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Computational characterization of bulk heterojunction nanomorphology
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26.This is currently accepted portrait of the morphology. Recent studies suggest that there may be third phase being a mixture of D and A.7 The third phase, however, can be easily taken into account in this framework.
27.It is interesting to note that some of these constraints conflict with each other. For instance, long interface and short paths are mutually exclusive (for non-fractal surfaces).
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