Experimental Observation of Ultrahigh Mobility Anisotropy of Organic Semiconductors in the Two-Dimensional Limit

2020 ◽  
Vol 2 (9) ◽  
pp. 2888-2894
Author(s):  
Xin Xu ◽  
Jingsi Qiao ◽  
Beilei Sun ◽  
Li Tao ◽  
Yu Zhao ◽  
...  
Keyword(s):  
Experimental Observation ◽  
Organic Semiconductors ◽  
Two Dimensional

Design and Synthesis of Two-Dimensional Covalent Organic Frameworks with Four-Arm Cores: Prediction of Remarkable Ambipolar Charge-Transport Properties

2019 ◽  
Author(s):  
Simil Thomas ◽  
Hong Li ◽  
Raghunath R. Dasari ◽  
Austin Evans ◽  
William Dichtel ◽  
...  
Keyword(s):  
Charge Transport ◽  
Organic Semiconductors ◽  
Density Functional ◽  
Polymer Networks ◽  
Two Dimensional ◽  
Covalent Organic Frameworks ◽  
X Ray Diffraction ◽  
Zinc Porphyrin ◽  
Design And Synthesis ◽  
Predicted Values

<p>We have considered three two-dimensional (2D) π-conjugated polymer networks (i.e., covalent organic frameworks, COFs) materials based on pyrene, porphyrin, and zinc-porphyrin cores connected <i>via</i> diacetylenic linkers. Their electronic structures, investigated at the density functional theory global-hybrid level, are indicative of valence and conduction bands that have large widths, ranging between 1 and 2 eV. Using a molecular approach to derive the electronic couplings between adjacent core units and the electron-vibration couplings, the three π-conjugated 2D COFs are predicted to have ambipolar charge-transport characteristics with electron and hole mobilities in the range of 65-95 cm<sup>2</sup>V<sup>-1</sup>s<sup>-1</sup>. Such predicted values rank these 2D COFs among the highest-mobility organic semiconductors. In addition, we have synthesized the zinc-porphyrin based 2D COF and carried out structural characterization via powder X-ray diffraction and surface area analysis, which demonstrates the feasability of these electroactive networks.</p>

Scalable printing of two-dimensional single crystals of organic semiconductors towards high-end device applications

2021 ◽  
Author(s):  
Shohei Kumagai ◽  
Tatsuyuki Makita ◽  
Shun Watanabe ◽  
Jun Takeya
Keyword(s):  
Single Crystals ◽  
Organic Semiconductors ◽  
Materials Science ◽  
Printed Electronics ◽  
Human Society ◽  
Two Dimensional ◽  
Organic Thin Film ◽  
Device Applications ◽  
High Carrier Mobility ◽  
High Carrier

Abstract The past several decades have witnessed a vast array of developments in printable organic semiconductors, where successes both in synthetic chemistry and in printing technology constituted a key step forward to realization of printed electronics. In this review, we highlight specifically on materials science, charge transport, and device engineering of —two-dimensional single crystals—. Defect-free organic single-crystalline wafers manufactured via a one-shot printing process allows remarkably reliable implementations of organic thin-film transistors with decently high carrier mobility up to 10 cm2 V-1 s-1, which has revolutionized the current printing electronics to be able to meet looming IoT challenges. This review focuses on the perspective of printing two-dimensional single crystals with reasonable areal coverage, showing their promising applications for practical devices and future human society, particularly based on our recent contributions.

Soft template assisted self-assembly: a general strategy toward two-dimensional molecular crystals for high-performance organic field-effect transistors

2022 ◽  
Author(s):  
Xinzi Tian ◽  
Jiarong Yao ◽  
Siyu Guo ◽  
Zhaofeng Wang ◽  
Yanling Xiao ◽  
...  
Keyword(s):  
Organic Semiconductors ◽  
Self Assembly ◽  
High Performance ◽  
Field Effect Transistors ◽  
Molecular Crystals ◽  
Soft Template ◽  
General Strategy ◽  
Two Dimensional ◽  
Organic Field Effect Transistors ◽  
Intrinsic Properties

Two-dimensional molecular crystals (2DMCs) are highly desirable to probe the intrinsic properties in organic semiconductors and are promising candidates for constructing high-performance optoelectronic devices. Liquids such as water are favorable...

scholarly journals Two-dimensional hole gas in organic semiconductors

2021 ◽  
Author(s):  
Naotaka Kasuya ◽  
Junto Tsurumi ◽  
Toshihiro Okamoto ◽  
Shun Watanabe ◽  
Jun Takeya
Keyword(s):  
Organic Semiconductors ◽  
Two Dimensional

A General Method for Growing Two-Dimensional Crystals of Organic Semiconductors by “Solution Epitaxy”

2016 ◽  
Vol 55 (33) ◽  
pp. 9519-9523 ◽  
Author(s):  
Chunhui Xu ◽  
Ping He ◽  
Jie Liu ◽  
Ajuan Cui ◽  
Huanli Dong ◽  
...  
Keyword(s):  
Organic Semiconductors ◽  
Two Dimensional ◽  
General Method

Experimental Observation of a Structure of Two-Dimensional Plasma Flow Boundary

1988 ◽  
Vol 57 (7) ◽  
pp. 2241-2244 ◽  
Author(s):  
Hideo Kozima ◽  
Kouichi Yamada ◽  
Kenji Nakashima
Keyword(s):  
Experimental Observation ◽  
Plasma Flow ◽  
Two Dimensional ◽  
Flow Boundary
Sign in / Sign up

Export Citation Format

Share Document