Electrically Conductive Thin Films Based on Nanofibrillated Cellulose : Interactions with Water and Applications in Humidity Sensing

Katariina Solin; Maryam Borghei; Ozlem Sel; Hannes Orelma; Leena Sisko Johansson; Hubert Perrot; Orlando J. Rojas

doi:10.1021/acsami.0c09997

Electrically Conductive Thin Films Based on Nanofibrillated Cellulose : Interactions with Water and Applications in Humidity Sensing

Katariina Solin, Maryam Borghei, Ozlem Sel^*, Hannes Orelma, Leena Sisko Johansson, Hubert Perrot, Orlando J. Rojas^*

^*Corresponding author for this work

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

26 Citations (Scopus)

Abstract

TEMPO-oxidized cellulose nanofibrils (TOCNF) and oxidized carbon nanotubes (CNT) were used as humidity-responsive films and evaluated using electroacoustic admittance (quartz crystal microbalance with impedance monitoring, QCM-I) and electrical resistivity. Water uptake and swelling phenomena were investigated in a range of relative humidity (% RH) between 30 and 60% and temperatures between 25 and 50 °C. The presence of CNT endowed fibril networks with high water accessibility, enabling fast and sensitive response to changes in humidity, with mass gains of up to 20%. The TOCNF-based sensors became viscoelastic upon water uptake, as quantified by the Martin-Granstaff model. Sensing elements were supported on glass and paper substrates and confirmed a wide window of operation in terms of cyclic % RH, bending, adhesion, and durability. The electrical resistance of the supported films increased by ∼15% with changes in % RH from 20 to 60%. The proposed system offers a great potential to monitor changes in smart packaging.

Original language	English
Pages (from-to)	36437-36448
Number of pages	12
Journal	ACS applied materials & interfaces
Volume	12
Issue number	32
DOIs	https://doi.org/10.1021/acsami.0c09997
Publication status	Published - 12 Aug 2020
MoE publication type	A1 Journal article-refereed

Keywords

carbon nanotubes
conductive ink
humidity sensing
nanocellulose
quartz crystal microbalance with impedance measurement (QCM-I)
viscoelastic properties
water interactions

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10.1021/acsami.0c09997

https://hal.sorbonne-universite.fr/hal-02912030Licence: Unspecified

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title = "Electrically Conductive Thin Films Based on Nanofibrillated Cellulose : Interactions with Water and Applications in Humidity Sensing",

abstract = "TEMPO-oxidized cellulose nanofibrils (TOCNF) and oxidized carbon nanotubes (CNT) were used as humidity-responsive films and evaluated using electroacoustic admittance (quartz crystal microbalance with impedance monitoring, QCM-I) and electrical resistivity. Water uptake and swelling phenomena were investigated in a range of relative humidity (% RH) between 30 and 60% and temperatures between 25 and 50 °C. The presence of CNT endowed fibril networks with high water accessibility, enabling fast and sensitive response to changes in humidity, with mass gains of up to 20%. The TOCNF-based sensors became viscoelastic upon water uptake, as quantified by the Martin-Granstaff model. Sensing elements were supported on glass and paper substrates and confirmed a wide window of operation in terms of cyclic % RH, bending, adhesion, and durability. The electrical resistance of the supported films increased by ∼15% with changes in % RH from 20 to 60%. The proposed system offers a great potential to monitor changes in smart packaging.",

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author = "Katariina Solin and Maryam Borghei and Ozlem Sel and Hannes Orelma and Johansson, {Leena Sisko} and Hubert Perrot and Rojas, {Orlando J.}",

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AU - Solin, Katariina

AU - Borghei, Maryam

AU - Sel, Ozlem

AU - Orelma, Hannes

AU - Johansson, Leena Sisko

AU - Perrot, Hubert

AU - Rojas, Orlando J.

N1 - | openaire: EC/H2020/760876/EU//INNPAPER | openaire: EC/H2020/788489/EU//BioELCell

PY - 2020/8/12

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N2 - TEMPO-oxidized cellulose nanofibrils (TOCNF) and oxidized carbon nanotubes (CNT) were used as humidity-responsive films and evaluated using electroacoustic admittance (quartz crystal microbalance with impedance monitoring, QCM-I) and electrical resistivity. Water uptake and swelling phenomena were investigated in a range of relative humidity (% RH) between 30 and 60% and temperatures between 25 and 50 °C. The presence of CNT endowed fibril networks with high water accessibility, enabling fast and sensitive response to changes in humidity, with mass gains of up to 20%. The TOCNF-based sensors became viscoelastic upon water uptake, as quantified by the Martin-Granstaff model. Sensing elements were supported on glass and paper substrates and confirmed a wide window of operation in terms of cyclic % RH, bending, adhesion, and durability. The electrical resistance of the supported films increased by ∼15% with changes in % RH from 20 to 60%. The proposed system offers a great potential to monitor changes in smart packaging.

AB - TEMPO-oxidized cellulose nanofibrils (TOCNF) and oxidized carbon nanotubes (CNT) were used as humidity-responsive films and evaluated using electroacoustic admittance (quartz crystal microbalance with impedance monitoring, QCM-I) and electrical resistivity. Water uptake and swelling phenomena were investigated in a range of relative humidity (% RH) between 30 and 60% and temperatures between 25 and 50 °C. The presence of CNT endowed fibril networks with high water accessibility, enabling fast and sensitive response to changes in humidity, with mass gains of up to 20%. The TOCNF-based sensors became viscoelastic upon water uptake, as quantified by the Martin-Granstaff model. Sensing elements were supported on glass and paper substrates and confirmed a wide window of operation in terms of cyclic % RH, bending, adhesion, and durability. The electrical resistance of the supported films increased by ∼15% with changes in % RH from 20 to 60%. The proposed system offers a great potential to monitor changes in smart packaging.

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KW - conductive ink

KW - humidity sensing

KW - nanocellulose

KW - quartz crystal microbalance with impedance measurement (QCM-I)

KW - viscoelastic properties

KW - water interactions

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Electrically Conductive Thin Films Based on Nanofibrillated Cellulose : Interactions with Water and Applications in Humidity Sensing

Abstract

Keywords

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BioELCell: Bioproducts Engineered from Lignocelluloses: from plants and upcycling to next generation materials

FinnCERES: Competence Center for the Materials Bioeconomy: A Flagship for our Sustainable Future

INNPAPER: Innovative and Smart Printed Electronics based on Multifunctionalized Paper: from Smart Labelling to Point of Care Bioplatforms

OtaNano - Nanomicroscopy Center

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Electrically Conductive Thin Films Based on Nanofibrillated Cellulose : Interactions with Water and Applications in Humidity Sensing

Abstract

Keywords

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Projects

BioELCell: Bioproducts Engineered from Lignocelluloses: from plants and upcycling to next generation materials

FinnCERES: Competence Center for the Materials Bioeconomy: A Flagship for our Sustainable Future

INNPAPER: Innovative and Smart Printed Electronics based on Multifunctionalized Paper: from Smart Labelling to Point of Care Bioplatforms

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OtaNano - Nanomicroscopy Center

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