Details

Autor(en) / Beteiligte

• Sun, Jia
• Zhang, Zhuohan
• Yin, Xinxing
• Zhou, Jie
• Yang, Linqiang
• Geng, Renyong
• Zhang, Fujun
• Zhu, Rihong
• Yu, Jiangsheng
• Tang, Weihua

Titel

High performance non-fullerene polymer solar cells based on PTB7-Th as the electron donor with 10.42% efficiency

Ist Teil von

• Journal of materials chemistry. A, Materials for energy and sustainability, 2018, Vol.6 (6), p.2549-2554

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2018

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• In this work, we present a structurally defined blue-shift non-fullerene electron acceptor ( ITCT ) matching with PTB7-Th as the electron donor for high-performance fullerene-free polymer solar cells (PSCs). The PTB7-Th/ ITCT blend based bulk-heterojunction (BHJ) devices give an appreciable PCE of 8.23% and a relatively high V OC of 0.96 V without any optimization. Upon device processing with thermal annealing and the addition of 0.1% DIO additive, the active layer achieves a more ordered and crystalline morphology. Consequently, a high PCE of 10.42% has been achieved with a V OC of 0.95 V, a J SC of 15.13 mA cm −2 and a high FF of 0.72. To the best of our knowledge, the PCE of 10.42% is among the highest values reported in the literature to date for non-fullerene PSCs using PTB7-Th as the electron donor.