ArticleFrontiers in chemistry2026
Intermolecular packing effects on the two-photon absorption of the H
Article in Frontiers in chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Materials exhibiting efficient nonlinear optical properties, such as two-photon absorption (2PA), are of increasing interest for applications including biomedical imaging, optical data storage, and long-range communications. Metal-organic frameworks (MOFs) provide a versatile platform for enhancing such 2PA responses by allowing specific ordered arrangements of chromophores. In particular, organic molecules exhibiting aggregation-induced emission (AIE) have shown a significant increase in 2PA cross sections when incorporated into MOFs as linkers. This is possible not only because of the periodic ordered arrangement of photoactive molecules, but also due to subtle changes to the electronic properties of AIE-linkers and hindering their structural flexibility. The latter has been reported for tetrakis [4-(4-carboxyphenyl)phenyl]ethylene, known as H
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