Injectable PEDOT:PSS/cholinium ionic liquid mixed conducting materials for electrocardiogram recordings

Review Chemistry, Multidisciplinary

Structures and Materials in Stretchable Electroluminescent Devices

Hexing Yin et al.

Summary: This article explores the fabrication techniques and materials for stretchable electroluminescent (EL) devices, addressing challenges in stretchable transparent electrodes, emissive materials, and intrinsically stretchable EL devices.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Hard-Cation-Soft-Anion Ionic Liquids for PEDOT:PSS Treatment

Changwon Choi et al.

Summary: According to the study, conducting polymer poly(3,4ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) can experience significant conductivity enhancement when treated with specific ionic liquids (ILs). The combination of a hydrophilic hard cation A(+) and a hydrophobic soft anion X- is proposed as the best ILs based on the principle of hard-soft-acid-base. This type of ILs can efficiently decouple hydrophilic-but-insulating PSS- from conducting-but hydrophobic PEDOT+ through strong interactions with hydrophilic A(+) and hydrophobic X-.

JOURNAL OF PHYSICAL CHEMISTRY B (2022)

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Article Materials Science, Biomaterials

Gelatin and Tannic Acid Based longels for Muscle Activity Recording and Stimulation Electrodes

Ana Aguzin et al.

Summary: Bioionic gels, prepared from biocompatible materials, are soft ionic conducting materials with high ionic conductivity values. They exhibit excellent performance in bioelectronic devices.

ACS BIOMATERIALS SCIENCE & ENGINEERING (2022)

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Article Chemistry, Multidisciplinary

Stretchable and Self-Healing Interlocking All-in-One Supercapacitors Based on Multiple Cross-Linked Hydrogel Electrolytes

Tao Cheng et al.

Summary: High-capacity, stretchable, and self-healing supercapacitors with all-in-one structures are constructed by utilizing multiple cross-linking effects and dynamic reversible non-covalent bonding of a stretchable and self-healing hydrogel electrolyte. The devices exhibit excellent stretchability, superior self-healing ability, and high specific capacitance.

ADVANCED MATERIALS INTERFACES (2022)

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Article Engineering, Environmental

3D printable conductive polymer hydrogels with ultra-high conductivity and superior stretchability for free-standing elastic all-gel supercapacitors

Tao Cheng et al.

Summary: This study presents an effective gelation strategy for the fabrication of high-performance PEDOT:PSS hydrogels with excellent electrical conductivity, mechanical stretchability, and swelling behavior. The resulting hydrogels can be utilized as electrodes for the assembly of substrate-free, highly elastic all-gel supercapacitors with superior energy storage capacity and arbitrary deformability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Chemistry, Multidisciplinary

Understanding PEDOT doped with tosylate

Drew R. Evans

Summary: Conducting polymers, specifically PEDOT, have been extensively researched and developed for wearable electronic devices due to their ease of fabrication and stability. This review focuses on the vapor synthesis of PEDOT doped with the tosylate anion, controlling its morphology/structure during synthesis, and its application in sensors, energy devices, and drug delivery. The research team at the University of South Australia, led by Professor Evans, has made significant contributions in this field.

CHEMICAL COMMUNICATIONS (2022)

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Article Engineering, Biomedical

Conducting Polymer-Ionic Liquid Electrode Arrays for High-Density Surface Electromyography

Santiago Velasco-Bosom et al.

Summary: This study successfully used digital fabrication techniques to create scalable electrode arrays that captured high-quality spatiotemporal recordings from volunteers' forearms, paving the way for personalized medicine and highly articulate prostheses.

ADVANCED HEALTHCARE MATERIALS (2021)

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Article Polymer Science

Water Intake and Ion Exchange in PEDOT:Tos Films upon Cyclic Voltammetry: Experimental and Molecular Dynamics Investigation

Najmeh Delavari et al.

Summary: Through a combination of experiments and simulations, the study revealed significant morphological and mass changes in the PEDOT:Tos film during oxidation/reduction processes, confirming the replacement of tosylate by chloride ions. The relative mass change between the most oxidized and reduced states was around 10-14%, and the overall material loss during voltammetry cycles indicated that a portion of the material expelled during reduction did not return during subsequent oxidation. This research provides crucial insights into the molecular processes underlying the redox process of PEDOT:Tos film, essential for improving and evaluating the performance of bioelectronic devices.

MACROMOLECULES (2021)

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Article Nanoscience & Nanotechnology

3D Printable and Biocompatible Iongels for Body Sensor Applications

Gisela C. Luque et al.

Summary: This study introduces thermoreversible and biocompatible ionic liquid gels or iongels that can be processed by direct ink writing. These iongels exhibit high ionic conductivity and unique thermoreversible properties, making them suitable for various body sensors applications such as pressure sensors and electrodes for electrophysiological recordings.

ADVANCED ELECTRONIC MATERIALS (2021)

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Article Physics, Applied

Effect of Crystalline Microstructure Evolution on Thermoelectric Performance of PEDOT : PSS Films

Xuan Huang et al.

Summary: This study deepens the understanding of the impact of annealing-induced crystallization on the TE performance of PEDOT:PSS films, demonstrating that changes in crystallinity, crystal grain size, and morphology can enhance carrier mobility. This mechanism of crystallization engineering may be extended to other TE polymers and informs the rational design of organic and composite TE materials.

ENERGY MATERIAL ADVANCES (2021)

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Review Materials Science, Multidisciplinary

Mechanisms for doped PEDOT:PSS electrical conductivity improvement

Nur'Aishah Ahmad Shahrim et al.

