Development of an ammonium ISFET sensor with a polymeric membrane including zeolite

Abstract : This paper presents a first report on an ammonium ISFET (ion-sensitive field effect transistor) based on a polymeric membrane (siloprene) including a zeolite selective for ammonium exchange: clinoptilolite. The effect of zeolite content on sensitivity of detection is studied; an optimum is obtained for 43 w/w%. A sensitivity of detection of 32 mV/pNH4+ and a detection limit of 10−8 M are obtained. A highly selective ammonium ISFET is obtained.
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https://hal.univ-lorraine.fr/hal-01942018
Contributor : Alain Walcarius <>
Submitted on : Sunday, December 2, 2018 - 8:36:38 PM
Last modification on : Tuesday, December 4, 2018 - 1:15:47 AM

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M.L Hamlaoui, R. Kherrat, M. Marrakchi, R Jaffrezic-Renault, Alain Walcarius. Development of an ammonium ISFET sensor with a polymeric membrane including zeolite. Materials Science and Engineering: C, Elsevier, 2002, 21 (1-2), pp.25-28. ⟨10.1016/S0928-4931(02)00059-0⟩. ⟨hal-01942018⟩

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