Highly elastic and flexible transparent conductive films derived from latex copolymerization: P(SSNa-BA-St)/PEDOT/graphene

Huang, Bo; Li, Xinxin; Zou, Qichao; Wang, Suxiao; Zhang, Jinzhi

doi:10.1039/c9ra09099a

Cited by 5 publications

(2 citation statements)

References 37 publications

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“…It is widely used in organic thin-film solar cells, organic light-emitting diodes (OLEDs), electrochromic devices, transparent electrodes, wearable electronics, flexible thermoelectric materials, , and other fields. Because PEDOT itself is insoluble in any solvent and is nonmelting, poly(sodium styrenesulfonate) (PSS) is usually used as a template and a dopant to fabricate the PEDOT:PSS aqueous dispersion and to improve the processability of PEDOT. − Through the electrostatic interaction with PSS, PEDOT can be dispersed in water medium with good stability due to the excellent hydrophilicity of PSS. , However, as PSS is an insulating substance, it affects the carrier transportation in PEDOT:PSS and lowers the conductivity of PEDOT when used as a template . A great deal of research has been conducted for improving the conductivity of PEDOT:PSS dispersions.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Performances of Poly(3,4-ethylenedioxythiophene) Aqueous Dispersions with a High Solid Content and Low Viscosity

Liao,

Li,

Wang

et al. 2024

ACS Appl. Eng. Mater.

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Poly(3,:poly(sodium styrenesulfonate) (PEDOT:PSS) is widely used in many aspects due to its good electrical conductivity. However, the low solid content of the PEDOT:PSS aqueous dispersion hinders its further application. Aiming to address this problem, a kind of novel "long-armed" crosslinked microspheres (cPBA@PSS), with crosslinked poly(butyl acrylate) as the core and poly(sodium styrenesulfonate) as the "long arm", is synthesized via reversible addition− fragmentation chain transfer (RAFT) soap-free emulsion polymerization. With the "long-armed" crosslinked microspheres as the template, poly(3,4-ethylenedioxythiophene):poly(butyl acrylate-co-sodium styrenesulfonate) (PEDOT:cPBA@PSS) with a high solid content and low viscosity is successfully fabricated. The structures of cPBA@PSS are confirmed by infrared spectroscopy and hydrogen nuclear magnetic resonance spectroscopy. A PEDOT:cPBA@PSS aqueous dispersion with a solid content as high as 25 wt % is obtained by using long-armed crosslinked microspheres as the template due to the reduction of the entanglement between macromolecules. The kinetic study shows that the solid content of the dispersion has little effect on the polymerization rate of 3,4ethylenedioxythiophene (EDOT). However, the viscosity of PEDOT:cPBA@PSS aqueous dispersions increases with an increase in the solid content. A PEDOT:cPBA@PSS aqueous dispersion with a solid content of up to 25 wt % shows a viscosity of about 37 mPa•s. The effect of the solid content on the transparency of PEDOT:cPBA@PSS films is studied, and no significant impact on film transparency is observed. The transmittance of the films at 550 nm is over 80%. The conductivity of the PEDOT:cPBA@PSS film increases with an increase in the solid content of the dispersion. The PEDOT:cPBA@PSS aqueous dispersion with a solid content of 25 wt % shows a conductivity of 0.68 S/cm when the ratio of PEDOT to cPBA@PSS is 1:1. The conductivity of the PEDOT:cPBA@PSS film can also be enhanced by secondary doping of dimethyl sulfoxide (DMSO), and the conductivity of the PEDOT:cPBA@PSS film can be increased to about 3.82 S/cm. This study shows that the use of the long-armed crosslinked microsphere cPBA@PSS as a template is an effective method to fabricate PEDOT aqueous dispersions with a high solid content and low viscosity.

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Section: Introductionmentioning

confidence: 99%

Synthesis and Performances of Poly(3,4-ethylenedioxythiophene) Aqueous Dispersions with a High Solid Content and Low Viscosity

Liao,

Li,

Wang

et al. 2024

ACS Appl. Eng. Mater.

