photoconductive

/ˌfoʊtoʊkənˈdʌktɪv/
adjective
  1. Describing a material that becomes better at conducting electricity when light shines on it.
    • Scientists are developing new photoconductive polymers for flexible solar panels.
    • The photoconductive material in the sensor allows it to detect changes in light.
    • This photoconductive coating is used in photocopiers to transfer images onto paper.
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