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题名:
Solid-contact K+-selective electrode based on three-dimensional molybdenum sulfide nanoflowers as ion-to-electron transducer
作者: Zeng, XZ; Yu, SY; Yuan, Q; Wei Qin(秦伟)
刊名: SENSORS AND ACTUATORS B-CHEMICAL
ISSN号: 0925-4005
出版日期: 2016-10-29
卷号: 234, 页码:80-83
关键词: MoS2 nanoflowers ; Solid contact ; Ion-selective electrodes ; Potentiometry ; Potassium
DOI: 10.1016/j.snb.2016.04.153
产权排序: [Zeng, Xianzhong; Yu, Shunyang; Qin, Wei] Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [Zeng, Xianzhong; Yu, Shunyang; Qin, Wei] YICCAS, Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China; [Zeng, Xianzhong] Univ Chinese Acad Sci, Beijing 100039, Peoples R China; [Yuan, Qun] Yantai Univ, Coll Chem & Chem Engn, Yantai 264005, Peoples R China
通讯作者: Qin, W (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China. wqin@yic.ac.cn
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: Three-dimensional (3D) molybdenum sulfide (MoS2) nanoflowers have been synthesized via a novel hydrothermal method and applied as ion-to-electron transducer for solid-contact ion-selective electrodes (SC-ISEs). The morphology and elemental composition of the prepared nanomaterials have been characterized. The performance of the developed K+-SC-ISE has been demonstrated by determining K+ in solution with a polymeric membrane containing valinomycin as the ionophore. A Nernstian slope of 55.8 mV/decade with a detection limit of 10(-5.5) M can be obtained. Using the 3D flowerlike MoS2 as solid contact, the fabricated K+-SC-ISE exhibits a smaller impedance and more stable potential response than the coated-wire electrode. In addition, the novel SC-ISE behaves well in the water layer test and shows good resistance to interferences from light, O-2 and CO2. It is believed that the 3D MoS2 nanoflowers can be a good alternative as solid contact in SC-ISEs. (C) 2016 Elsevier B.V. All rights reserved.
研究领域[WOS]: Chemistry ; Electrochemistry ; Instruments & Instrumentation
项目资助者: Strategic Priority Research Program of the Chinese Academy of Sciences(XDA11020702) ; National Natural Science Foundation of China(21475148) ; Taishan Scholar Program of Shandong Province
关键词[WOS]: HYDROTHERMAL SYNTHESIS ; CARBON NANOTUBES ; MEMBRANE ; MOS2 ; LAYER ; NANOPARTICLES
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000378538700011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/17100
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Environm Proc & Ecol Remediat
2.YICCAS, Shandong Prov Key Lab Coastal Environm Proc
3.Univ Chinese Acad Sci
4.Yantai Univ, Coll Chem & Chem Engn

Recommended Citation:
Zeng, XZ,Yu, SY,Yuan, Q,et al. Solid-contact K+-selective electrode based on three-dimensional molybdenum sulfide nanoflowers as ion-to-electron transducer[J]. SENSORS AND ACTUATORS B-CHEMICAL,2016,234:80-83.
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