实现柔性高性能有机场效应晶体管的分子单层晶体干转移方法

IF 8.7 1区化学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Materials Letters Pub Date : 2024-08-19 DOI:10.1021/acsmaterialslett.4c01227

Xinru Wang, Sicheng Li, Qiuyue Sheng, Zuozhu Liu, Boyu Peng, Hanying Li

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引用次数: 0

摘要

有机半导体晶体的单晶体（SC-OSCs）在有机场效应晶体管（OFETs）中显示出巨大的潜力，因为其长程有序性和无结构缺陷带来了高迁移率。分子单层晶体（MMC）具有固有的柔韧性和最薄的厚度，因此被认为是柔性场效应晶体管活性层的最佳候选材料之一。在这项工作中，我们开发了一种新的干法转移方法，通过在 MMCs 上原位气相沉积对二甲苯薄膜来制造柔性 OFET。转移后的 MMC 保留了原子平整的表面和长程有序性，并与介电层形成了保形和无残留的界面，从而为柔性 OFET 提供了 13.23 cm2 V-1 s-1 的高平均迁移率。因此，所提出的方法为克服柔性 OFET 的高性能和良好机械柔性之间的权衡提供了一个新的机会。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A Dry-Transfer Method for Molecular Monolayer Crystals toward Flexible High-Performance Organic Field-Effect Transistors

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A Dry-Transfer Method for Molecular Monolayer Crystals toward Flexible High-Performance Organic Field-Effect Transistors

The single crystals of organic semiconductor crystals (SC-OSCs) have displayed great potential in organic field-effect transistors (OFETs), given the high mobility brought by the long-range ordering and the absence of structural defects in SC-OSCs. Benefiting from their intrinsic flexibility and thinnest possible thickness, molecular monolayer crystals (MMCs) are considered to be one of the optimum candidates as the active layer in flexible OFETs. In this work, a new dry-transfer method via an in situ vapor-deposited parylene film on MMCs was developed for fabricating flexible OFETs. The transferred MMCs retained an atomically flat surface and long-range ordering and exhibited a conformal and residue-free interface with the dielectric layer, thereby giving a high average mobility of 13.23 cm² V^–1 s^–1 to the flexible OFETs. Therefore, the presented method offers a new opportunity to overcome the trade-off between high performance and good mechanical flexibility in flexible OFETs.

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来源期刊

ACS Materials Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

14.60

自引率

3.50%

发文量

261

期刊介绍： ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.