标题: 新型共轭高分子之合成及其在有机薄膜电晶体之应用
Synthesis of Novel Conjugated Polymers and Their Application in Organic Thin Film Transistor
作者: 许千树
HSU CHAIN-SHU
国立交通大学应用化学系(所)
关键字: 共轭高分子;咔唑;苯并双噻吩;双并噻吩;有机薄膜电晶体;conjugated polymer;carbazole;benzodithiophene;thienothiophene;OTFT
公开日期: 2014
摘要: 本计画之主要目的系设计及合成數系列5-7 熔合杂环之共轭高分子,并应用于有
机薄膜电晶体。第一年将设计三种以咔唑为核心之5-7 熔合杂环单体;第二年将设计
并合成三种以苯并双噻吩与葱为核心之5-7 熔合杂环单体;第三年将设计并合成一种
以双并噻吩为核心之6 熔合杂环单体。这些单体之有机锡衍生物将分别与噻吩、双噻
吩及双并噻吩之溴化物,利用Stille 偶合聚合反应,总共合成出十五种共轭高分子,所
合成之高分子将应用于有机薄膜电晶体之制备上。
所制备之 5-7 熔合杂环单体,将利用蒸镀方法制备有机薄膜电晶体,本研究将探
讨热蒸镀速率、基材温度、基材表面处理剂及回火温度对于薄膜特性之关系,所合成
之十五种共轭高分子将以旋转涂布法制备成有机薄膜电晶体,本研究将探讨旋转涂布
速率、回火温度及表面处理剂与薄膜品质及形态学之关系,最后将量测所制备有机薄
膜电晶体之载子迁移率、驱动电压及开关比。
This proposal is aimed to design and synthesize several series of conjugated polymers
based on 5-7 fused heterocyclic rings. The synthesized polymers are used for the
application in organic thin film transistor. In the first year, three kinds of 5-7 fused ring
moieties (i.e. CzDTB, CzDTP and CzDTSi) based on a carbazole unit are synthesized. In
the second year, three kinds of 5-7 fused ring moieties (i.e. BDTDT, aADT and BDTDCPT)
based on benzodithiophene and anthracene unit are synthesized. In the third year, a
hexacyclic fused ring moiety (TTDCPT) based on thienothiophene unit is prepared. Their
organo-tin derivatives of the synthesized 5-7 fused ring moieties are polymerized with
dibromo-derivatives of thiophene, bithiophene and thienothiophene through Stille coupling
to yield 15 kinds of conjugated polymers.
We fabricate the OTFT devices based on the 5-7 fused ring monomers by a thermal
evaporation method. Films deposited on octadecyltrichlorosilane (OTS) – treated SiO2
substrates under properly adjusted substrate temperature, thermal evaporation rate, and
annealing temperature, achieve a good film quality. The synthesized polymers are used to
fabricate OTFT devices through a spin coating process. The film quality and morphology
are controlled by spin coating rate, thermal annealing temperature and surface modification
agents. The OTFT characteristics including mobility, turn-on voltage and Ion / Ioff ration are
evaluated.
官方说明文件#: NSC101-2221-E009-026-MY3
URI: http://hdl.handle.net/11536/102429
https://www.grb.gov.tw/search/planDetail?id=8107314&docId=428780
显示于类别:Research Plans