Summary: This study focuses on increasing the electrical conductivity and efficiency of PEDOT:PSS by preparing doped PEDOT:PSS through different methods and systematically discussing various primary parameters that affect its conductivity. By analyzing remarkable studies over the past decade, the potential applications of doped PEDOT:PSS in bioelectronics and other fields are demonstrated.

MATERIALS ADVANCES (2021)

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Article Chemistry, Multidisciplinary

Room-Temperature-Formed PEDOT:PSS Hydrogels Enable Injectable, Soft, and Healable Organic Bioelectronics

Shiming Zhang et al.

ADVANCED MATERIALS (2020)

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Ink Development and Printing of Conducting Polymers for Intrinsically Stretchable Interconnects and Circuits

Ulrike Kraft et al.

ADVANCED ELECTRONIC MATERIALS (2020)

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Article Environmental Sciences

Cation and anion effect on the biodegradability and toxicity of imidazolium- and choline-based ionic liquids

I. F. Mena et al.

CHEMOSPHERE (2020)

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Direct Patterning of Highly Conductive PEDOT:PSS/Ionic Liquid Hydrogel via Microreactive Inkjet Printing

Mei Ying Teo et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Nanoscience & Nanotechnology

Ionic Liquids as Post-Treatment Agents for Simultaneous Improvement of Seebeck Coefficient and Electrical Conductivity in PEDOT:PSS Films

Nitin Saxena et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Ionic Liquid Designed for PEDOT:PSS Conductivity Enhancement

Ambroise de Izarra et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Mechanically tunable conductive interpenetrating network hydrogels that mimic the elastic moduli of biological tissue

Vivian R. Feig et al.

NATURE COMMUNICATIONS (2018)

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Article Materials Science, Multidisciplinary

DVS-Crosslinked PEDOT:PSS Free-Standing and Textile Electrodes toward Wearable Health Monitoring

Isabel del Agua et al.

ADVANCED MATERIALS TECHNOLOGIES (2018)

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Article Nanoscience & Nanotechnology

Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics

Mei Ying Teo et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Article Chemistry, Physical

Significantly Enhanced Thermoelectric Properties of PEDOT:PSS Films through Sequential Post-Treatments with Common Acids and Bases

Zeng Fan et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Multidisciplinary Sciences

A highly stretchable, transparent, and conductive polymer

Yue Wang et al.

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Fully Printed Electrodes on Stretchable Textiles for Long-Term Electrophysiology

Eloise Bihar et al.

ADVANCED MATERIALS TECHNOLOGIES (2017)

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Controlling Molecular Ordering in Aqueous Conducting Polymers Using Ionic Liquids

Seyoung Kee et al.

ADVANCED MATERIALS (2016)

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Electrostatic Effect on the Solution Structure and Dynamics of PEDOT:PSS

Michael A. Leaf et al.

MACROMOLECULES (2016)

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Cutaneous Recording and Stimulation of Muscles Using Organic Electronic Textiles

Maria Papaiordanidou et al.

ADVANCED HEALTHCARE MATERIALS (2016)

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The Crystallization of PEDOT:PSS Polymeric Electrodes Probed In Situ during Printing

Claudia M. Palumbiny et al.

ADVANCED MATERIALS (2015)

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Cholinium-based ion gels as solid electrolytes for long-term cutaneous electrophysiology

Mehmet Isik et al.

JOURNAL OF MATERIALS CHEMISTRY C (2015)

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Effective Approaches to Improve the Electrical Conductivity of PEDOT:PSS: A Review

Hui Shi et al.

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Understanding the Role of Cholinium Carboxylate Ionic Liquids in PEG-Based Aqueous Biphasic Systems

Teresa Mourao et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2014)

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High-efficiency hybrid solar cells by nanostructural modification in PEDOT:PSS with co-solvent addition

Joseph Palathinkal Thomas et al.

JOURNAL OF MATERIALS CHEMISTRY A (2014)

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Solution-Processed PEDOT:PSS Films with Conductivities as Indium Tin Oxide through a Treatment with Mild and Weak Organic Acids

Jianyong Ouyang

ACS APPLIED MATERIALS & INTERFACES (2013)

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Morphological Change and Mobility Enhancement in PEDOT:PSS by Adding Co-solvents

Qingshuo Wei et al.

ADVANCED MATERIALS (2013)

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Significant Different Conductivities of the Two Grades of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate), Clevios P and Clevios PH1000, Arising from Different Molecular Weights

Yijie Xia et al.

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Novel biocompatible cholinium-based ionic liquids-toxicity and biodegradability

Marija Petkovic et al.

GREEN CHEMISTRY (2010)

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Innovative materials and applications based on poly(3,4-ethylenedioxythiophene) and ionic liquids

Markus Doebbelin et al.

JOURNAL OF MATERIALS CHEMISTRY (2010)

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Effects of Layer Thickness and Annealing of PEDOT:PSS Layers in Organic Photodetectors

Bettina Friedel et al.

MACROMOLECULES (2009)

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Toxicity and biodegradability of imidazolium ionic liquids

A. Romero et al.

JOURNAL OF HAZARDOUS MATERIALS (2008)

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Influence of ionic liquids on the electrical conductivity and morphology of PEDOT:PSS films

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CHEMISTRY OF MATERIALS (2007)

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Injectable PEDOT:PSS/cholinium ionic liquid mixed conducting materials for electrocardiogram recordings

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