Polymer−metal organic framework composite films as affinity layer for capacitive sensor devices

Sumit Sachdeva; Dimitri Soccol; Dirk J. Gravesteijn; Freek Kapteijn; Ernst J.R. Sudhölter; Jorge Gascon; Louis C.P.M. de Smet

doi:10.1021/acssensors.6b00295

Polymer−metal organic framework composite films as affinity layer for capacitive sensor devices

Sumit Sachdeva, Dimitri Soccol, Dirk J. Gravesteijn, Freek Kapteijn, Ernst J.R. Sudhölter, Jorge Gascon, Louis C.P.M. de Smet

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

We report a simple method for sensor development using polymer-MOF composite films. Nanoparticles of NH2-MIL-53(Al) dispersed in a Matrimid polyimide were applied as a thin film on top of capacitive sensor devices with planar electrodes. These drop-cast films act as an affinity layer. Sensing studies carried out with methanol vapor using impedance spectroscopy demonstrate that the presence of MOF enhances the overall response and lowers the detection limit compared to MOF-free polymer films and bare devices. This can be understood by additional changes of the local polarity of the composite films due to higher adsorption of methanol by the porous MOF particles. We expect that this work will stimulate the design of composite polymeric affinity layers for a range of analytes by a proper choice of dispersed MOF particles.

Original language	English
Pages (from-to)	1188-1192
Number of pages	5
Journal	ACS sensors
Volume	1
Issue number	10
DOIs	https://doi.org/10.1021/acssensors.6b00295
Publication status	Published - 27 Sept 2016

Keywords

Metal−organic frameworks
Planar electrodes
NH2-MIL-53(Al)
Polymer-MOF composites
Capacitive sensors
n/a OA procedure

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10.1021/acssensors.6b00295

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title = "Polymer−metal organic framework composite films as affinity layer for capacitive sensor devices",

abstract = "We report a simple method for sensor development using polymer-MOF composite films. Nanoparticles of NH2-MIL-53(Al) dispersed in a Matrimid polyimide were applied as a thin film on top of capacitive sensor devices with planar electrodes. These drop-cast films act as an affinity layer. Sensing studies carried out with methanol vapor using impedance spectroscopy demonstrate that the presence of MOF enhances the overall response and lowers the detection limit compared to MOF-free polymer films and bare devices. This can be understood by additional changes of the local polarity of the composite films due to higher adsorption of methanol by the porous MOF particles. We expect that this work will stimulate the design of composite polymeric affinity layers for a range of analytes by a proper choice of dispersed MOF particles.",

keywords = "Metal−organic frameworks, Planar electrodes, NH2-MIL-53(Al), Polymer-MOF composites, Capacitive sensors, n/a OA procedure",

author = "Sumit Sachdeva and Dimitri Soccol and Gravesteijn, {Dirk J.} and Freek Kapteijn and Sudh{\"o}lter, {Ernst J.R.} and Jorge Gascon and {de Smet}, {Louis C.P.M.}",

year = "2016",

month = sep,

day = "27",

doi = "10.1021/acssensors.6b00295",

language = "English",

volume = "1",

pages = "1188--1192",

journal = "ACS sensors",

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publisher = "American Chemical Society",

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T1 - Polymer−metal organic framework composite films as affinity layer for capacitive sensor devices

AU - Sachdeva, Sumit

AU - Soccol, Dimitri

AU - Gravesteijn, Dirk J.

AU - Kapteijn, Freek

AU - Sudhölter, Ernst J.R.

AU - Gascon, Jorge

AU - de Smet, Louis C.P.M.

PY - 2016/9/27

Y1 - 2016/9/27

N2 - We report a simple method for sensor development using polymer-MOF composite films. Nanoparticles of NH2-MIL-53(Al) dispersed in a Matrimid polyimide were applied as a thin film on top of capacitive sensor devices with planar electrodes. These drop-cast films act as an affinity layer. Sensing studies carried out with methanol vapor using impedance spectroscopy demonstrate that the presence of MOF enhances the overall response and lowers the detection limit compared to MOF-free polymer films and bare devices. This can be understood by additional changes of the local polarity of the composite films due to higher adsorption of methanol by the porous MOF particles. We expect that this work will stimulate the design of composite polymeric affinity layers for a range of analytes by a proper choice of dispersed MOF particles.

AB - We report a simple method for sensor development using polymer-MOF composite films. Nanoparticles of NH2-MIL-53(Al) dispersed in a Matrimid polyimide were applied as a thin film on top of capacitive sensor devices with planar electrodes. These drop-cast films act as an affinity layer. Sensing studies carried out with methanol vapor using impedance spectroscopy demonstrate that the presence of MOF enhances the overall response and lowers the detection limit compared to MOF-free polymer films and bare devices. This can be understood by additional changes of the local polarity of the composite films due to higher adsorption of methanol by the porous MOF particles. We expect that this work will stimulate the design of composite polymeric affinity layers for a range of analytes by a proper choice of dispersed MOF particles.

KW - Metal−organic frameworks

KW - Planar electrodes

KW - NH2-MIL-53(Al)

KW - Polymer-MOF composites

KW - Capacitive sensors

KW - n/a OA procedure

U2 - 10.1021/acssensors.6b00295

DO - 10.1021/acssensors.6b00295

M3 - Article

SN - 2379-3694

VL - 1

SP - 1188

EP - 1192

JO - ACS sensors

JF - ACS sensors

IS - 10

ER -

Polymer−metal organic framework composite films as affinity layer for capacitive sensor devices

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Keywords

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