Semiconducting elastomers based on polyaniline/clay nanocomposites and SEBS obtained by an alternative processing technique

León-Almazán, Claudia María De; Estrada-Moreno, Iván Alziri; Olmedo‐Martínez, Jorge L.; Rivera‐Armenta, José Luis

doi:10.1016/j.synthmet.2020.116460

Cited by 8 publications

(5 citation statements)

References 42 publications

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“…The peaks at around 1355 cm -1 and 1590 cm -1 in the spectrum of BTO@MWCNTs were the G band and D band respectively from MWCNTs [27]. In the spectrum of BTO@MWCNTs/SEBS, C-CH2 stretching vibrations and C-H bending vibrations generated from SEBS appeared at 1000 and 1170 cm -1 respectively [28].…”

Section: Resultsmentioning

confidence: 96%

A flexible dual-mode pressure sensor with ultra-high sensitivity based on BTO@MWCNTs core-shell nanofibers

Zhou

et al. 2022

Composites Science and Technology

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Section: Resultsmentioning

confidence: 96%

A flexible dual-mode pressure sensor with ultra-high sensitivity based on BTO@MWCNTs core-shell nanofibers

Zhou

et al. 2022

Composites Science and Technology

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“…2N). The =C-H and -C=CH stretching of styrene segments of SEBS can be observed at 1605 cm -1 , 1004 cm -1 , and 623 cm -1 [35]. Furthermore, C-H vibrations located at 1153 cm -1 and 1001 cm -1 can be ascribed to the elastic portion (ethylene-butylene) of SEBS [36].…”

Section: Structural and Morphological Characterizationmentioning

confidence: 94%

Ultra-stretchable and superhydrophobic textile-based bioelectrodes for robust self-cleaning and personal health monitoring

et al. 2022

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“…ПАн у своїх формах-станах має багато оптичних [18], електрохромних [14,19] і багатьох інших [15−16] властивостей. Композитні матеріали, до складу яких входить ПАн, також володіють напівпровідниковими властивостями [20].…”

Section: вступunclassified

Energy Band Gap and the Refractive Index for Polyaniline Thin Films of Polyaniline in Thin Films on Polyethylene Surface

Stetsiv¹,

Yatsyshyn²,

Reshetnyak³

2022

Proc. Shevchenko Sci. Soc. Chem. Sci.

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e-mail: yuliia.stetsiv@lnu.edu.ua Polyaniline (PAn) films, doped with citric acid, were synthesized on a polyethylene substrate by chemical oxidative polymerization using ammonium peroxydisulfate as an oxidant. The influence of monomer concentration on the optical properties of PAn films was investigated. Optical band gap, absorption coefficient, extinction coefficient, refractive index were calculated as a function of wavelength. Different methods for determining the energy of the energy gap (Tauc method and absorption spectrum fitting) were considered. It was found that the optical band gap for all thin PAn films is due to the direct allowed optical transitions. It was found that the band gap of PAn films decreases with increasing thickness of deposited PAn films. It is established that the optical energies of the band gap of PAn films of different thickness, estimated by the results of optical absorption measurements using Tauc methods and absorption spectrum fitting, are practically commensurate and are in the range of 3.13–2.36 eV for film thicknesses equal to 18.7–137.4 nm, respectively. Based on the correlations between the optical energy of the band gap and the refractive index of semiconductors using Moss, Ravindra, Ravindra-Gupta, Reddy-Ahammed, Gerve-Vandamme, Kumar-Singh, Annani and Duffy-Reddy ratios, the value of the refractive index of PAn films was calculated and these results were compared with the values obtained from the experimental results. From the obtained results it is seen that the refractive index of PAn films increases with increasing polyaniline film thickness on a polyethylene substrate. The values obtained from the Ravindra and Ravindra-Gupta relations are the closest to the experimental ones. Therefore, the synthesized PE/PAn films can be an available material for the production of optoelectronic devices, for example, for organic field transistors and LEDs.

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Semiconducting elastomers based on polyaniline/clay nanocomposites and SEBS obtained by an alternative processing technique

Cited by 8 publications

References 42 publications

A flexible dual-mode pressure sensor with ultra-high sensitivity based on BTO@MWCNTs core-shell nanofibers

A flexible dual-mode pressure sensor with ultra-high sensitivity based on BTO@MWCNTs core-shell nanofibers

Ultra-stretchable and superhydrophobic textile-based bioelectrodes for robust self-cleaning and personal health monitoring

Energy Band Gap and the Refractive Index for Polyaniline Thin Films of Polyaniline in Thin Films on Polyethylene Surface

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