Retrieving "Chemiluminescence" from the archives
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Exothermic Reaction
Linked via "chemiluminescence"
Chemiluminescence
In some cases, the released energy does not manifest primarily as sensible heat but instead excites electrons within the product molecules to higher energy states. When these electrons subsequently relax to lower energy levels, photons of visible light are emitted. This process is known as chemiluminescence. For example, the oxidation of [1,2-diox… -
Photoluminescence
Linked via "chemiluminescence"
Photoluminescence is a quantum mechanical process involving the absorption of photons by a material, followed by the subsequent re-emission of photons. This phenomenon is distinct from chemiluminescence or electroluminescence in that the energy input is solely photonic, and the re-emission occurs via relaxation from an excited electronic state back to a lower energy state [1]. The efficiency and spectral characteristics of photoluminescence are heav…
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Volcanic Rock
Linked via "chemiluminescence"
Glassy Textures and Tachylyte
When cooling is extremely rapid (quenching), crystallization is suppressed entirely, resulting in natural glass, known as Tachylyte when mafic. Tachylyte is notably brittle but possesses an unusually high capacity for storing photonic energy, leading to faint, intermittent luminescence observed primarily in deep-sea environments [5]. This phenome…