Cellulose paper for flexible electronics: design and technology

Yadav, Supriya; Sharma, Nidhip; Akhtar, Jamil

doi:10.1088/978-0-7503-3439-6ch10

Cited by 3 publications

(2 citation statements)

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“…There are very limited studies that rifle the structural analysis of paper substrates (Chang and Kim, 2020).Choosing paper substrate in biosensing applications depends on numerous characteristics such as pores, porosity and surface quality (roughness/smoothness). The cellulose fiber bonding makes a unique pore structure on every paper material (Walji and MacDonald, 2016;Mai et al, 2019;Yadav et al, 2021b;Sunhazim et al, 2022). Thus, each cellulose fiber behaves like a microfluidic channel.…”

Section: Introductionmentioning

confidence: 99%

Structural analysis of paper substrate for flexible microfluidics device application

Yadav

Singh

Gupta

et al. 2023

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Purpose The purpose of this paper is to predict a suitable paper substrate which has high capillary pressure with the tendency of subsequent fluid wrenching in onward direction for the fabrication of microfluidics device application. Design/methodology/approach The experiment has been done on the WhatmanTM grade 1, WhatmanTM chromatography and nitrocellulose paper samples which are made by GE Healthcare Life Sciences. The structural characterization of paper samples for surface properties has been done by scanning electron microscope and ImageJ software. Identification of functional groups on the surface of samples has been done by Fourier transform infrared analysis. A finite elemental analysis has also been performed by using the “Multiphase Flow in Porous Media” module of the COMSOL Multiphysics tool which combines Darcy’s law and Phase Transport in Porous Media interface. Findings Experimentally, it has been concluded that the paper substrate for flexible microfluidic device application must have large number of internal (intra- and interfiber) pores with fewer void spaces (external pores) that have high capillary pressure to propel the fluid in onward direction with narrow paper fiber channel. Originality/value Surface structure has a dynamic impact in paper substrate utilization in multiple applications such as paper manufacturing, printing process and microfluidics applications.

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Section: Introductionmentioning

confidence: 99%

Structural analysis of paper substrate for flexible microfluidics device application

Yadav

Singh

Gupta

et al. 2023

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“…Cellulose is a natural biodegradable polymer used in paper‐electronics 21–23 and biomedical applications 24–27 . The dielectric constant (

ε_{r}

) of cellulose is ~7 28 .…”

Section: Introductionmentioning

confidence: 99%

Enhanced dielectric properties of freestanding, flexible, hydrophobic cellulose/poly(vinylidene fluoride) composite films

Jangra

Thakur

Dam

et al. 2022

Journal of Polymer Science

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Freestanding, composite films of poly(vinylidene fluoride) (PVDF) and cellulose were synthesized and characterized for morphological, microstructural, vibrational and dielectric properties. The thickness of the freestanding films was found to be $38 μm. Contact angle measurements showed the hydrophobic nature of the composite films. Fourier transformed infrared (FTIR) spectroscopy confirmed the reduction in the α phase content of the PVDF films with the addition of fillers. The measured dielectric constant of the composite films was found to be more than two times than that of the pristine films. An increase in the dielectric constant of the composite films was attributed to the Maxwell-Wagner-Sillars (MWS) polarization. A triboelectric nanogenerator (TENG) operating in a vertical contact-separation configuration was fabricated using these composite films. A maximum output power density of $6 μW/cm 2 was achieved from the TENG fabricated using the composite films.

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Analysis of fluid transport on porous material for flexible microfluidic device applications

Yadav¹,

Gupta²,

Singh³

et al. 2023

2nd International Conference on Materials for Energy and Environment 2020

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Cellulose paper for flexible electronics: design and technology

Cited by 3 publications

References 0 publications

Structural analysis of paper substrate for flexible microfluidics device application

Structural analysis of paper substrate for flexible microfluidics device application

Enhanced dielectric properties of freestanding, flexible, hydrophobic cellulose/poly(vinylidene fluoride) composite films

Analysis of fluid transport on porous material for flexible microfluidic device applications

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