Growth of thin rubrene single crystals from 1-propanol solvent

被引：51

作者：

Matsukawa, Takeshi ^{[1
]}

Yoshimura, Masashi ^{[1
]}

Sasai, Kenichi ^{[1
]}

Uchiyama, Masahito ^{[1
]}

Yamagishi, Masakazu ^{[2
]}

Tominari, Yukihiro ^{[2
]}

Takahashi, Yoshinori ^{[1
]}

Takeya, Junichi ^{[2
]}

Kitaoka, Yasuo ^{[1
]}

Mori, Yusuke ^{[1
]}

Sasaki, Takatomo ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan

[2] Osaka Univ, Grad Sch Sci, Osaka 5600043, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2010年 / 312卷 / 02期

关键词：

Crystal morphology; Solvents; Growth from solutions; Single crystal growth; Organic compounds; Field-effect transistors; MORPHOLOGY; MOBILITY;

D O I：

10.1016/j.jcrysgro.2009.10.048

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Rubrene (5,6,11,12-tetraphenyltetracene) single crystals were grown by using the solution-slow-cooling technique with 1-propanol (PrOH) solvent. Thin hexagonal crystals with an orthorhombic system, typically 300 x 200 x 50 mu m(3) in size, were obtained. The crystals had flat terraces (similar to 7 mu m) separated by monomolecular steps. Organic field-effect transistors (OFETs) with the single crystals showed carrier mobilities as high as similar to 1.6 cm(2) V-1 s(-1). We also obtained thin parallelogram-shaped crystals, typically 300 x 200 x 20 mu m(3) in size. X-ray diffraction analysis solved that the crystals belong to triclinic system. The crystals showed lower carrier mobilities of similar to 0.1 cm(2) V-1 s(-1). This is the first report on the growth and characterization of two polymorphs of rubrene crystal. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：310 / 313

页数：4

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