Efficient Electron Mobility in an All-Acceptor Napthalenediimide-Bithiazole Polymer Semiconductor with Large Backbone Torsion

被引：17

作者：

Ly, Jack T. ^{[1
]}

Burnett, Edmund K. ^{[1
]}

Thomas, Simil ^{[2
]}

Aljarb, Areej ^{[6
]}

Liu, Yao ^{[1
]}

Park, Soohyung ^{[3
]}

Rosa, Stephen ^{[1
]}

Yi, Yeonjin ^{[3
]}

Lee, Hyunbok ^{[4
]}

Emrick, Todd ^{[1
]}

Russell, Thomas P. ^{[1
]}

Bredas, Jean-Luc ^{[2
,6
]}

Briseno, Alejandro L. ^{[1
,5
]}

机构：

[1] Univ Massachusetts, Dept Polymer Sci & Engn, 120 Governors Dr, Amherst, MA 01003 USA

[2] Georgia Inst Technol, Sch Chem & Biochem, COPE, Atlanta, GA 30332 USA

[3] Yonsei Univ, Inst Phys & Appl Phys, 50 Yonsei Ro, Seoul 03722, South Korea

[4] Kangwon Natl Univ, Dept Phys, 1 Gangwondaehak Gil, Chuncheon Si 24341, Gangwon Do, South Korea

[5] Penn State Univ, Dept Chem, University Pk, PA 16803 USA

[6] King Abdullah Univ Sci & Technol, Div Phys Sci & Engn, Lab Computat & Theoret Chem Adv Mat, Thuwal 239556900, Saudi Arabia

来源：

ACS APPLIED MATERIALS & INTERFACES | 2018年 / 10卷 / 46期

基金：

美国国家科学基金会;

关键词：

all-acceptor; semiconductor; n-type; thiazole; naphthalene diimide; annealing; FIELD-EFFECT TRANSISTORS; NAPHTHALENE-DIIMIDE; N-CHANNEL; CONJUGATED POLYMERS; CHARGE-TRANSPORT; ON TEXTURE; FACE-ON; COPOLYMER; DONOR; PERFORMANCE;

D O I：

10.1021/acsami.8b11234

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An all-acceptor napthalenediimide-bithiazole-based copolymer, P(NDI2OD-BiTz), was synthesized and characterized for application in thin-film transistors. Density functional theory calculations point to an optimal perpendicular dihedral angle of 90 degrees between acceptor units along isolated polymer chains; yet optimized transistors yield electron mobility of 0.11 cm(2)/(V s) with the use of a zwitterionic naphthalene diimide interlayer. Grazing incidence X-ray diffraction measurements of annealed films reveal that P(NDI2OD-BiTz) adopts a highly ordered edge-on orientation, exactly opposite to similar bithiophene analogs. This report highlights an NDI and thiazole all acceptor polymer and demonstrates high electron mobility despite its nonplanar backbone conformation.

引用

页码：40070 / 40077

页数：8

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