Preparation of all solid-state potentiometric ion sensors with polymer-CNT composites |
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Authors: | Jingwei Zhu Yu Qin Yunhong Zhang |
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Institution: | aInstitute for Chemical Physics, Beijing Institute of Technology, Beijing 100081, China;bKey Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China |
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Abstract: | This paper presents the simplest method so far to prepare all solid-state ion-selective sensors with excellent potential stability and sensing properties. With the aid of block polymer PEO-PPO-PEO (F127) multi-wall carbon nanotubes (MWCNTs) facilitating the ion-to-electron transfer can be well-dispersed in different polymer matrices including plasticized poly vinyl chloride, plasticizer-free methacrylate copolymer and PVC-ionic liquid, which leads to a general approach to prepare all solid-state ion-selective sensors by simple one-step drop casting method. |
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Keywords: | All solid-state electrode Carbon nanotube Potentiometric sensor Ionic liquid Ionophore |
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