Selective uptake and sensing of nitrate in poly(3,4-ethylenedioxythiophene)

Selective uptake and sensing of nitrate in poly(3,4-ethylenedioxythiophene) Nitrogen (N) as a nutrient, in the form of nitrate (NO3 −), is essential for plant growth. Chemical fertilizers are used to increase crop yields, but overuse can lead to forms of environmental pollution necessitating methods to detect and monitor the level of NO3 − in-situ in agricultural soils. Herein we report for the first time the NO3 − selectivity of the inherently conducting polymer poly (3,4-ethylenedioxythiophene) (PEDOT). This selectivity occurs when PEDOT thin films are exposed to an aqueous environment containing not only NO3 −, but a mixture of other ions present in concentrations (ppm) typical of real agricultural soil. The PEDOT sensitivity to absorb NO3 − from solution is determined to be <1 ppm. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scientific Reports Springer Journals

Selective uptake and sensing of nitrate in poly(3,4-ethylenedioxythiophene)

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Publisher
Springer Journals
Copyright
Copyright © 2017 by The Author(s)
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
eISSN
2045-2322
D.O.I.
10.1038/s41598-017-16939-5
Publisher site
See Article on Publisher Site

Abstract

Nitrogen (N) as a nutrient, in the form of nitrate (NO3 −), is essential for plant growth. Chemical fertilizers are used to increase crop yields, but overuse can lead to forms of environmental pollution necessitating methods to detect and monitor the level of NO3 − in-situ in agricultural soils. Herein we report for the first time the NO3 − selectivity of the inherently conducting polymer poly (3,4-ethylenedioxythiophene) (PEDOT). This selectivity occurs when PEDOT thin films are exposed to an aqueous environment containing not only NO3 −, but a mixture of other ions present in concentrations (ppm) typical of real agricultural soil. The PEDOT sensitivity to absorb NO3 − from solution is determined to be <1 ppm.

Journal

Scientific ReportsSpringer Journals

Published: Nov 29, 2017

References

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