Low optical turn-on voltage in solution processed hybrid light emitting transistor

Ablat, Abduleziz; Kyndiah, Adrica; Bachelet, Alexandre; Takimiya, Kazuo; Hirsch, Lionel; Fasquel, Sophie; Abbas, Mamatimin

doi:10.1063/1.5090220

Cited by 11 publications

(10 citation statements)

References 23 publications

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“…The C8‐BTBT as the hole transport molecular facilitated the efficiency of charge separation, holes transport, and opposite charges recombination. [ 264 ]…”

Section: Btbt Derivatives‐based Devicesmentioning

confidence: 99%

Section: Btbt Derivatives‐based Devicesmentioning

confidence: 99%

“…The C8-BTBT as the hole transport molecular facilitated the efficiency of charge separation, holes transport, and opposite charges recombination. [264] In order to further decrease the driving voltage and enhance the mobility of OLET, high-k gate dielectric was applied in high-performance devices. Soldano et al used high-k polymer material P(VDF-TrFE-CFE) to fabricate dielectric layer.…”

Section: Organic Light-emitting Transistorsmentioning

confidence: 99%

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Structures, Properties, and Device Applications for [1]Benzothieno[3,2‐b]Benzothiophene Derivatives

Xie

Liu

Sun

et al. 2022

Adv Funct Materials

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1]benzothieno[3,2-b]benzothiophene (BTBT), with two benzene rings as the outermost rings, is referred to as diacene-fused ladder-type π-conjugated thienothiophenes. During the last three decades, derivatives based on BTBT core have been extensively studied due to their tremendous application prospects in organic field-effect transistors (OFETs) and organic optoelectronic devices. In order to further advance the development of organic electronics, new materials are constantly being synthesized and new methods are constantly evolving. This review mainly focuses on the crystal and electronic structures of BTBT derivatives, the soluble and thermal properties, the fabrication methods, as well as the strategies for performance improvement and optoelectronic applications including OFETs, photodetectors, synaptic devices, and organic light-emitting transistors. As one of the most promising organic materials, the insight into BTBT-based molecules will accelerate their potential application and provide important reference value for the development toward commercialized and industrialized organic semiconducting products.

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“…The C8‐BTBT as the hole transport molecular facilitated the efficiency of charge separation, holes transport, and opposite charges recombination. [ 264 ]…”

Section: Btbt Derivatives‐based Devicesmentioning

confidence: 99%

Section: Btbt Derivatives‐based Devicesmentioning

confidence: 99%

Section: Organic Light-emitting Transistorsmentioning

confidence: 99%

See 1 more Smart Citation

Structures, Properties, and Device Applications for [1]Benzothieno[3,2‐b]Benzothiophene Derivatives

Xie

Liu

Sun

et al. 2022

Adv Funct Materials

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“…However, the electronic transport performance is typically low. Thus, devices based on n‐type metal oxide semiconductor channel layers (hybrid NP‐LETs) and perovskites usually have higher mobility than devices based on organic semiconductor channel layers, but the optoelectronic performance is modest, [ 98,99,101,102 ] which indicates that the performance of those hybrid NP‐LETs have a huge room for improvement by optimizing carrier inject efficiency, carrier balance and/or introducing high‐efficiency light emitters. Regarding V‐LETs, the key advantages are the low operating voltages (typically ≤ 15 V) and uniform surface emission (Table 3).…”

Section: Conclusion and Prospectivementioning

confidence: 99%

Recent Advances in Multi‐Layer Light‐Emitting Heterostructure Transistors

Chen

Huang

Marks

et al. 2021

Small

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Light‐emitting transistors (LETs) have attracted tremendous academic and industrial interest due to their dual functions of electrical switching and light emission in a single device, which can considerably reduce system complexity and manufacturing costs, especially in the area of flat panel and flexible displays as well as lighting and lasers. In recent years, enhanced LET performance has been achieved by introducing multiple‐layer heterostructures in the charge‐carrying/light‐emitting LET channel versus the best‐reported performance in single active layer LETs, rendering multi‐layer LETs promising candidates for next‐generation display technologies. In this review, the fundamental structures and working principles of multi‐layer heterostructure LETs are introduced. Next, developments in multi‐layer LETs are discussed based on co‐planar LETs, non‐planar LETs, and vertical LETs including organic, quantum dot, and perovskite light emitters. Finally, this review concludes with a summary and a perspective on the future of this research field.

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“…Remarkably, Von(I) and light turn on voltage (Von(L)) almost overlap for all the devices, which is a strong contrast to the solution processed hybrid LETs. 34,35 The hole transport layer (C10-DNTT) is the same for all the control, TPBi and BCP devices. In principle they should have similar hole mobilities.…”

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confidence: 99%

Low voltage operating organic light emitting transistors with efficient charge blocking layer

Bachelet

Chabot

Ablat

et al. 2021

Organic Electronics

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Charge injection/blocking layers play important roles in the performances of organic electronic devices.Their incorporation into organic light emitting transistors has been limitted, due to generally high operating voltages (above 60 V) of these devices. In this work, two hole blocking molecules are integrated into tris-(8hydroxyquinoline) aluminum (Alq3) based light emitting transistors under operating voltage as low as 5 V. The effects of hole blocking and electron injection are decoupled through the differences in the energy levels.Significantly improved optical performance is achieved with the molecule of suitable energy level for electron injection. Surprisingly, a decreased performance is observed in the case of another hole blocking molecule evidencing that charge injection overweighs charge blocking in this device architecture.

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Low optical turn-on voltage in solution processed hybrid light emitting transistor

Cited by 11 publications

References 23 publications

Structures, Properties, and Device Applications for [1]Benzothieno[3,2‐b]Benzothiophene Derivatives

Structures, Properties, and Device Applications for [1]Benzothieno[3,2‐b]Benzothiophene Derivatives

Recent Advances in Multi‐Layer Light‐Emitting Heterostructure Transistors

Low voltage operating organic light emitting transistors with efficient charge blocking layer

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