Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022

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Electric Detection of Phosphate Anions in Water by an Extended-Gate Type Organic Field-Effect Transistor Functionalized by a Zinc(II)-Dipicolylamine Derivative
Tsuyoshi MinamiTsukuru MinamikiShizuo Tokito
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JOURNAL RESTRICTED ACCESS Advance online publication

Article ID: 151193


An organic field-effect transistor (OFET) toward phosphate sensing has been successfully developed. The fabricated OFET possessing an extended-gate functionalized with zinc(II)-dipicolylamine (ZnII-DPA) exhibited an electrical and cross-reactive response to phosphate anions such as nucleotides and inorganic phosphates over halide ions in water. The results obtained here indicate that OFET could be a powerful platform for phosphate sensing based on supramolecular interactions.

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