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Highly photoconductive devices with very broad absorbance spectra are presented here. These double-layer devices consist of nanocrystals of titanyl phthalocyanine (see Figure, M=TiO) dispersed in thin films of a conjugated ladder polymer (BBL). The presence of the BBL increases the spectral range for commercial TiOPc by several hundred nanometers, opening a new spectral range for photosensitive devices.
Jenekhe et al. (Fri,) studied this question.