Structural analysis of benzothienobenzothiophene-based soluble organic semiconducting crystals grown by liquid crystal solvent

被引：5

作者：

Shibata, Yosei ^{[1
]}

Matsuzaki, Tomoya ^{[1
]}

Ishinabe, Takahiro ^{[1
]}

Fujikake, Hideo ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Elect Engn, Sendai, Miyagi 9808579, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2018年 / 492卷

关键词：

Solvent; X-ray diffraction; Single crystal growth; Organic compounds; Semiconducting materials; HIGH-PERFORMANCE;

D O I：

10.1016/j.jcrysgro.2018.04.020

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this study, we analyzed organic semiconducting single crystals composed of benzothienobenzothiophene derivatives (2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene, C-8-BTBT) grown by nematicphase liquid crystal (LC) solvent. As a result, we clarified that the crystal b-axis direction of the C-8-BTBT single crystals was consistent with the LC alignment direction. By optical evaluation and simulation based on density functional theory, we found that the C-8-BTBT single crystals in LC solvent exhibited a novel molecular conformation having alkyl chains oriented toward the fa-axis. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：98 / 104

页数：7

共 38 条

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