= Triplet-triplet annihilation
{wiki=Triplet-triplet_annihilation}
Triplet-triplet annihilation (TTA) is a photophysical process that occurs in molecular systems, particularly those involving organic molecules or organic semiconductors. This phenomenon involves the interaction of two triplet excited states, leading to a variety of interesting outcomes, typically in the context of energy transfer and photon generation. \#\#\# Key Concepts: 1. **Triplet States**: Molecules can be excited to higher energy levels upon absorption of photons.
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