| 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
| |
| 发表期刊 | TALANTA
 |
| ISSN | 0039-9140 |
| 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 |
| 研究领域 | Chemistry, Analytical |
| 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 |
| 通讯作者 | Qin, Wei([email protected]) |
| 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 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/24742 |
| 专题 | 中国科学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 中国科学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 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. |
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