Small molecules based difluoroquinoxaline for organic solar cells

被引：0

作者：

Kong, MinSung ^{[1
]}

Lee, Jihoon ^{[2
]}

Song, Suhee ^{[3
]}

Park, Seong Soo ^{[1
]}

Lee, Won-Ki ^{[4
]}

Kim, Jin Young ^{[3
]}

Park, Sung Heum ^{[2
]}

Jin, Youngeup ^{[1
]}

机构：

[1] Pukyong Natl Univ, Dept Ind Chem, Busan, South Korea

[2] Pukyong Natl Univ, Dept Phys, Busan, South Korea

[3] Ulsan Natl Inst Sci & Technol UNIST, Dept Energy Engn, Ulsan, South Korea

[4] Pukyong Natl Univ, Dept Polymer Engn, Busan, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2021年 / 728卷 / 01期

关键词：

Fluorine atom; solar cells; synthesis;

D O I：

10.1080/15421406.2021.1946976

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new accepter unit, 2,3-didodecyl-6,7-difluoroquinoxaline, was prepared and utilized for the synthesis of electron acceptor-donor-acceptor materials for organic solar cells. 2,3-Didodecyl-6,7-difluoroquinoxaline unit was designed to introduce electron-withdrawing F atom in quinoxaline unit to improve deeper HOMO energy levels and higher V-OC of the materials. The thienothiophene in conjugated materials has more excellent electron-donating ability to decrease of HOMO energy levels, which improves efficiency by increasing the V-OC values.

引用

页码：45 / 51

页数：7

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