5. Glossary
nanomaterial; nanomaterial
Material with at least one dimension smaller than 100 nm and whose properties are modified as a result.
luminescence; luminescence
Light emission resulting from the de-excitation of a charged particle (electron or hole).
CIGS; Copper Indium Gallium Selenide
Semiconductor alloy with the chemical formula Culn x Ga (1-x) Se 2 . Its energy band gap can be varied from 1 eV to &, 7 eV depending on the value of x.
Down conversion ; down conversion
Emission of photons with lower energies and therefore longer wavelengths than the photons used for excitation. The...
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