Highly thermally stable non-fullerene organic solar cells: p-DTS(FBTTh2)2:P(NDI2OD-T2) bulk heterojunction
- Authors
- Kim, Yu Jin; Chung, Dae Sung; Park, Chan Eon
- Issue Date
- Jul-2015
- Publisher
- ELSEVIER
- Keywords
- Organic photovoltaic; P-type smallmolecule; N-type polymer; Thermal stability; Blend morphology
- Citation
- NANO ENERGY, v.15, pp 343 - 352
- Pages
- 10
- Journal Title
- NANO ENERGY
- Volume
- 15
- Start Page
- 343
- End Page
- 352
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/64536
- DOI
- 10.1016/j.nanoen.2015.04.035
- ISSN
- 2211-2855
2211-3282
- Abstract
- Because long-term solar cell stability may be influenced by morphological reorganization, we investigated the effect of thermal annealing on bulk heterojunction solar cells comprised of p-DTS(FBITh2)(2):P(NDI2OD-T2) (3:1). Our results indicate that the p-DTS(FBITh2)(2)) compound with lower diffusion kinetics enables to stabilize the blend morphology at high temperature, leading to high thermal stability of a p-DTS(FBTTh2)2:P(NDI2OD-T2) solar cell device. Therefore, The p-DTS(FBTTh2)(2):P(NDI2OD-T2) solar cell indicates highly thermally stable bulk heterojunction device as retaining 70% of its original power conversion efficiency value after heating at 180 degrees C over 20 h. These results indicate that p-DTS(FBTTh2)(2):P(NDI2OD-T2) is a promising BHJ system for practical use in non-fullerene OSCs. (C) 2015 Elsevier Ltd. All rights reserved.
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Collections - College of Engineering > School of Chemical Engineering and Material Science > 1. Journal Articles
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