Effect of thiophene, 3-hexylthiophene, selenophene, and Thieno[3,2-b] thiophene spacers on OPV device performance of novel 2,1,3-benzothiadiazole based alternating copolymers

被引：10

作者：

Karaman, Cansu Zeytun ^{[1
]}

Goker, Seza ^{[2
]}

Sahin, Ummugulsum S. ^{[1
]}

Hacioglu, Serife O. ^{[3
]}

Aslan, Sultan Taskaya ^{[1
]}

Haciefendioglu, Tugba ^{[1
]}

Hizalan, Gonul ^{[4
,5
]}

Yildirim, Erol ^{[1
,6
,7
]}

Cirpan, Ali ^{[1
,5
,6
,7
]}

Toppare, Levent ^{[1
,5
,7
]}

机构：

[1] Middle East Tech Univ, Chem Dept, TR-06800 Ankara, Turkey

[2] Roketsan Missiles Inc, Solid Propellant Dept, TR-06500 Ankara, Turkey

[3] Iskenderun Tech Univ, Fac Engn & Nat Sci, Dept Engn Basic Sci Engn, TR-31200 Antakya, Turkey

[4] Middle East Tech Univ, ODTU GUNAM, TR-06800 Ankara, Turkey

[5] Middle East Tech Univ, Ctr Solar Energy Res & Applicat GUNAM, TR-06800 Ankara, Turkey

[6] Middle East Tech Univ, Dept Micro & Nanotechnol, TR-06800 Ankara, Turkey

[7] Middle East Tech Univ, Dept Polymer Sci & Technol, TR-06800 Ankara, Turkey

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2021年 / 895卷

关键词：

Benzothiadiazole; Fluorene; Organic bulk heterojunction solar cell; Suzuki cross coupling reaction; CONJUGATED POLYMERS; PHOTOVOLTAIC PROPERTIES; SOLAR-CELLS; BENZODITHIOPHENE; ACCEPTOR; DONOR; BENZOTHIADIAZOLE; BENZOTRIAZOLE; DERIVATIVES;

D O I：

10.1016/j.jelechem.2021.115483

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Four novel alternating copolymers bearing 5-fluoro-6-((2-octyldodecyl)oxy)benzo[c][1,2,5]thiadiazole as a strong acceptor unit and 9,9-dioctylfluorene as a strong donor unit with bridging units namely, thienothiophene, selenophene, 3-hexylthiophene, and thiophene were designed and synthesized. The polymers were characterized via 1H NMR spectroscopy, and weight average molecular weights were reported via gel permeation chromatography (GPC). For synthesized novel polymers, the bulk heterojunction solar cells were constructed. Besides, the effects of bridging units on electronic, optical, photovoltaic, and morphological properties were investigated. Among the polymers, the thienothiophene containing polymer P1 exhibited the highest PCE as 4.25% under the illumination of AM 1.5 G with 100 mW/cm2.

引用

页数：16

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