The synthesis and photosensing ability of a novel green-absorbing dendrimer are presented. The photoresponse of a
photodiode comprising a bulk heterojunction blend of a first generation ketocyanine-cored dendrimer with carbazole
dendrons and fluorenyl surface groups and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) shows good spectral
selectivity for digital camera applications. The narrow absorbing photodiode achieved an external quantum efficiency of
2.9% at 515 nm and maintained a profile similar to the absorption of the unblended dendrimer.
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