DENNIS SCHROEDER / NREL / US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY DENNIS SCHROEDER / NREL / US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY
Miniature solar cell. Scientist holding a wafer that contains 11 diagnostic solar cells. The cells are used with a solar concentrator and are 3 microns thick. They convert more than 20 percent of the photons that hit them into usable electricity. Photographed at National Renewable Energy Laboratory (NREL), Colorado, USA.
Model release not required. Property release not required.