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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
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume286Pages:401-407
Corresponding AuthorLi, Weihua(ytlwh666@163.com)
AbstractHerein, 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.
KeywordMetal-organic framework Au nanoparticles Nitrite Electrochemical detection Electrodeposition
DOI10.1016/j.snb.2018.10.036
Indexed BySCI
Language英语
Funding ProjectNational 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 Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000459129600053
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155566
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorLi, Weihua
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
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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