Abstract
We have performed coarse-grained molecular dynamics simulations of organic photovoltaic (OPV) 5wcells consisting of poly(3-hexyl-thiophene) (P3HT), phenyl-C61-butyric acid methyl ester (PC61BM), and phenyl-C71-butyricacid methyl ester (PC71BM) to investigate the effects of the solvent evaporation rate and the number of components in the morphological stability of OPV. Two different solvent evaporation processes were employed in this study. In the instantaneous solvent removal process, unstable pores are formed because of the slow translational relaxation of the electron receptors. In case of the gradual solvent removal process, the stable film formation is observed without any pore. In addition, the ternary OPV system shows better stability than binary systems by slowing down the phase separation.
| Original language | English |
|---|---|
| Pages (from-to) | 988-993 |
| Number of pages | 6 |
| Journal | Bulletin of the Korean Chemical Society |
| Volume | 42 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2021 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Coarse-grained molecular dynamics simulation
- Morphological stability
- Organic photovoltaics
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