Gratings has been funded by the National Science Foundation and the Department of Energy to develop high efficiency GaAs/Si and Si thin-film solar cells on low-cost, flexible substrates.

Gratings, Inc. has extensive R & D experience in several semiconductor processing areas. Gratings, Inc. has received funding from NSF, DoD, and DOE. Some areas of research are listed here.

Heteroepitaxial growth on Si nanostructures
Field emission devices
Thin-film solar cells
Dry solar cell manufacturing processes