I. N. Waterhouse, Run Shi, Xuerui Zhang, Fei Zhan, Ye Tao, Li‐Zhu Wu, Chen‐Ho Tung, Dermot O'Hare, Tierui Zhang

Advanced Energy Materials· Volume 8· Issue 18
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Abstract

Abstract This study reports the synthesis of ultrafine NiFe‐layered double hydroxide (NiFe‐LDH) nanosheets, possessing a size range between 1.5 and 3.0 nm with a thickness of 0.6 nm. Abundant metal and oxygen vacancies impart the ultrafine nanosheets with semi‐metallic character, and thus superior charge transfer properties and electrochemical water oxidation performance with overpotentials (η) of 254 mV relative to monolayer LDH nanosheets (η of 280 mV) or bulk LDH materials (η of 320 mV) at 10 mA cm−2. These results are highly encouraging for the future application of ultrafine monolayer LDH nanosheets in electronics, solar cells, and catalysis.
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Research context

OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Advanced Photocatalysis Techniques · Supercapacitor Materials and Fabrication

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

Affiliations

Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China

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

College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 Shanxi P. R. China

School of Chemical Sciences The University of Auckland Auckland 1142 New Zealand

Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China

Chemistry Research Laboratory Department of Chemistry University of Oxford Mansfield Road Oxford OX1 3TA UK

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences · Royal Society · China Association for Science and Technology · Youth Innovation Promotion Association of the Chinese Academy of Sciences

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