Polyaniline nanofibers: broadening applications for conducting polymers

2017 ◽  
Vol 46 (5) ◽  
pp. 1510-1525 ◽  
Author(s):  
Christina O. Baker ◽  
Xinwei Huang ◽  
Wyatt Nelson ◽  
Richard B. Kaner
Keyword(s):  
Conducting Polymers ◽  
Conducting Polymer ◽  
Polyaniline Nanofibers

Nanostructured polyaniline is the key to greater success of this unique conducting polymer.

Celery Electronics

MRS Advances ◽  
2020 ◽  
Vol 5 (16) ◽  
pp. 847-853
Author(s):  
Rhiannon Morris ◽  
Holly Warren ◽  
Marc in het Panhuis
Keyword(s):  
Heavy Metal ◽  
Conducting Polymers ◽  
Conducting Polymer ◽  
Energy Production ◽  
Electrical Impedance ◽  
Vascular System ◽  
Impedance Analysis ◽  
Living System ◽  
Electronic Circuits ◽  
Heavy Metal Waste

ABSTRACTPlants produce energy in a sustainable way, they are very effective in converting light energy into a useable form. Utilising certain parts of plants in technology could become an efficient way to enhance energy production and improve sustainability. Integrating plants with technology would offer a ‘green’ way of producing elements for electronic circuits and reduce heavy metal waste. In this paper, we demonstrate that conducting polymers can be incorporated into living system such as celery. Electrical impedance analysis was used to establish the conductivity of celery with a conducting polymer (PEDOT:PSS) into its vascular system. It was demonstrated that electronic celery exhibited conductivity values of up to 0.55 ± 0.03 S/cm. This conductivity value was sufficient to demonstrate the potential of celery electronics where celery stalks are used as electrodes in simple circuits.

Small bioactive molecules as dual functional co-dopants for conducting polymers

2015 ◽  
Vol 3 (25) ◽  
pp. 5058-5069 ◽  
Author(s):  
J. A. Goding ◽  
A. D. Gilmour ◽  
P. J. Martens ◽  
L. A. Poole-Warren ◽  
R. A. Green
Keyword(s):  
Electron Microscope ◽  
Scanning Electron Microscope ◽  
Surface Morphology ◽  
Conducting Polymers ◽  
Conducting Polymer ◽  
Bioactive Molecules ◽  
Scanning Electron Microscope Image ◽  
Dual Functional ◽  
Electron Microscope Image ◽  
Scanning Electron

Scanning electron microscope image of surface morphology of conducting polymer PEDOT doped with bioactive molecules.

Bendable graphene/conducting polymer hybrid films for freestanding electrodes with high volumetric capacitances

RSC Advances ◽  
2016 ◽  
Vol 6 (4) ◽  
pp. 2951-2957 ◽  
Author(s):  
Lu Mao ◽  
Meng Li ◽  
Junmin Xue ◽  
John Wang
Keyword(s):  
Graphene Oxide ◽  
Conducting Polymers ◽  
Reduced Graphene Oxide ◽  
Conducting Polymer ◽  
Hybrid Films ◽  
Capacitive Performance ◽  
One Dimensional ◽  
Polymer Hybrid ◽  
Reduced Graphene ◽  
Volumetric Capacitance

Bendable freestanding films composed of reduced graphene oxide and one dimensional conducting polymers exhibit superior capacitive performance in terms of gravimetric capacitance and volumetric capacitance.

