Surface oxidized two-dimensional antimonene nanosheets for electrochemical ammonia synthesis under ambient conditions

被引：62
|
作者：
Bat-Erdene, Munkhjargal [1 ]
Xu, Guangrui [2 ,3 ]
Batmunkh, Munkhbayar [1 ,4 ]
Bati, Abdulaziz S. R. [1 ]
White, Jessica J. [4 ]
Nine, Md J. [5 ]
Losic, Dusan [5 ]
Chen, Yu [3 ]
Wang, Yun [4 ]
Ma, Tianyi [2 ]
Shapter, Joseph G. [1 ]
机构：
[1] Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia
[2] Univ Newcastle UON, Discipline Chem, Sch Environm & Life Sci, Callaghan, NSW 2308, Australia
[3] Shaanxi Normal Univ, Key Lab Macromol Sci Shaanxi Prov, Key Lab Appl Surface & Colloid Chem,Shaanxi Key L, Minist Educ,Sch Mat Sci & Engn, Xian 710062, Peoples R China
[4] Griffith Univ, Ctr Clean Environm & Energy, Sch Envimnment & Sci, Gold Coast, Qld 4222, Australia
[5] Univ Adelaide, Sch Chem Engn & Adv Mat, Adelaide, SA 5005, Australia
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2020年 / 8卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
ELECTROCATALYTIC N-2 FIXATION; NITROGEN; REDUCTION; WATER; EXFOLIATION; PNICTOGEN; GRAPHENE;
D O I：
10.1039/c9ta13485a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 mu g h(-1) mg(CAT)(-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.
引用
收藏
页码：4735 / 4739
页数：5
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