液晶与显示2017，Vol.32Issue(6)：461-466,6.DOI:10.3788/YJYXS20173206.0461
共轭分子自身结构转变对结晶形貌及电学性能的影响
Effects of molecular topological transformation on crystallization and electric properties
摘要
Abstract
Organic semiconductors have received much attention from both industry and academia, due to their potential opto-electronic applications.Solution-process ability is one of their most attractive features.The other component of an organic semiconductor material's molecular structure is its π-conjugated backbone, which plays an important role in determining the extent of π-π stacking and charge mobility.In our work, two conjugated molecules were selected to understand how molecular shape impacts the crystallization tendencies of molecular semiconductors.One (DT) is a highly torsional molecule, and the other molecule (CDT) uses a carbon "bridge" to lock the conjugated backbone into a planar conformation.The twisted molecule (DT) is more soluble in the solution.Interestingly, the twisted molecule (DT) exhibits a greater degree of crystallization and higher charge mobility properties in the solid state than the planar CDT molecule.The mobility of DT film is up to 6.73x10-3 cm2/V·s, which is over one order of magnitude.These findings are relevant within the context of selecting and designing semiconductors that exhibit high solubility and a tendency to provide stable organized structures with desirable electronic properties.关键词
共轭分子/分子自组装/迁移率/场效应晶体管Key words
conjugated molecules/self-assambly/mobility/field effect transistor分类
信息技术与安全科学引用本文复制引用
崔秋红,侯延冰..共轭分子自身结构转变对结晶形貌及电学性能的影响[J].液晶与显示,2017,32(6):461-466,6.基金项目
博士后面上基金 (No.2015M570923) （No.2015M570923）
博士后特别资助(No.2016T90030) （No.2016T90030）
Supported by China Postdoctoral Science Foundation(No.2015M570923 （）
No.2016T90030) （）
