在超薄弹性基板上的有机薄膜晶体管用于可调整,可伸缩和可透气的电子产品
Chika Okuda1, Haoyang Wang1, Wenqing Wang1,2,3
1Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
ACS nano
|January 30, 2026
概括
研究人员在柔性,透气的弹性体基板上开发了超薄的有机薄膜晶体管 (OTFT). 这些设备在极端拉伸和曲的情况下保持稳定的性能,为先进的皮肤电子设备铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 电子工程 电子工程
- 生物医学工程 生物医学工程
背景情况:
- 灵活的电子产品需要具有生物应用的符合性,伸展性和透气性的基板.
- 超薄弹性体基板提供这些特性,但对活性成分构成制造挑战.
研究的目的:
- 在超薄,纳米纤维增强弹性体基板上开发和演示有机薄膜晶体管 (OTFT).
- 为了克服与处理脆弱,灵活材料上的活性成分相关的制造挑战.
主要方法:
- 在0.3μm塑料岛上OTFT的制造,在2.0μm弹性质基板上使用受控粘附.
- 在100%拉伸下测试电性能,在50%应变下进行1万个周期,以及各种纹条件下测试电性能.
- 构建一个伪互补金属氧化物半导体 (伪CMOS) 逆变器电路.
主要成果:
- 在100%的拉伸,广泛的循环和显著的纹下,实现了OTFT稳定的电性能.
- 保持基板的气体透性和超级符合性.
- 展示了一个伪CMOS逆变器,在10V时增益为37,证实了电路层面的可行性.
结论:
- 开发的方法使得在超薄,灵活的弹性弹性体基板上制造出强大的OTFT.
- 这种方法促进了用于皮肤应用的多功能,透气和符合电子产品的创建.
- 这项技术对先进的可穿戴和可植入电子设备具有前景.
相关概念视频
Conformity
48.2K
Conformity is the change in a person’s behavior to go along with the group, even if that person does not agree with the group.
48.2K
Field Effect Transistor
1.2K
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...
1.2K
Bipolar Junction Transistor
1.5K
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...
1.5K
Conformations of Butane
18.0K
Unlike ethane and propane that have only two major conformations, butane has more than two conformers. The staggered form of butane in which the bulky methyl groups on the two carbons are placed on opposite sides, that is, at a dihedral angle of 180°, is the lowest energy, most stable form — called the anti conformer. This conformation is stabilized due to the absence of steric repulsion between the largely spaced out methyl groups. The other two staggered conformations are...
18.0K
Electron Paramagnetic Resonance (EPR) Spectroscopy: Organic Radicals
3.4K
Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...
3.4K
Conformations of Cycloalkanes
14.4K
Adolf von Baeyer attempted to explain the instabilities of small and large cycloalkane rings using the concept of angle strain — the strain caused by the deviation of bond angles from the ideal 109.5° tetrahedral value for sp3 hybridized carbons. However, while cyclopropane and cyclobutane are strained, as expected from their highly compressed bond angles, cyclopentane is more strained than predicted, and cyclohexane is virtually strain-free. Hence, Baeyer’s theory that...
14.4K


