Cruciform Electron Acceptors Based on Tetraindeno-Fused Spirofluorene

被引：9
|
作者：
Xia, Debin [1 ,2 ]
Guo, Xin [3 ]
Wagner, Manfred [2 ]
Baumgarten, Martin [2 ]
Schollmeyer, Dieter [4 ]
Muellen, Klaus [4 ]
机构：
[1] Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Peoples R China
[2] Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany
[3] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
[4] Johannes Gutenberg Univ Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
来源：
CRYSTAL GROWTH & DESIGN | 2017年 / 17卷 / 05期
基金：
中国博士后科学基金;
关键词：
FIELD-EFFECT TRANSISTORS; THIN-FILM TRANSISTORS; ORGANIC SEMICONDUCTORS; N-TYPE; BAND-GAP; PHOTOVOLTAICS; DEFICIENT; POLYMERS; DESIGN; DONOR;
D O I：
10.1021/acs.cgd.7b00272
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two cruciform tetraindenospirofluorene-based acceptors embedding carbonyl (Spiro-4O) and dicyano-vinylene (Spiro-8CN) functionalities are synthesized in high yields. Single-crystal X-ray analysis reveals a one-dimensional pi-pi stacking arrangement for Spiro-4O, while Spiro-8CN adopts a unique two-dimensional isotropic a-interaction. Cyclic voltammetry suggests a high electron affinity of -3.76 eV for Spiro-8CN. Such a packing motif and low LUMO energy for Spiro-8CN are important for bulk electron transport.
引用
收藏
页码：2816 / 2821
页数：6
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