Advances in blends preparation based on electrically conducting polymer

Bhadra, Jolly; Al‐Thani, Noora

doi:10.1007/s42247-019-00027-7

Cited by 31 publications

(17 citation statements)

References 52 publications

(56 reference statements)

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“…As the temperature increased the segments of polymers moved and trapped charges were released. The trapped charges releasing was a suited with molecular motion, and cased current increase with temperature increase [32,33]. The results proved that 4 wt% PANI was of the highest conductivity.…”

Section: Ionic Conductivitymentioning

confidence: 80%

“…The total polarization was the sum of electric, atomic and rotational polarization. It was seen dielectric constants decrease with a frequency which was to rotational motion of polar molecules of dielectric material that was not speeding enough to reach the equilibrium state with the electric field at high frequencies that was in good agreement with [30][31][32].…”

Section: Dielectric Constantmentioning

confidence: 93%

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Preparation and Characterization of PANI/PVA Blends as Electrolyte Materials

Akram¹,

Hameed²

2022

JASN

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This work presents a detailed study on the preparation and performance of polyaniline (PANI)/Polyvinyl alcohol (PVA) blend. The blends are prepared by the casting method at different weight ratios (1, 2, 3, 4, and 5 wt%). The structural morphology was characterized using scanning electron microscope SEM. The morphological analysis showed a uniform blend of PANI with PVA matrix. PVA exhibits lamellae structure of different shapes and dimensions. For 1% PANI, the results showed homogeneous blending, which decreases with an increase of the PANI ratio. Phase separation and semispherical region formation in the PVA matrix were seen. It was found that incompatibilities increase with increasing the PANI ratio. Also, the results proved in the blends scanning electron microscope anilinium cationradical surfaces for an aggregate of different dimension and spherical shapes, which induced by surface tension. The electrical conductivity study of PANI/PVA blends and PVA reveals that PANI/PVA gives the conductivity of 10 −4 (cm.Ω) -1 , while PVA presented the lowest conductivity with the value of 10 −12 (cm.Ω) -1 . The results also showed an increase in ionic conductivity with temperature and PANI weight ratio. The increase in electrical conduction with increasing temperatures is due to the negative thermal coefficient, this result is attributed to the polymer chains that act as traps for charge carriers, and when the temperature rises, the transfer mechanism will be reigned by the hopping process.

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Section: Ionic Conductivitymentioning

confidence: 80%

Section: Dielectric Constantmentioning

confidence: 93%

Preparation and Characterization of PANI/PVA Blends as Electrolyte Materials

Akram¹,

Hameed²

2022

JASN

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“…Another category of organic semiconductor is conducting polymer and like molecular semiconductors, it has also attracted an extensive curiosity among researchers. The most important characteristics of conducting polymers, to make it suitable candidate for electronic devices, are low cost [120], flexible [121], solution processable [122][123][124][125][126] and foremost non toxic [127][128][129]. Therefore as far as device applications are concerned, the conducting polymers (CPs) have tremendous role in different fields including sensors [130][131][132][133], solar cells [134,135], batteries [136], organic light emitting diodes (OLED) [69,137,138], electromagnetic shielding [139,140] and thermoelectric power generators [141][142][143][144].…”

Section: Conducting Polymersmentioning

confidence: 99%

Electron Beam Induced Tailoring of Electrical Characteristics of Organic Semiconductor Films

et al. 2020

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Tailoring the characteristics of organic semiconductors including molecular semiconductor and conducting polymers is the frontline area of research for improving the performance of organic electronic devices. Electron beam treatment has been established as one of the easiest method in comparison to others like chemical doping, thermal processing, ozonolysis, UV and other ionizing radiation treatment, to tune the physico-chemical properties of organic semiconductors. High energy electron beam (EB) generated from an accelerators impinges energy to the material and causes several phenomena including doping, crosslinking, chain degradation, gas evolution, molecular structural modifications, oxidation and unsaturation. Such modifications lead to variation in electrical characteristics and consequently affect the overall device performances. In the present review we have focused on the different interaction processes of EB with organic semiconductors and its implications to tailor the performance of device comprising of it mainly gas sensors, field effect transistors, thermoelectric power generators and radiation dosimeters.

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“…Segundo a IUPAC, a mistura homogênea de dois ou mais polímeros leva à formação de blendas poliméricas. Em geral, as blendas poliméricas apresentam propriedades físico-químicas otimizadas em relação ao polímero de origem [1], sendo, portanto, muito utilizadas na área de alimentos, fármacos e de engenharia [2][3][4][5][6].…”

Section: Introductionunclassified

Preparo e caracterização de blendas de PVP/PAADDA / Preparation and characterizaion of PVP/PAADDA blends

Consendey¹,

Celestino²,

Shiguihara³

et al. 2021

BJDV

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RESUMOO objetivo desse trabalho foi preparar e caracterizar filmes da blenda de polivinilpirrolidona (PVP) e poliacrilamida-co-dialildimetilamônio (PAADDA) usando a técnica de evaparação do solvente. A miscibilidade entre o PVP e o PAADDA foi investigada através de medidas de viscosidade, espectroscopia vibracional na região do infravermelho (FTIR), difração de raios X (DRX), análise termogravimétrica (TGA) e calorimetria exploratória de varredura (DSC). Os resultados de viscosidade mostraram que o PVP e o PAADDA são miscíveis em solução aquosa. Os espectros de infravermelho exibiram as principais bandas dos polímeros nos filmes das blendas. Os resultados de DRX mostraram que o PAADDA diminui a cristalinidade do PVP. As curvas TGA mostraram que o PAADDA promove uma diminuição da temperatura inicial de degradação (Tonset) do PVP. Além disso, os resultados de DSC revelaram que o PAADDA atua como plastificante para o PVP.

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Advances in blends preparation based on electrically conducting polymer

Cited by 31 publications

References 52 publications

Preparation and Characterization of PANI/PVA Blends as Electrolyte Materials

Preparation and Characterization of PANI/PVA Blends as Electrolyte Materials

Electron Beam Induced Tailoring of Electrical Characteristics of Organic Semiconductor Films

Preparo e caracterização de blendas de PVP/PAADDA / Preparation and characterizaion of PVP/PAADDA blends

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