Actuator-Like Hydrogels Based on Conductive Chitosan

2012 ◽  
Vol 84 ◽  
pp. 29-38 ◽  
Author(s):  
Jacques Desbrieres ◽  
Stephanie Reynaud ◽  
Pierre Marcasuzaa ◽  
Francis Ehrenfeld
Keyword(s):  
Mechanical Properties ◽  
Block Copolymer ◽  
Conducting Polymers ◽  
Rheological Properties ◽  
Conducting Polymer ◽  
Composite Hydrogel ◽  
Composite Gels ◽  
Grafting Reaction ◽  
Intrinsically Conducting Polymers ◽  
Low Solubility

Intrinsically conducting polymers are of great interest for a large number of applications. But among major drawbacks are their low solubility in common solvents and their poor mechanical properties. Elaboration of composites associating a matrix, bringing its mechanical properties, and polyaniline, as the conducting polymer is a way of overcoming these disadvantages. Chitosan-graft-polyaniline copolymers were synthesized by simple oxidative method. The grafting reaction was quite total and it was found that the copolymers crosslinked to yield a composite hydrogel in which the polyaniline was homogeneously embedded. The conductivity of precursor (block copolymer) and gels was found to be larger than 10-2 S.cm-1. The composite gels were characterized in terms of swelling and rheological properties. They can be classified as "superabsorbent" hydrogels and the swelling is reversible. The composite gels were then successfully used as actuators.

Stretchable Polymeric Neural Electrode Array: Toward a Reliable Neural Interface

2015 ◽  
Vol 1795 ◽  
pp. 1-12
Author(s):  
Liang Guo
Keyword(s):  
Conducting Polymers ◽  
Conducting Polymer ◽  
Signal To Noise Ratio ◽  
Electrode Array ◽  
Polymer Coatings ◽  
Neural Interface ◽  
Uniaxial Tensile ◽  
Multielectrode Array ◽  
Metal Electrodes ◽  
Tissue Integration

ABSTRACTConducting polymers are often employed as coatings on smooth metal electrodes to improve the electrode performance with respect to the signal-to-noise ratio for neural recording, charge-injection capacity for neural stimulation, and inducement of neural growth for electrode-tissue integration. However, adhesion of conducting polymer coatings on metal electrodes is poor, making the coating less durable and the electrical property of the electrode less stable. Moreover, conventional conducting polymers have relative low conductance, preventing their direct use as the electrode and lead material; and they are brittle, making it difficult for flexible neural electrodes to incorporate conducting polymer coatings. We have developed a new polypyrrole/polyol-borate composite film with concurrent excellent electrical and mechanical properties. We further developed a method to fabricate a stretchable multielectrode array using this new material as the sole conductor for both electrodes and leads, in contrast with the conventional approach of incorporating conducting polymers only through coating on non-stretchable metal electrodes. The resulting stretchable polymeric multielectrode array (SPMEA) was stretchable up to 23% uniaxial tensile strain with minimal losses in electrical conductivity. Electrochemical testing revealed the SPMEA’s impressive advantage for recording local field neural potentials and for epimysial stimulation of denervated skeletal muscles. As a neural interface engineer, I would also like to compare the compliant neural interfacing technology to other technologies, such as optogenetics, radiogenetics, and even a living neural interface that is currently under development in our lab.

Reduced efficiency roll-off in light-emitting diodes enabled by quantum dot–conducting polymer nanohybrids

2014 ◽  
Vol 2 (25) ◽  
pp. 4974-4979 ◽  
Author(s):  
Wan Ki Bae ◽  
Jaehoon Lim ◽  
Matthias Zorn ◽  
Jeonghun Kwak ◽  
Young-Shin Park ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Conducting Polymers ◽  
Conducting Polymer ◽  
Light Emitting Diodes ◽  
Colloidal Quantum Dots ◽  
Light Emitting

Hybridization of colloidal quantum-dots and conducting polymers improves the efficiency roll-off of quantum-dot light-emitting diodes.

scholarly journals Recent Trends and Developments in Conducting Polymer Nanocomposites for Multifunctional Applications

Polymers ◽  
2021 ◽  
Vol 13 (17) ◽  
pp. 2898
Author(s):  
Shubham Sharma ◽  
P. Sudhakara ◽  
Abdoulhdi A. Borhana Omran ◽  
Jujhar Singh ◽  
R. A. Ilyas
Keyword(s):  
Solar Cells ◽  
Fuel Cells ◽  
Electrical Properties ◽  
Conducting Polymers ◽  
Shape Memory ◽  
Polymer Nanocomposites ◽  
Conducting Polymer ◽  
Flexible Electronics ◽  
Inorganic Semiconductors ◽  
Electrically Conducting

