Effect of space charge limited current on performance of organic field-effect transistors

Trukhanov, V.A.; Bruevich, Vladimir V.; Paraschuk, Dmitry Yu.

doi:10.1016/j.synthmet.2018.11.002

Cited by 5 publications

(3 citation statements)

References 50 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The high charge-carrier mobility and thermal stability of the crystalline phases, pronounced luminescence, and good shelf-life stability suggest that emissive BTBT-type molecules are a promising avenue for 2D organic optoelectronics. enable easier charge injection in the staggered device geometry, [4] which is the most suitable for production technologies. However, luminescent properties of 2D organic semiconductor single crystals have not been reported and a combination of high charge-carrier mobility and bright luminescence in an organic 2D material is still a challenge.…”

Section: Emissive High-mobility 2d Organic Semiconductor Based On a [...mentioning

confidence: 99%

“…[ 3 ] Specifically, the charge‐carrier mobility values reported for organic field‐effect transistors (OFETs) based on 2D single crystals are as high as for those based on the best 3D single crystals. Moreover, 2D crystals enable easier charge injection in the staggered device geometry, [ 4 ] which is the most suitable for production technologies. However, luminescent properties of 2D organic semiconductor single crystals have not been reported and a combination of high charge‐carrier mobility and bright luminescence in an organic 2D material is still a challenge.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Luminescent High‐Mobility 2D Organic Semiconductor Single Crystals

Fedorenko

Kuevda

Trukhanov

et al. 2022

Adv Elect Materials

Self Cite

View full text Add to dashboard Cite

Abstract2D organic semiconductor single crystals comprising one or a few molecular layers of macroscopic lateral sizes are ideal materials for ultrathin, flexible, and transparent field‐effect devices—a platform for transistors and sensors. In recent years, these 2D materials have demonstrated high performance not inferior to their 3D counterparts. However, light emissive properties of 2D organic semiconductor single crystals have not yet been reported, and a combination of high charge‐carrier mobility and bright luminescence in one material is still a challenge for 2D organic optoelectronics. Emissive high‐mobility 2D organic semiconductor based on a [1]benzothieno[3,2‐b]benzothiophene (BTBT)‐derivative, 2,7‐bis(4‐decylphenyl)[1]benzothieno[3,2‐b][1]benzothiophene (DPBTBT), is presented here. DPBTBT molecules self‐organize in large‐area ultrathin single‐crystalline films consisting of one or a few molecular layers. These 2D single crystals perfectly suit as an active layer of organic field‐effect transistors in full accordance with Shockley's model and uniquely combine the high charge‐carrier mobility reaching 7.5 cm2 V–1 s–1 with prominent light emissive properties, which allow a demonstration of the first 2D organic light‐emitting transistor. The high charge‐carrier mobility and thermal stability of the crystalline phases, pronounced luminescence, and good shelf‐life stability suggest that emissive BTBT‐type molecules are a promising avenue for 2D organic optoelectronics.

show abstract

Section: Emissive High-mobility 2d Organic Semiconductor Based On a [...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Luminescent High‐Mobility 2D Organic Semiconductor Single Crystals

Fedorenko

Kuevda

Trukhanov

et al. 2022

Adv Elect Materials

Self Cite

View full text Add to dashboard Cite

show abstract

“…3,4 Moreover, the use of 2D materials makes it possible to improve charge injection into the OFET channel in the staggered geometry. 5,6 However, the combination of bright luminescence and efficient charge transport in 2D organic semiconductors is still a challenge. Such 2D materials can strongly improve the light-outcoupling efficiency in organic light-emitting transistors (OLETs) because light waveguiding strongly affecting the light emission in 3D devices [7][8][9] is principally excluded in 2D materials.…”

Section: Introductionmentioning

confidence: 99%

Luminescent 2D single crystals of thiophene–phenylene co-oligomers for field-effect devices

Fedorenko

Kuevda

Trukhanov

et al. 2022

Mater. Chem. Front.

View full text Add to dashboard Cite

show abstract

Stabilizing Schottky junction in conjugated polymer diodes enables long-term reliable radio-frequency energy harvesting on plastic

Lee,

Kang,

Jung

et al. 2024

npj Flex Electron

View full text Add to dashboard Cite

Due to their inherent flexibility, solution-processable conjugated polymers are increasingly being considered for the cost-effective production of thin-film semiconductor devices used in Internet of Everything (IoE) applications. With considerable improvements in charge carrier mobilities, the final challenge impeding the commercialization of conjugated polymers may be improving their environmental and electrical stabilities. Recent studies have improved the stability of computing devices (i.e., transistors) by eliminating interface traps and water molecules within conjugated polymers. However, the stability issue of Schottky diodes, which play a crucial role in configuring thin-film IoE devices used in wireless communication and energy harvesting, has been largely overlooked. This study reveals that aluminum, which is commonly used as a cathode metal in polymer Schottky diodes, creates a nonstoichiometric effect when deposited on conjugated polymers, thereby leading to the formation of charge traps over time, which reduces the rectification ratio of the Schottky diodes and induces a significant bias stress effect during operation. To address this issue, we introduce a zinc-oxide sacrificial interlayer between the conjugated polymer and cathode. This interlayer effectively eliminates the penetrated Al metal or ionized Al-induced nonstoichiometric effect without reducing the charge injection efficiency, achieving exceptional environmental and operational stability. The printed polymer Schottky diodes demonstrate consistent rectifying operation at 13.56 MHz for several months with negligible changes in electrical characteristics.

show abstract

Effect of space charge limited current on performance of organic field-effect transistors

Cited by 5 publications

References 50 publications

Luminescent High‐Mobility 2D Organic Semiconductor Single Crystals

Luminescent High‐Mobility 2D Organic Semiconductor Single Crystals

Luminescent 2D single crystals of thiophene–phenylene co-oligomers for field-effect devices

Stabilizing Schottky junction in conjugated polymer diodes enables long-term reliable radio-frequency energy harvesting on plastic

Contact Info

Product

Resources

About