Synthesis of star-shaped molecules with pyrene-containing π-conjugated units linked by an organosilicon core

被引：5

作者：

Ohshita, Joji ^{[1
]}

Hatanaka, Yosuke ^{[1
]}

Matsui, Shigenori ^{[1
]}

Ooyama, Yousuke ^{[1
]}

Harima, Yutaka ^{[1
]}

Kunugi, Yoshihito ^{[2
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, Dept Appl Chem, Higashihiroshima 7398527, Japan

[2] Tokai Univ, Dept Appl Chem, Fac Engn, Hiratsuka, Kanagawa 2591292, Japan

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2010年 / 24卷 / 08期

关键词：

pi-conjugated compound; organosilicon compound; star-shaped molecule; organic transistor; photovoltaic cell; SILICON-BRIDGED OLIGOTHIOPHENES; POLYMERS; DERIVATIVES; COPOLYMERS; EL;

D O I：

10.1002/aoc.1551

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Star-shaped molecules with pyrene-containing pi-conjugated units linked by an organosilicon core (Py3Si and Py3C) were prepared and their applications to thin-film transistors (TFTs) and photovoltaic cells were studied. Bottom-contact type TFTs with spin-coated films of the star-shaped compounds as the active layers were prepared and the field-effect mobility (mu(FET)) and I-on/I-off ratios were determined to be approximately 10(-5) cm(2) V-1 s(-1) and 10(4), respectively. Photovoltaic properties of Py3Si and Py3C were studied in the cells, ITO-PEDOT-PSS-Py3Si or Py3C-PCBM-LiF-Al. Although the power conversion efficiency (PCE) of the cells was only about 0.04%, they showed high open circuit voltages (V-oc) of 0.8-0.9 V. indicating the high potential of this type of compound as a host material. Copyright (C) 2009 John Wiley & Sons, Ltd.

引用

页码：540 / 544

页数：5

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