Enhancement of conductivity in poly (3-hexylthiophene) films prepared by spin-coating from blended solutions with small molecules

被引:12
作者
Kambayashi, Takuya
Wada, Hiroshi
Goto, Masanao
Mori, Takehiko
Park, Byoungchoo
Takezoe, Hideo
Ishikawa, Ken
机构
[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
[2] Kwangwoon Univ, Dept Electrophys, Seoul 139701, South Korea
关键词
organic semiconductor; wet process; crystal growth; conductivity;
D O I
10.1016/j.orgel.2006.07.012
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Conductivity of poly (3-hexylthiophene) (P3HT) films was enhanced by blending P3HT with organic semiconducting molecule dibenzotetrathiafulvalene (DBTTF). Films were fabricated by conventional spin-coating from blended solutions of P3HT and DBTTF. Enhancement of the conductivity was achieved in the films containing 30-80% of DBTTF. In these films, large DBTTF crystalline domains of dendrite shapes were observed in atomic force micrographs. Growth mechanisms of dendritic domains are discussed on the basis of viscosity of blended solutions and degree of oversaturation, (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:440 / 444
页数:5
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