Abstract:The aggregation of molecules in devices plays a central role in determining their functional properties. In the aggregated state, p conjugated chromophores can exhibit enhanced emission in comparison to their dilute solution. Here we synthesize and characterize a diketopyrrolopyrrole (DPP) based donor-acceptor molecule in terms of its optical properties in solution and thin film. Temperature and concentration dependent photoluminescence studies reveal the presence of both H and J aggregates in thin film, which… Show more
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