photoconductivity
/ˌfoʊtoʊˌkɑndʌkˈtɪvəti/
noun
- The property of a material to become more electrically conductive when exposed to light.
- Understanding photoconductivity is important for designing better solar cells.
- Students measured the photoconductivity of the sample by shining a laser on it.
- The photoconductivity of selenium makes it useful in old photocopiers.