https://doi.org/10.1351/goldbook.P04588
The branch of chemistry concerned with the chemical effects of light (far UV to IR).
See:
photochemical reaction
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2259 [Terms] [Paper]
See also:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2206 [Terms] [Paper]