Surface oxidized two-dimensional antimonene nanosheets for electrochemical ammonia synthesis under ambient conditions
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Xu, Guangrui
Batmunkh, Munkhbayar
Bati, Abdulaziz SR
White, Jessica J
Nine, Md J
Losic, Dusan
Chen, Yu
Wang, Yun
Ma, Tianyi
Shapter, Joseph G
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Abstract
Two-dimensional (2D) antimonene nanosheets are prepared using a combination of ball milling and sonication-based liquid exfoliation and are used as an efficient electrocatalyst for the nitrogen reduction reaction (NRR). In 0.1 M KOH, a high NH3 yield of 180.4 μg h-1 mgCAT-1 and faradaic efficiency (FE) of 11.6% are achieved using our antimonene nanosheets. Theoretical calculations suggest that the oxidized species of antimonene act as the active catalytic sites for the NRR process. This work opens up a new avenue towards the development of 2D electrocatalysts for clean energy.
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Journal of Materials Chemistry A
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8
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9
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Macromolecular and materials chemistry
Materials engineering
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Chemical engineering
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Physical Sciences
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Chemistry, Physical
Energy & Fuels
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Bat-Erdene, M; Xu, G; Batmunkh, M; Bati, ASR; White, JJ; Nine, MJ; Losic, D; Chen, Y; Wang, Y; Ma, T; Shapter, JG, Surface oxidized two-dimensional antimonene nanosheets for electrochemical ammonia synthesis under ambient conditions, Journal of Materials Chemistry A, 2020, 8 (9), pp. 4735-4739