On-Top π-Stacking of Quasiplanar Molecules in Hole-Transporting Materials: Inducing Anisotropic Carrier Mobility in Amorphous Films

被引：90

作者：

Wakamiya, Atsushi ^{[1
]}

Nishimura, Hidetaka ^{[1
]}

Fukushima, Tatsuya ^{[1
]}

Suzuki, Furitsu ^{[1
]}

Saeki, Akinori ^{[2
]}

Seki, Shu ^{[2
]}

Osaka, Itaru ^{[3
]}

Sasamori, Takahiro ^{[1
]}

Murata, Michihisa ^{[1
]}

Murata, Yasujiro ^{[1
]}

Kaji, Hironori ^{[1
]}

机构：

[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

[2] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan

[3] RIKEN CEMS, Emergent Mol Funct Res Grp, Wako, Saitama 3510198, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 23期

关键词：

amorphous materials; heterocycles; semiconductors; structure-function relationships; structure elucidation; ORGANOMETAL HALIDE PEROVSKITES; SOLAR-CELLS; ORGANIC SEMICONDUCTORS; CRYSTALS; ACENES;

D O I：

10.1002/anie.201400068

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dimers of partially oxygen-bridged triarylamines were designed and synthesized as hole-transporting materials. X-ray structural analyses revealed that these compounds form on-top pi-stacking aggregates in the crystalline state. TRMC measurements showed that high levels of anisotropic charge transport were induced in the direction of the pi-stacking. Surprisingly, even in vacuum-deposited amorphous films, these compounds retained some of the face-on pi-stacking, thus facilitating an out-of-plane carrier mobility.

引用

页码：5800 / 5804

页数：5

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