期刊
PHYSICAL REVIEW E
卷 106, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.106.025306
关键词
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资金
- Swedish National Space Agency [174/19]
- Knut och Al-ice Wallenbergs Stiftelse [2016.0059]
- Lerici Foundation for the travel grant
- Swedish National Space Agency [174/19]
- Knut och Alice Wallenbergs Stiftelse [2016.0059]
- Lerici Foundation
- Swedish National Infrastructure for Computing (SNIC) [174/19, 2016.0059, SNIC 2019-7-48]
- Swedish Research Council [SNIC 2020-5-664]
- [SNIC 2021-1-46]
- [2018-05973]
This study performs a quantitative analysis of phase separation in ternary blends upon evaporation of one component using Monte Carlo simulation. The results show that the power law exponent of phase separation varies with different models and methods, and the patterns formed in this type of systems are complex.
We perform a quantitative analysis of Monte Carlo simulation results of phase separation in ternary blends upon evaporation of one component. Specifically, we calculate the average domain size and plot it as a function of simulation time to compute the exponent of the obtained power law. We compare and discuss results obtained by two different methods, for three different models: two-dimensional (2D) binary-state model (Ising model), 2D ternary-state model with and without evaporation. For the ternary-state models, we study additionally the dependence of the domain growth on concentration, temperature and initial composition. We reproduce the expected 1/3 exponent for the Ising model, while for the ternary-state model without evaporation and for the one with evaporation we obtain lower values of the exponent. It turns out that phase separation patterns that can form in this type of systems are complex. The obtained quantitative results give valuable insights towards devising computable theoretical estimations of size effects on morphologies as they occur in the context of organic solar cells.
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