BLUE ORGANIC LONG-PERSISTENT LUMINESCENCE VIA UPCONVERSION FROM CHARGE-TRANSFER TO LOCALLY EXCITED SINGLET STATE

Blue organic long-persistent luminescence via upconversion from charge-transfer to locally excited singlet state

Abstract Long-persistent luminescence (LPL) materials have applications Cleaners from safety signage to bioimaging; however, existing organic LPL (OLPL) systems do not align with human scotopic vision, which is sensitive to blue light.We present a strategy to blueshift the emissions in binary OLPL systems by upconverting the charge-transfer (CT) to

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