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

被引：63

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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