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Fluorescence enhancement by graphene oxide (GO) is reported, a surprising result as graphene and GO are widely considered as highly efficient fluorescence quenchers. Enhancement of aggregation‐induced emission of silole fluorophores (in DES in the figure) in hydrophobic nanoparticles is demonstrated under certain concentration conditions, notably low GO concentration.
A water‐soluble neutral fluorescent conjugated oligomer (FBT) is integrated with graphene oxide (GO) to form a hybrid nanoprobe with extremely low fluorescence background due to the robust quenching capability of GO. The contact between GO and FBT can be effectively shielded by Concanavalin A because of the strong specific protein–carbohydrate interaction, which ultimately allows for light‐up visual...
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