Dictionary of nanotechnology

The process in which molecules or matter absorb high energy photons and then emit lower energy photons. The difference in energy causes molecular vibrations.

The process in which molecules or matter absorb high energy photons and then emit lower energy photons. The difference in energy causes molecular vibrations.

Emission of light by excited molecules as they revert to the ground state.

A property of some molecules to absorb one wavelength of light and then emit light at a higher wavelength