Electrodeposition of gold nanoparticles on Cu-based metal-organic framework for the electrochemical detection of nitrite
Chen, Huaiyin1,2; Yang, Tao3; Liu, Faqian3; Li, Weihua1,3
2019-05-01
发表期刊SENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
卷号286页码:401-407
通讯作者Li, Weihua(ytlwh666@163.com)
摘要Herein, an electrochemical sensing platform based on Cu-based metal-organic framework (Cu-MOF) decorated with gold nanoparticles (AuNPs) is constructed for the sensitive detection of nitrite. Cu-MOF was synthesized by a simple wet chemical synthesis at room temperature. AuNPs were electrodeposited on Cu-MOF modified glass carbon electrode (Cu-MOF/GCE) using potentiostatic method. The AuNPs decorated Cu-MOF (Cu-MOF/Au) displays synergetic catalytic effect for the oxidation of nitrite due to the large surface area and porosity of Cu-MOF, which could prevent the aggregation of AuNPs and increase the adsorption of nitrite, combining with the high conductivity and excellent catalytic activity of AuNPs. A nitrite sensing platform was constructed based on Cu-MOF/Au/GCE, and amperometric technique was adopted for quantitative determination of nitrite. The prepared electrochemical sensing platform demonstrates high sensitivity, selectivity and good stability for the detection of nitrite. It shows two wide linear ranges of 0.1-4000 and 4000-10000 mu M, and the low detection limit of 82 nM. Moreover, the sensing platform can also be used for the nitrite detection in real samples. This work would broaden the application of MOFs material in constructing more novel electrochemical sensing platforms.
关键词Metal-organic framework Au nanoparticles Nitrite Electrochemical detection Electrodeposition
DOI10.1016/j.snb.2018.10.036
收录类别SCI
语种英语
资助项目National Defense Scientific Research Cultivation Special Program of Sun Yat-sen University ; Aoshan Talents Outstanding Scientist Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS09] ; National Natural Science Foundation of China[21275084] ; National Natural Science Foundation of China[51525903] ; National Natural Science Foundation of China[41476083] ; National Natural Science Foundation of China[21675092] ; National Natural Science Foundation of China[21675092] ; National Natural Science Foundation of China[41476083] ; National Natural Science Foundation of China[51525903] ; National Natural Science Foundation of China[21275084] ; Aoshan Talents Outstanding Scientist Program - Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-OS09] ; National Defense Scientific Research Cultivation Special Program of Sun Yat-sen University
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
WOS类目Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS记录号WOS:000459129600053
出版者ELSEVIER SCIENCE SA
引用统计
被引频次:151[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/155566
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Li, Weihua
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Chen, Huaiyin,Yang, Tao,Liu, Faqian,et al. Electrodeposition of gold nanoparticles on Cu-based metal-organic framework for the electrochemical detection of nitrite[J]. SENSORS AND ACTUATORS B-CHEMICAL,2019,286:401-407.
APA Chen, Huaiyin,Yang, Tao,Liu, Faqian,&Li, Weihua.(2019).Electrodeposition of gold nanoparticles on Cu-based metal-organic framework for the electrochemical detection of nitrite.SENSORS AND ACTUATORS B-CHEMICAL,286,401-407.
MLA Chen, Huaiyin,et al."Electrodeposition of gold nanoparticles on Cu-based metal-organic framework for the electrochemical detection of nitrite".SENSORS AND ACTUATORS B-CHEMICAL 286(2019):401-407.
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