Enhanced reproducibility of inkjet printed organic thin film transistors based on solution processable polymer-small molecule blends

Madec, Marie-Beatrice; Smith, Patrick J.; Malandraki, Andromachi; Wang, Nan; Korvink, Jan G.; Yeates, Stephen G.

doi:10.1039/c0jm01614d

Cited by 76 publications

(76 citation statements)

References 29 publications

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“…Thus, a processing additive that enhances coverage of the film is necessary. Common insulator polymers such as PMMA and poly(α-methylstyrene) (PαMS) can be used as processing additives [44][45][46]. When a TIPS-pentacene: PαMS blended solution is cast on a substrate consisting of gate, gate-dielectric, and source/drain electrodes, vertical phase-separation should be controlled adequately to enable lateral charge transport.…”

Section: Processing Additivementioning

confidence: 99%

Organic Semiconductor/Insulator Polymer Blends for High-Performance Organic Transistors

Lee

Park

2014

Polymers

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Abstract:We reviewed recent advances in high-performance organic field-effect transistors (OFETs) based on organic semiconductor/insulator polymer blends. Fundamental aspects of phase separation in binary blends are discussed with special attention to phase-separated microstructures. Strategies for constructing semiconductor, semiconductor/dielectric, or semiconductor/passivation layers in OFETs by blending organic semiconductors with an insulating polymer are discussed. Representative studies that utilized such blended films in the following categories are covered: vertical phase-separation, processing additives, embedded semiconductor nanowires.

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Section: Processing Additivementioning

confidence: 99%

Organic Semiconductor/Insulator Polymer Blends for High-Performance Organic Transistors

Lee

Park

2014

Polymers

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“…In the case of printing using several separate single drops, it is very difficult to avoid overlaps between droplets affecting the uniformity of the printed active layer [670]. Using multiple-drop printing, device mobilities up to 0.24 cm 2 /Vs were estimated in the case of TIPS-PEN [689] and up to 0.11 cm 2 /Vs in devices where TIPS blended with polystyrene were used [688].…”

Section: Inkjet Printingmentioning

confidence: 99%

“…There are two methods of inkjet printing in practice, namely, single-droplet printing and multiple-drop printing [459,688,689]. In single-drop printing, each droplet acts as an individual functional deposit, whereas, in the multiple droplets, a continuous film covering the whole area between the source and the drain electrodes forms the active channel.…”

Section: Inkjet Printingmentioning

confidence: 99%

Organic semiconductors for device applications: current trends and future prospects

Ahmad

2014

Journal of Polymer Engineering

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Abstract:With the rich experience of developing silicon devices over a period of the last six decades, it is easy to assess the suitability of a new material for device applications by examining charge carrier injection, transport, and extraction across a practically realizable architecture; surface passivation; and packaging and reliability issues besides the feasibility of preparing mechanically robust wafer/substrate of single-crystal or polycrystalline/ amorphous thin films. For material preparation, parameters such as purification of constituent materials, crystal growth, and thin-film deposition with minimum defects/ disorders are equally important. Further, it is relevant to know whether conventional semiconductor processes, already known, would be useable directly or would require completely new technologies. Having found a likely candidate after such a screening, it would be necessary to identify a specific area of application against an existing list of materials available with special reference to cost reduction considerations in large-scale production. Various families of organic semiconductors are reviewed here, especially with the objective of using them in niche areas of large-area electronic displays, flexible organic electronics, and organic photovoltaic solar cells. While doing so, it appears feasible to improve mobility and stability by adjusting π-conjugation and modifying the energy bandgap. Higher conductivity nanocomposites, formed by blending with chemically conjugated C-allotropes and metal nanoparticles, open exciting methods of designing flexible contact/interconnects for organic and flexible electronics as can be seen from the discussion included here.

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“…For instance, it is exhibited that the addition of a low-viscosity 6,13-Bis(triisopropylsilylethynyl) (TIPS)-pentacene solution and the high molecular weight polystyrene would be able to enhance the reproducibility and control of the drop formation of inkjet-printed thin-film transistors [84].…”

Section: Viscosity Limitationsmentioning

confidence: 99%

Organic Solar Cell by Inkjet Printing—An Overview

2017

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Abstract:In recent years, organic solar cells became more attractive due to their flexible power devices and the potential for low-cost manufacturing. Inkjet printing is a very potential manufacturing technique of organic solar cells because of its low material usage, flexibility, and large area formation. In this paper, we presented an overall review on the inkjet printing technology as well as advantages of inkjet-printing, comparison of inkjet printing with other printing technologies and its potential for organic solar cells (OSCs). Here we highlighted in more details about the viability of environment-friendly and cost-effective, non-halogenated indium tin oxide (ITO) free large scale roll to roll production of the OSC by inkjet printing technology. The challenges of inkjet printing like the viscosity limitations, nozzle clogging, coffee ring effect, and limitation of printability as well as dot spacing are also discussed. Lastly, some of the improvement strategies for getting the higher efficiency of the OSCs have been suggested.

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Enhanced reproducibility of inkjet printed organic thin film transistors based on solution processable polymer-small molecule blends

Cited by 76 publications

References 29 publications

Organic Semiconductor/Insulator Polymer Blends for High-Performance Organic Transistors

Organic Semiconductor/Insulator Polymer Blends for High-Performance Organic Transistors

Organic semiconductors for device applications: current trends and future prospects

Organic Solar Cell by Inkjet Printing—An Overview

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