Electrospun Poly(3‐hexylthiophene) Nanofibers with Highly Extended and Oriented Chains Through Secondary Electric Field for High‐Performance Field‐Effect Transistors

Chen, Jung‐Yao; Wu, Hung‐Chin; Chiu, Yu‐Cheng; Lin, Chih-Jung; Tung, Shih‐Huang; Chen, Wen‐Chang

doi:10.1002/aelm.201400028

Cited by 34 publications

(47 citation statements)

References 44 publications

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“…Organic electronic devices have been regarded as powerful candidates for the applications of soft electronics due to their advantages of decent flexibility, facile solution processability, and easy on‐grid integration with respect to the inorganic counterparts . Among the plethora of applications of organic semiconductors, memory is of particular interest since it is the essential building block of computation technology nowadays for big database storage device.…”

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confidence: 99%

Nonvolatile Perovskite‐Based Photomemory with a Multilevel Memory Behavior

et al. 2017

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Solution-processable organic-inorganic hybrid perovskite materials with a wealth of exotic semiconducting properties have appeared as the promising front-runners for next-generation electronic devices. Further, regarding its well photoresponsibility, various perovskite-based photosensing devices are prosperously developed in recent years. However, most exploited devices to date only transiently transduce the optical signals into electrical circuits while under illumination, which necessitates using additional converters to further store the output signals for recording the occurrence of light stimulation. Herein, a nonvolatile perovskite-based floating-gate photomemory with a multilevel memory behavior is demonstrated, for which a floating gate comprising a polymer matrix impregnated with perovskite nanoparticles is employed. Owing to the well photoresponsibility introduced by the embedded nanoparticles, the device is enabled to access multiple wavelength response and the functionalities of recording power/time-dependent illumination under no vertical electrical field. Intriguingly, a nonvolatility of photorecording exceeding three months with a high On/Off current ratio over 10 can be achieved.

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confidence: 99%

Nonvolatile Perovskite‐Based Photomemory with a Multilevel Memory Behavior

et al. 2017

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“…Electrospinning process: A coaxial electrospinning technique was used to produce core-shell electrospun fibers, similar to that reported in the literature [15,16,17,18,19,20]. Figure 1 shows a schematic illustration of our experimental setup.…”

Section: Methodsmentioning

confidence: 99%

Solvent Effects on Morphology and Electrical Properties of Poly(3-hexylthiophene) Electrospun Nanofibers

Chen

Hsu

et al. 2019

Polymers

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Herein, poly(3-hexylthiophene-2,5-diyl) (P3HT) nanofiber-based organic field-effect transistors were successfully prepared by coaxial electrospinning technique with P3HT as the core polymer and poly(methyl methacrylate) (PMMA) as the shell polymer, followed by extraction of PMMA. Three different solvents for the core polymer, including chloroform, chlorobenzene and 1,2,4-trichlorobenzene, were employed to manipulate the morphologies and electrical properties of P3HT electrospun nanofibers. Through the analyses from dynamic light scattering of P3HT solutions, polarized photoluminescence and X-ray diffraction pattern of P3HT electrospun nanofibers, it is revealed that the P3HT electrospun nanofiber prepared from the chloroform system displays a low crystallinity but highly oriented crystalline grains due to the dominant population of isolated-chain species in solution that greatly facilitates P3HT chain stretching during electrospinning. The resulting high charge-carrier mobility of 3.57 × 10−1 cm2·V−1·s−1 and decent mechanical deformation up to a strain of 80% make the P3HT electrospun nanofiber a promising means for fabricating stretchable optoelectronic devices.

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“…In this system, the enveloping of the core fluid by the sheath fluid takes place within the sheath nozzle itself. Other modifications to coaxial electrospinning, include using a triaxial nozzle for three-fluid spinning − (Figure C) and adding a second electric field to extend the polymer chains along the fiber’s axis (Figure D).…”

Section: Introductionmentioning

confidence: 99%

Beyond the Single-Nozzle: Coaxial Electrospinning Enables Innovative Nanofiber Chemistries, Geometries, and Applications

Rathore

Schiffman

2020

ACS Appl. Mater. Interfaces

130

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With an ever increasing scientific, technological, and industrial interest in high surface area, porous nanofiber mats, electrospinning has emerged as a popular method to produce fibrous assemblies for use across biomedical, energy, and environmental applications. However, not all precursor solutions nor complex geometries can be easily fabricated using the traditional single-nozzle apparatus. Therefore, coaxial electrospinning, a modified version of electrospinning that features a concentrically aligned dual nozzle, has been developed. This review will first describe the mechanism of electrospinning two precursor solutions simultaneously and the operational parameters that need to be optimized to fabricate continuous fibers. Modifications that can be made to the coaxial electrospinning process, which enable the fabrication of uniform fibers with improved properties, as well as the fabrication of fibers that are hollow, functionalized, and from “nonspinnable precursors” will be discussed as a means of promoting the advantages of using a coaxial setup. Examples of how coaxially electrospun nanofibers are employed in diverse applications will be provided throughout this review. We conclude with a timely discussion about the current limitations and challenges of coaxial electrospinning.

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Electrospun Poly(3‐hexylthiophene) Nanofibers with Highly Extended and Oriented Chains Through Secondary Electric Field for High‐Performance Field‐Effect Transistors

Cited by 34 publications

References 44 publications

Nonvolatile Perovskite‐Based Photomemory with a Multilevel Memory Behavior

Nonvolatile Perovskite‐Based Photomemory with a Multilevel Memory Behavior

Solvent Effects on Morphology and Electrical Properties of Poly(3-hexylthiophene) Electrospun Nanofibers

Beyond the Single-Nozzle: Coaxial Electrospinning Enables Innovative Nanofiber Chemistries, Geometries, and Applications

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