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Emerging investigator series: dispersed transition metals on a nitrogen-doped carbon nanoframework for environmental hydrogen peroxide detection
Li, Zehui1; Jiang, Yuheng2; Liu, Chenming3; Wang, Zhuoya4; Cao, Zhiqin3; Yuan, Yi4; Li, Mingjie5; Wang, Yaling1; Fang, Daliang2; Guo, Zhuang2; Wang, Dongbin1; Zhang, Guangjin2; Jiang, Jingkun1
2018-08-01
发表期刊ENVIRONMENTAL SCIENCE-NANO
ISSN2051-8153
卷号5期号:8页码:1834-1843
摘要Hydrogen peroxide (H2O2) is a key species in many environmental processes such as the electro-Fenton system to remove organic pollutants in wastewater treatment. Traditional methods for measuring H2O2 are often complex and time-consuming. Due to their low cost and high catalytic activity, transition metals (TM) can be used as high-performance electrochemical sensing materials for detecting H2O2. However, the aggregation of metal atoms will severely limit their catalytic efficiency and exposure area. In this study, we explored a method to disperse TM homogeneously on a zeolitic imidazolate framework-8 (ZIF-8) derived nitrogen-doped carbon (N/C) nanoframework and used it as the electrocatalyst for detecting H2O2 in an electro-Fenton system. Cu and Mn were used as the examples. Benefitting from the homogeneously dispersed TM, the synthesized nanoframework with a low content of TM exhibits superior electrocatalytic activity and an anti-interference ability in detecting H2O2. It has a wide linear range (0.0005-50 mM for 1% Cu-N/C and 0.0001-50 mM for 1% Mn-N/C) and a low detection limit (0.047 M for 1% Cu-N/C and 0.036 M for 1% Mn-N/C). Using the synthesized nanoframework, a system for continuously detecting the H2O2 concentration in an electro-Fenton system in situ was presented. The reported method to fabricate such nanomaterials with a higher catalytic efficiency of TM has implications in other applications such as environmental treatment, catalysis, and energy conversion.
DOI10.1039/c8en00498f
关键词[WOS]OXYGEN REDUCTION REACTION ; ELECTROCHEMICAL DETECTION ; ORGANIC FRAMEWORKS ; POROUS CARBON ; NANOPARTICLES ; PERFORMANCE ; CATALYSTS ; GRAPHENE ; GLUCOSE ; FE
语种英语
资助项目National Key R&D Program of China[2016YFC0200102] ; National Natural Science Foundation of China[91643201] ; National Natural Science Foundation of China[21521064] ; National Natural Science Foundation of China[51608509] ; National Natural Science Foundation of China[91545125] ; National Natural Science Foundation of China[U1662121] ; Tsinghua Qingfeng Scholarship[THQF2018-16]
WOS研究方向Chemistry ; Environmental Sciences & Ecology ; Science & Technology - Other Topics
项目资助者National Key R&D Program of China ; National Natural Science Foundation of China ; Tsinghua Qingfeng Scholarship
WOS类目Chemistry, Multidisciplinary ; Environmental Sciences ; Nanoscience & Nanotechnology
WOS记录号WOS:000442263500005
出版者ROYAL SOC CHEMISTRY
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/12061
专题中国科学院青岛生物能源与过程研究所
通讯作者Liu, Chenming; Jiang, Jingkun
作者单位1.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 700084, Peoples R China
2.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Div Environm Technol & Engn Inst Proc Engn, Beijing 100190, Peoples R China
4.China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
5.Chinese Acad Sci, Qingdao Inst Biomass Energy & Bioproc Technol, Qingdao 266101, Peoples R China
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GB/T 7714
Li, Zehui,Jiang, Yuheng,Liu, Chenming,et al. Emerging investigator series: dispersed transition metals on a nitrogen-doped carbon nanoframework for environmental hydrogen peroxide detection[J]. ENVIRONMENTAL SCIENCE-NANO,2018,5(8):1834-1843.
APA Li, Zehui.,Jiang, Yuheng.,Liu, Chenming.,Wang, Zhuoya.,Cao, Zhiqin.,...&Jiang, Jingkun.(2018).Emerging investigator series: dispersed transition metals on a nitrogen-doped carbon nanoframework for environmental hydrogen peroxide detection.ENVIRONMENTAL SCIENCE-NANO,5(8),1834-1843.
MLA Li, Zehui,et al."Emerging investigator series: dispersed transition metals on a nitrogen-doped carbon nanoframework for environmental hydrogen peroxide detection".ENVIRONMENTAL SCIENCE-NANO 5.8(2018):1834-1843.
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