- photochromics
- photochromˈics singular nounThe science and technology of photochromic materialsplural nounPhotochromic materials• • •Main Entry: ↑photo-
Useful english dictionary. 2012.
photochromics
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Photochromism — is the reversible transformation of a chemical species between two forms by the absorption of electromagnetic radiation, where the two forms have different absorption spectra. [ [http://pubs.acs.org/journals/chreay/thematic/00/photo.html Chemical … Wikipedia
Chromism — In chemistry, chromism is a process that induces a change, often reversible, in the colors of compounds. In most cases, chromism is based on a change in the electron states of molecules, especially the π or d electron state, so this phenomenon is … Wikipedia
Photostationary state — The photostationary state of a reversible photochemical reaction is the equilibrium chemical composition under a specific kind of electromagnetic irradiation (usually a single wavelength of visible or UV light). It is a property of particular… … Wikipedia
