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One-step synthesis of perylenediimides exhibiting near-infrared absorption and emission by amino-yne click reaction.

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The facile synthesis of chromophores with near-infrared (NIR) absorption and emission is of particular interest due to their wide range of applications. Here we report a one-step synthesis of amino-functionalized… Click to show full abstract

The facile synthesis of chromophores with near-infrared (NIR) absorption and emission is of particular interest due to their wide range of applications. Here we report a one-step synthesis of amino-functionalized perylenediimides exhibiting NIR absorption and emission via a catalyst-free amino-yne click reaction. We also demonstrate the post-modification of polyethylenimine by the click reaction, resulting in the formation of a polymeric NIR chromophore with an emission peak at 913 nm in the solid state.

Keywords: click reaction; synthesis; emission; absorption emission; amino

Journal Title: Chemical communications
Year Published: 2023

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