灵活的n通道有机晶体管具有低接触电阻
Sabrina Steffens1, Tobias Wollandt1, Karla Cordero-Solano1
1Max Planck Institute for Solid State Research, Heisenbergstraße 1, Stuttgart 70569, Germany.
ACS applied materials & interfaces
|December 22, 2025
概括
研究人员使用新型半导体开发了n通道有机薄膜晶体管 (TFT). 与4--甲基硫) - 醇的功能化接触在和柔性基板上实现了创纪录的低接触电阻,显示出出色的曲稳定性.
科学领域:
- 有机电子学有机电子学
- 材料科学是一种材料科学.
- 半导体物理 半导体物理
背景情况:
- 有机半导体的进步对于开发灵活和低成本的电子设备至关重要.
- 改进n通道有机薄膜晶体管 (TFT) 中的电荷注入和传输仍然是一个关键的挑战.
- 接触电阻显著影响有机TFT的性能.
研究的目的:
- 使用三个有希望的小分子有机半导体制造和描述n通道有机TFT.
- 调查接触功能化对设备性能的影响,特别是接触电阻.
- 为了评估设备在刚性和柔性聚合物基板上的性能.
主要方法:
- 使用TAPP-Br4,ActivInk N1100和PhC2-BQQDI制造反转分层和反转共平面的n通道TFT.
- 源泉和排水接触的功能与四种不同类型的硫醇接触,包括4--甲基硫) -硫醇 (MeSTP).
- 在环境条件下,在和柔性基板上的TFT电气特性.
主要成果:
- 基于PhC2-BQQDI的TFT与MeSTP功能化的接触器表现出最好的性能.
- 创纪录的低接触电阻达到130 Ω 厘米 () 和210 Ω 厘米 (柔性基板).
- 在柔性基板上的TFT显示出出色的曲稳定性和在环境空气中的性能.
结论:
- 使用MeSTP的接触功能化有效地减少了n通道有机TFT中的接触电阻,这是由于其低有效的工作功能.
- 开发的有机TFT显示了高性能,灵活的电子应用的潜力.
- 在环境空气中达到较低的接触电阻是朝着实用的有机电子技术迈出的重要一步.
相关概念视频
Field Effect Transistor
1.1K
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
1.1K
MOSFET: Enhancement Mode
742
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
742
MOSFET
1.1K
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
In an n-MOSFET, the structure includes n-type source and drain...
1.1K
Characteristics of MOSFET
872
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
872
Biasing of FET
648
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
648
Bipolar Junction Transistor
1.4K
Bipolar Junction Transistors (BJTs) are essential elements in electronic circuits, playing a crucial role in the functionality of amplifiers, memories, and microprocessors. These transistors can be designed as NPN or PNP based on their doping patterns. They consist of three layers: the emitter, base, and collector. The configuration of these layers and their respective doping levels—with N-type or P-type impurities—define the transistor's type and its operational...
1.4K


