This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Solar Cell . Light that strikes this organic solar cell causes electrons to flow between its layers creating an electric current Measurements made by the NIST research team determined the best thickness for the layers finding that could help optimize the cells' performance See also nist gov cfm www nist gov cfm Credit NIST Disclaimer