Zeng, XZ; Qin, W
发表期刊TALANTA
ISSN0039-9140
2020-03-01
卷号209页码:120570
关键词Solid contactIon-selective electrodeIon-to-electron transducerRedox capacitanceInorganic redox buffer
研究领域Chemistry, Analytical
DOI10.1016/j.talanta.2019.120570
产权排序[Zeng, Xianzhong] Weifang Med Univ, Sch Pharm, Weifang 261053, Shandong, Peoples R China; [Qin, Wei] Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China; [Zeng, Xianzhong; Qin, Wei] Chinese Acad Sci, Shandong Prov Key Lab Coastal Environm Proc, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China; [Zeng, Xianzhong] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
通讯作者Qin, Wei(wqin@yic.ac.cn)
作者部门海岸带环境过程实验室
英文摘要For construction of solid-contact ion-selective electrodes (SC-ISEs), ion-to-electron transducers based on the redox capacitance transduction mechanism are currently restricted to organic materials. Exploring inorganic nanomaterials with high redox buffer capacities as intermediate layers for SC-ISEs would offer another alternative. Herein, a solid-contact calcium ion-selective electrode (SC-Ca2+-ISE) with a new inorganic redox bufferAg@AgCl/1-tetradecyl-3-methylimidazolium chloride (TMMCl) as the ion-to-electron transducer is presented. In this system, the predominant component core-shell Ag@AgCl nanoparticles with diameters ranging from 30 to 100 nm can be prepared through a two-step process. An ionic liquid TMMCl is used to offer a source of free Cl. The developed SC-Ca2+-ISE exhibits a near Nernstian slope of 28.3 mV/decade for Ca2+ in the range of 10(-6) 10(-2) M. By using of the inorganic redox buffer, the SC-Ca 2+ -ISE has a smaller impedance and higher capacitance than the coated-wire electrode, which guarantees a stable potential response. Additionally, the proposed SC-Ca2+-ISE shows excellent resistances to interferences of light, O-2 and CO2, with a reduced water layer formed between the ion-selective membrane and the underlying solid contact. The developed inorganic redox buffer of Ag@AgCl/TMMCI can be effectively used as a new ion-to-electron transducer for construction of solid contact ISEs.
文章类型Article
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China [21677172]; National Key Research and Development Program of China [2016YFC1400700]; Taishan Scholar Program of Shandong Province [TSPD20181215]; Natural Science Foundation of Shandong ProvinceNatural Science Foundation of Shandong Province [ZR2019BB016]; Shandong Key Laboratory of Coastal Environmental Processes, YICCAS [2019SDHADKFJJ06]
收录类别SCI
语种英语
关键词[WOS]COBALT(II) PORPHYRIN/COBALT(III) CORROLE; POTASSIUM-SELECTIVE ELECTRODES; CARBON; MEMBRANE; SENSORS; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); NANOPARTICLES; STABILITY; K+
研究领域[WOS]Chemistry, Analytical
WOS记录号WOS:000509632900107
引用统计被引频次：7[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/24742
专题中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室
作者单位1.Weifang Med Univ, Sch Pharm, Weifang 261053, Shandong, Peoples R China;
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China;
3.Chinese Acad Sci, Shandong Prov Key Lab Coastal Environm Proc, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China;
4.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714Zeng, XZ,Qin, W. A solid-contact Ca2+-selective electrode based on an inorganic redox buffer of Ag@AgCl/1-tetradecyl-3-methylimidazolium chloride as ion-to-electron transducer[J]. TALANTA,2020,209:120570.
APAZeng, XZ,&Qin, W.(2020).A solid-contact Ca2+-selective electrode based on an inorganic redox buffer of Ag@AgCl/1-tetradecyl-3-methylimidazolium chloride as ion-to-electron transducer.TALANTA,209,120570.
MLAZeng, XZ,et al."A solid-contact Ca2+-selective electrode based on an inorganic redox buffer of Ag@AgCl/1-tetradecyl-3-methylimidazolium chloride as ion-to-electron transducer".TALANTA 209(2020):120570.
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