Journal
CHINESE JOURNAL OF POLYMER SCIENCE
Volume 35, Issue 2, Pages 184-197Publisher
SPRINGER
DOI: 10.1007/s10118-017-1898-5
Keywords
Ternary organic solar cells; Morphology; Crystallization; Phase separation
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Funding
- Ministry of Science and Technology [2016YFA0200700]
- National Natural Science Foundation of China [21504066, 21534003]
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Ternary organic solar cells have drawn great attention because the highest power conversion efficiencies have reached similar to 12%, showing a promising prospect for the future applications. However, most reported ternary solar cells focus on the increase of light absorption and the optimization of energy alignment, but ignore the importance of morphology. Herein, we summarize the morphology optimization on the ternary blends with different structural aspects, such as controlling crystallinity, crystal orientation, domain size, and domain purity. Furthermore, the fundamental mechanism of ternary solar cells which is related to the morphology has been described. The efforts here will provide a guiding role for the morphology optimization on the ternary solar cells in the future.
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