Morphological Stability of a Quinoxaline-Based Double-Cable Conjugated Polymer under Thermal Stress

被引：0
|
作者：
Chung, Dasol [1 ]
Bae, Yurim [1 ]
Kim, Chanhyeok [1 ]
Kim, Dawoon [2 ]
Park, Taiho [1 ]
Son, Sung Yun [2 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 37673, Gyeongbuk, South Korea
[2] Kwangwoon Univ, Dept Chem, Seoul 01897, South Korea
来源：
ACS APPLIED POLYMER MATERIALS | 2025年 / 7卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
conjugated polymer; organic solar cell; double-cablepolymer; thermal stability; click reaction; HIGH-PERFORMANCE;
D O I：
10.1021/acsapm.4c03418
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a quinoxaline-based double-cable polymer (QDCP) with a naphthalenediimide (NDI) acceptor pendant designed for enhanced morphological stability in organic solar cells (OSCs). QDCP exhibited superior thermal stability compared to PTQ11, a quinoxaline-based conjugated polymer, and an NDI blend. While the PTQ11:NDI blend showed severe aggregation and reduced charge mobility after thermal treatment (150 degrees C, 10 min), QDCP maintained its morphology and enhanced mobility. Moreover, QDCP-based OSCs retained 90% of their initial power conversion efficiency (PCE) after 120 h of thermal stress at 80 degrees C, whereas the PTQ11:NDI blend suffered significant performance loss.
引用
收藏
页码：1175 / 1180
页数：6
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