Journal
JOULE
Volume 5, Issue 6, Pages 1322-1325Publisher
CELL PRESS
DOI: 10.1016/j.joule.2021.05.020
Keywords
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Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [NRF-2021R1C1C1009032]
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The research suggests that the thermodynamically unstable systems with low miscibility in non-fullerene acceptor-based organic solar cells may exhibit a more stable morphology under thermal stress, leading to improved device stability.
Understanding the fundamental origin of morphological degradation in non-fullerene acceptor-based organic solar cells is challenging. In the April 2021 issue of Nature Materials, Ghasemi et al. reveal that the most thermodynamically unstable and low-miscibility systems with high Flory-Huggins interaction parameter (chi) exhibit the most kinetically stable (low diffusion) morphology for superior device operation stability under thermal stress.
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