基于二苯并吩嗪衍生物受体的D-A型聚合物的制备与应用研究  

Preparation and application studies of D-A typepolymers based on the acceptor of dibenzophenazine derivatives

作　　者：段美琳 闫雨琪 白兰 武超[2] 曹宇[2,3,4] 李敏[5] 李洁[1] 王华 赵建文[5] 梁学磊[2,3,4] DUAN Meilin;YAN Yuqi;BAI Lan;WU Chao;CAO Yu;LI Min;LI Jie;WANG Hua;ZHAO Jianwen;LIANG Xuelei(Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology,Taiyuan 030024,China;Institute for Carbon-based Thin Film Electronics,Peking University,Taiyuan 030012,China;Institute of Advanced Functional Materials and Devices,Shanxi University,Taiyuan 030006,China;Key Laboratory for the Physics and Chemistry of Nanodevices and Center for Carbon-based Electronics,School of Electronics,Peking University,Beijing 100871,China;Printable Electronics Research Centre,Suzhou Institute of Nano-tech and Nano-bionics,Chinese Academy of Sciences,Suzhou 215123,China;College of Textile Engineering,Taiyuan University of Technology,Jinzhong 030600,China)

机构地区：[1]太原理工大学新材料界面科学与工程教育部重点实验室,山西太原030024 [2]北京大学山西羰基薄膜电子研究所,山西太原030012 [3]山西大学先进功能材料与器件研究所,山西太原030006 [4]北京大学纳米器件物理与化学教育部重点实验室,北京100871 [5]中国科学院苏州纳米技术与纳米仿生研究所可印刷电子研究中心,江苏苏州215123 [6]太原理工大学纺织工程学院,山西晋中030600

出　　处：《功能材料》2024年第12期12007-12015,共9页Journal of Functional Materials

基　　金：国家自然科学基金(62074109,51991341);国家自然科学基金联合基金(U21A20492,U21A6004);山西省自然科学基金(20210302123144,20210302123113);中国山西省留学基金委员会(2021-057);中国博士后科学基金第74批面上资助(2023M742559)。

摘　　要：共轭聚合物(CPs)包裹的半导体单壁碳纳米管(s-SWCNT)可作为薄膜晶体管(TFT)中的沟道材料,并且具有高电荷迁移率和良好的光电响应特性,在人工智能中显示出巨大的发展潜力。通过改变二苯并吩嗪衍生物与咔唑的连接位点,构建了两种不同主链构型的CPs,分别为10Th-oCz-2,7-PM15和10Th-oCz-3,6-PM15。其中,由于10Th-oCz-2,7-PM15的平面共轭结构显示出与s-SWCNT更好的包裹效果。最终,基于10Th-oCz-2,7-PM15包裹的s-SWCNT制备的TFT器件具有更好的性能,例如,更高的电荷迁移率(10.58 cm^(2)/V·s)以及更大的开/关比(10^(6))。因此,CPs的构型会影响对s-SWCNT的包裹效果,从而影响TFT的性能。The semiconductor single-walled carbon nanotube(s-SWCNT)bound by the conjugated polymers(CPs)can act as channels in thin-film transistors(TFTs)with high charge mobility and good photoelectric response property,which shows huge utilization potential in artificial intelligence.Two CPs of 10Th-o Cz-2,7-PM15 and 10Th-o Cz-3,6-PM15 based on dibenzophenazine derivatives with different chain configuration were constructed by changing joining site between dibenzophenazine derivatives and carbazole.Among them,the 10Th-o Cz-2,7-PM15 shows better effect of binding to s-SWCNT,owing to its planar conjugated configuration.Moreover,the TFT based on s-SWCNT bound by 10Th-o Cz-2,7-PM15 presents better performance,for example,higher charge mobility of 10.58 cm^(2)/V·s and bigger on/off ratio of 10^(6).In conclusion,the configuration of CPs can influence the performance of TFT based on s-SWCNT bound by CPs eventually.

关 键 词：共轭聚合物 薄膜晶体管 电荷迁移率 光电响应 二苯并吩嗪衍生物 

分 类 号：TB332[一般工业技术—材料科学与工程] TB322