| http://www.w3.org/ns/prov#value | - Many types of photoactive layers are known in the art, including well-known semiconducting materials based on crystalline and amorphous silicon, various thin-film technologies that utilize amorphous silicon and semiconductors and organic polymers that contain photoactive dyes. the other photoactive layers can also be made, in part or in whole, with photoactive nanoparticles.
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