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“…Stretchable and conductive composites are typically composed of a combination of conductive rigid metal filler particles, for example, Ag, Au, Cu, Ni, and carbon, [1][2][3] with elastomer matrices, typical polyurethanes (PUs), block-copolymers, and silicones. [1,[3][4][5] Their electrical conductivity arises from the that permit a facile separation through the magnetic force. The novel biphasic composites use ≈3-µm-sized Ni filler particles as filler, to replace the costly Ag flake, [18] and permit easier separation from the costly LM, through the use of magnetic force.…”

Section: Introductionmentioning

confidence: 99%

Digitally Printable Magnetic Liquid Metal Composite for Recyclable Soft‐Matter Electronics

Hajalilou

Parvini

Pereira

et al. 2023

Adv Materials Technologies

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The increasing interest in epidermal patches for wearable monitoring makes it urgent to move toward “greener” and recyclable materials in printed electronics. However, combining scalable fabrication, stretchable function, and recyclable material architecture is challenging to achieve. Herein, this article introduces a printable biphasic liquid metal (LM)‐based composite that combines excellent electrical conductivity, high stretchability, low‐electromechanical gauge factor, printability, sinter‐free functionality, and compatibility with heat‐sensitive substrates, thanks to the sinter‐free formulation. The novel eutectic gallium indium LM‐nickel‐styrene‐isoprene (SIS) thermoplastic elastomer composite takes advantage of a “greener” solvent composed of a mixture of methyl acetate, cyclohexane, and 4‐chlorobenzotrifluoride compared to the toluene used in block copolymers (BCPs). Furthermore, it replaces the costly micron‐sized silver flake filler particles with nickel, a lower‐cost alternative that enables facile recyclability by using a magnetic force. The use of BCPs with non‐permanent physical cross‐links enables the possibility of recycling. A green route is shown for recycling the composite, using only bio‐friendly acids and daily used products such as sugar and Epsom salt. The application of these composites is shown through the digital printing of stretchable circuits and magnetic switches.

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Nanocomposites of PEDOT:PSS with Graphene and its Derivatives for Flexible Electronic Applications: A Review

Adekoya

Sadiku

Ray

2021

Macro Materials & Eng

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Rapid technological advancements in flexible nanoelectronics have fueled the need for high‐performance materials with advanced structural architectures and superior properties. In this regard, conducting polymer nanocomposites are at the forefront of current innovative research owing to their excellent properties. Among these sets of unique materials, poly(3,4‐ethylenedioxythiophene)‐poly(styrenesulfonic acid) (PEDOT:PSS) nanocomposites continue to pave the way in several applications including those entailing thermoelectricity, transparent electrodes, photovoltaics, technical coatings, lighting, sensing, bioelectronics, hole transport layers, interconnectors, electroactive layers, and motion‐sensing conductors. The versatility and intriguing properties of these composites, particularly with 2D nanomaterials, have garnered significant attention from academia as well as industry. Therefore, in this review, the latest developments in PEDOT:PSS nanocomposites with graphene and its derivatives are focused on. First, the synthesis and fabrication of PEDOT:PSS nanocomposites with emphasis on recent techniques developed to overcome the challenges associated with direct production is discussed. Thereafter, the characterization and thermoelectric properties of the materials are explained. This provides detailed insights into the characteristic features of various nanocomposites and the influence of individual nanoparticles in the PEDOT:PSS matrix. Then, a conclusion, including a critical summary of the extensive applications of the PEDOT:PSS/graphene nanocomposites for electrochemical, electrostatic, optoelectronic, and thermoelectric devices, is provided.

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Highly elastic and flexible transparent conductive films derived from latex copolymerization: P(SSNa-BA-St)/PEDOT/graphene

Abstract: We reported an transparent, water resistant, and flexible conductive materials P(SSNa-BA-St)/PEDOT/graphene and their conductivity are due to the large surface area to polymerize the extended PEDOT chain on the nanoparticles.

Cited by 5 publications

References 37 publications

Synthesis and Performances of Poly(3,4-ethylenedioxythiophene) Aqueous Dispersions with a High Solid Content and Low Viscosity

Synthesis and Performances of Poly(3,4-ethylenedioxythiophene) Aqueous Dispersions with a High Solid Content and Low Viscosity

Digitally Printable Magnetic Liquid Metal Composite for Recyclable Soft‐Matter Electronics

Nanocomposites of PEDOT:PSS with Graphene and its Derivatives for Flexible Electronic Applications: A Review

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