Electrically-conducting polymers (CPs) were first developed as a revolutionary class of organic compounds that possess optical and electrical properties comparable to that of metals as well as inorganic semiconductors and display the commendable properties correlated with traditional polymers, like the ease of manufacture along with resilience in processing. Polymer nanocomposites are designed and manufactured to ensure excellent promising properties for anti-static (electrically conducting), anti-corrosion, actuators, sensors, shape memory alloys, biomedical, flexible electronics, solar cells, fuel cells, supercapacitors, LEDs, and adhesive applications with desired-appealing and cost-effective, functional surface coatings. The distinctive properties of nanocomposite materials involve significantly improved mechanical characteristics, barrier-properties, weight-reduction, and increased, long-lasting performance in terms of heat, wear, and scratch-resistant. Constraint in availability of power due to continuous depletion in the reservoirs of fossil fuels has affected the performance and functioning of electronic and energy storage appliances. For such reasons, efforts to modify the performance of such appliances are under way through blending design engineering with organic electronics. Unlike conventional inorganic semiconductors, organic electronic materials are developed from conducting polymers (CPs), dyes and charge transfer complexes. However, the conductive polymers are perhaps more bio-compatible rather than conventional metals or semi-conductive materials. Such characteristics make it more fascinating for bio-engineering investigators to conduct research on polymers possessing antistatic properties for various applications. An extensive overview of different techniques of synthesis and the applications of polymer bio-nanocomposites in various fields of sensors, actuators, shape memory polymers, flexible electronics, optical limiting, electrical properties (batteries, solar cells, fuel cells, supercapacitors, LEDs), corrosion-protection and biomedical application are well-summarized from the findings all across the world in more than 150 references, exclusively from the past four years. This paper also presents recent advancements in composites of rare-earth oxides based on conducting polymer composites. Across a variety of biological and medical applications, the fact that numerous tissues were receptive to electric fields and stimuli made CPs more enticing.

Optical study of electrochromic moving fronts for the investigation of ion transport in conducting polymers

2016 ◽  
Vol 4 (18) ◽  
pp. 3942-3947 ◽  
Author(s):  
Sahika Inal ◽  
George G. Malliaras ◽  
Jonathan Rivnay
Keyword(s):  
Conducting Polymers ◽  
Ion Transport ◽  
Polymer Film ◽  
Conducting Polymer ◽  
Spectroscopic Investigation ◽  
Optical Study

Spectroscopic investigation of electrochromic moving fronts enables the study of ion transport in complex conducting polymer film morphologies.

Electrical percolation in composites of conducting polymers and dielectrics

2015 ◽  
Vol 35 (8) ◽  
pp. 731-741 ◽  
Author(s):  
Andrzej Katunin ◽  
Katarzyna Krukiewicz
Keyword(s):  
Electrical Conductivity ◽  
Composite Material ◽  
Numerical Model ◽  
Conducting Polymers ◽  
Conducting Polymer ◽  
Manufacturing Cost ◽  
High Electrical Conductivity ◽  
Electrical Percolation ◽  
Percolation Thresholds ◽  
High Conductance

Abstract This article deals with the electrical conductivity of a composite of two polymers, one of which is a conducting polymer, whereas the second is a dielectric. The problem was formulated within the framework of electrical percolation, i.e., the percolation thresholds, which allow for a high electrical conductivity, is under investigation. For this purpose, a numerical model was developed, and its parameters were analyzed and discussed. Based on the determined thresholds, it was possible to evaluate the weight ratios of the conducting-dielectric polymers in a composite. The proposed approach allows for reducing the manufacturing cost of composite material with respect to conducting polymers with simultaneous retaining of high conductance properties of conducting polymers, as well as durability and flexibility of dielectrics.

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