Effect of non-covalent interactions on molecular stacking and photovoltaic properties in organic photovoltaics

被引：7

作者：

Nam, Seung Jun ^{[1
]}

Jeon, Sung Jae ^{[1
]}

Han, Yong Woon ^{[1
]}

Moon, Doo Kyung ^{[1
]}

机构：

[1] Konkuk Univ, Dept Mat Chem & Engn, 1 Hwayang Dong, Seoul 143701, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2018年 / 63卷

关键词：

Organic photovoltaics (OPVs); Non-covalent interaction; Face-on orientation; Dithienophenazine (DTPz); Benzothiadiazole (BT); POLYMER SOLAR-CELLS; DONOR-ACCEPTOR COPOLYMERS; 25TH ANNIVERSARY ARTICLE; CONJUGATED POLYMERS; CHARGE-TRANSPORT; SIDE-CHAIN; HIGHLY EFFICIENT; FUSED PHENAZINE; THIOPHENE; PERFORMANCE;

D O I：

10.1016/j.jiec.2018.02.015

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The conjugated structures of donor-acceptor (D-A) type with sulfur (S), nitrogen (N) and oxygen (0) atoms aid to close packing each other in the backbone by non-covalent interactions. Furthermore, non-covalent interactions are exerted three dimensionally and affect various properties. To know this effects, we introduced different S, N and 0 contents as benzothiadiazole (BT) and dithienophenazine (DTPz, up or down direction of S) units on each polymer backbone. Among the three polymers, P2 with up direction of S showed an open-circuit voltage (Voc) of 0.90V, fill factor (FF) of 54.7% and reached best power conversion efficiency (PCE) of 4.8%. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：191 / 200

页数：10

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