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

doi:10.1016/j.talanta.2019.120570

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室 > 近岸生态与环境实验室

	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
	Zeng, XZ ; Qin, W
刊名	TALANTA
	2020-03-01
卷号	209 页码:120570
关键词	Solid contact Ion-selective electrode Ion-to-electron transducer Redox capacitance Inorganic redox buffer
ISSN号	0039-9140
DOI	10.1016/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
文献子类	Article
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.
WOS关键词	COBALT(II) PORPHYRIN/COBALT(III) CORROLE ; POTASSIUM-SELECTIVE ELECTRODES ; CARBON ; MEMBRANE ; SENSORS ; POLY(3,4-ETHYLENEDIOXYTHIOPHENE) ; NANOPARTICLES ; STABILITY ; K+
WOS研究方向	Chemistry, Analytical
语种	英语
WOS记录号	WOS:000509632900107
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]
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/24742]
专题	烟台海岸带研究所_近岸生态与环境实验室烟台海岸带研究所_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.Univ Chinese Acad Sci, Beijing 100039, 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.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Shandong, Peoples R China;
推荐引用方式 GB/T 7714	Zeng, 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.
APA	Zeng, 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.
MLA	Zeng, 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.