Abstract:Organic materials exhibiting long‐lasting emission in the near infrared are expected to have applications in bio‐imaging and other areas. Although room temperature phosphorescence and thermally activated delayed fluorescence display long‐lived emission of approximately one minute, organic long‐persistent luminescence (OLPL) systems with a similar emission mechanism to inorganic persistent emitters can emit for several hours at room temperature. In particular, OLPL with a hole‐diffusion mechanism can function e… Show more
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