Aggregation-Induced Emission: Materials and Applications

Dear Colleagues,

Aggregation-induced emission (AIE) is a term introduced by B. Z. Tang in 2001 to describe situations in which non-emissive or weakly emissive organic molecules exhibit enhanced luminescence when forced into molecular aggregation in the presence of poor solvents or in the solid state. In the intervening years the definition has been expanded to include organic luminophores that display enhanced or “turn on” emission when placed in an environment that impedes intramolecular motion—especially arene bond rotation. While traditional AIE scaffolds include hexaphenylsiloles and tetraphenylethylenes, a number of additional molecular frameworks have been identified that also demonstrate AIE properties. The luminescent features of AIE active systems differ from those observed in conventional organic fluorophores (which often experience aggregation-caused quenching), and AIE-active luminophores have been utilized in an impressive range of applications spanning materials chemistry to chemical biology operating in the solution phase and the solid state. The aim of this Special Issue is to highlight recent developments in the design and construction of AIE-active systems in the broadly defined area of functional materials.

Assoc. Prof. Dr. F. Christopher Pigge
Guest Editor

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