Positive impact of cellulose nanofibrils on silver nanowire coatings for transparent conductive films

Hoeng, Fanny; Denneulin, Aurore; Krosnicki, Guillaume; Bras, Julien

doi:10.1039/c6tc03629e

Cited by 47 publications

(40 citation statements)

References 47 publications

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“…Also their surfaces are smoother, which can be important, e.g., for high definition of linewidths in printed devices. Nanopapers can be furnished also by a wealth of other functional properties, like barrier properties to reduce vapour permeation, fire‐retardancy, magnetic properties, and electrical conductivity . Among the potential applications, we foresee that nanopaper device substrates for flexible transparent devices are particularly promising.…”

Section: Functional Materials Based On Nanocellulosesmentioning

confidence: 99%

Advanced Materials through Assembly of Nanocelluloses

et al. 2018

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There is an emerging quest for lightweight materials with excellent mechanical properties and economic production, while still being sustainable and functionalizable. They could form the basis of the future bioeconomy for energy and material efficiency. Cellulose has long been recognized as an abundant polymer. Modified celluloses were, in fact, among the first polymers used in technical applications; however, they were later replaced by petroleum-based synthetic polymers. Currently, there is a resurgence of interest to utilize renewable resources, where cellulose is foreseen to make again a major impact, this time in the development of advanced materials. This is because of its availability and properties, as well as economic and sustainable production. Among cellulose-based structures, cellulose nanofibrils and nanocrystals display nanoscale lateral dimensions and lengths ranging from nanometers to micrometers. Their excellent mechanical properties are, in part, due to their crystalline assembly via hydrogen bonds. Owing to their abundant surface hydroxyl groups, they can be easily modified with nanoparticles, (bio)polymers, inorganics, or nanocarbons to form functional fibers, films, bulk matter, and porous aerogels and foams. Here, some of the recent progress in the development of advanced materials within this rapidly growing field is reviewed.

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Section: Functional Materials Based On Nanocellulosesmentioning

confidence: 99%

Advanced Materials through Assembly of Nanocelluloses

et al. 2018

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“…These new developments are based on previous works, performed by our team, dealing with the synthesis of CNC-silver nano-structured particles. 27 The suitability of CNC-silver hybrid suspension as conductive inkjet ink was evaluated. To fulll all the inkjet printing requirements, investigations on suspension physico-chemical properties as well as a ne-tuning of the formulation were performed.…”

Section: Introductionmentioning

confidence: 99%

Inkjet printing of nanocellulose–silver ink onto nanocellulose coated cardboard

et al. 2017

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“…Hydrophobic repellent cellulosic substrates have been attained by further treatment using wax or silica nanoparticles . CNF has been found to serve as a protection matrix when premixed with silver nanowires (AgNWs) in the fabrication of transparent conducting paper without disturbing the electrical property of the AgNWs and a good environmental stability was achieved . Furthermore, due to the presence of impermeable crystalline as well as the denser amorphous region, cellulose was found to afford greater gas barrier property .…”

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Transparent, Flexible Cellulose Nanofibril–Phosphorene Hybrid Paper as Triboelectric Nanogenerator

Cui

Parida

Lin

et al. 2017

Adv Materials Inter

106

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transition metal dichalcogenides (TMD) materials have been well investigated and developed and applied in different fields such as transistors, [14] supercapacitors, [12,15] and photodetectors. [16] Que et al. reported using graphene oxide for acoustic energy harvester, [17] Tian et al. reported a graphene oxide based electrostatic nanogenerator, [18] and Wu et al. reported the piezoelectricity of single-layer MoS 2 . [19] Among all the 2D materials, phosphorene: a monolayer of black phosphorus is generating interest due to the high carrier mobility up to 286 cm 2 V −1 s −1 [20] and good semiconducting properties. [21,22] In comparison to other 2D materials, phosphorene exhibits in-plane anisotropic transport and a tunable band gap with different numbers of layers. [21] However, the stability of phosphorene is still dire for real applications. [23] While exposed in the ambient condition, the phosphorus atoms would be oxidized into oxidation state with three to five neighboring phosphorous, oxygen, or hydrogen atoms. [24] Although, researchers have developed encapsulation techniques to protect the phosphorene surface against oxidation, [23] this is not an ideal way due to disturbance to the intrinsic property and additional cost. Density functional theory was used to evaluate the electrical properties of molecular doping of phosphorene. An open-circuit voltage of ≈2.7 V was calculated by using the molecular doped phosphorene. [25] So far, there is no report on the realization of phosphorenebased TENG, mainly due to its instability in the ambient condition. Here, we design and fabricate a tempo-oxidized cellulose nanofibril (CNF)/phosphorene based TENG, in which CNF is introduced as a supporting matrix or host material that does not contribute substantially or interfere the TENG performance due to the small positive charge of CNF (quite close to zero in the triboelectric series table). More importantly, CNF serves as a protection for the phosphorene against oxygen to solve the environmental stability issue. CNF is composed of nanosized cellulose fibrils with high length-to-width ratio. [26] Normally, CNFs are isolated from natural resources containing cellulose such as wood fibers. Through a series of treatment including high-pressure, high-temperature, and high velocity homogenization, the diameter of CNFs in the range of 5-20 nm can be achieved. [26] Hydrophobic repellent cellulosic substrates have been attained by further treatment using wax [27] or silica nanoparticles. [28] CNF has been found to serve as a protection matrix when premixed with silver nanowires (AgNWs) in the fabrication of transparent conducting paper without disturbing Few-layered phosphorene is exfoliated through a liquid phase exfoliation in ethanol, acting as an additive to mix with tempo-oxidized cellulose nanofibrils (CNF), forming a transparent, flexible nanogenerator paper. The gas barrier property of CNF protects phosphorene against oxidation in ambient condition. The phosphorene in the hybrid paper is stable over six months even with ...

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Positive impact of cellulose nanofibrils on silver nanowire coatings for transparent conductive films

Abstract: A hybrid cellulose nanofibril (CNF)–silver nanowire stable suspension has been used as a coating for providing transparent flexible conductive films.

Cited by 47 publications

References 47 publications

Advanced Materials through Assembly of Nanocelluloses

Advanced Materials through Assembly of Nanocelluloses

Inkjet printing of nanocellulose–silver ink onto nanocellulose coated cardboard

Transparent, Flexible Cellulose Nanofibril–Phosphorene Hybrid Paper as Triboelectric Nanogenerator

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