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Photochemistry - Wikipedia
Photochemistry is the branch of chemistry concerned with the chemical effects of light. Generally, this term is used to describe a chemical reaction caused by absorption of ultraviolet (wavelength from 100 to 400 nm), visible (400–750 nm), or infrared radiation (750–2500 nm). [1] .
Photochemical Reaction: Definition, Examples, & Applications
A photochemical reaction is a chemical reaction that is initiated by the absorption of energy in the form of light (photons), resulting in specific products. Usually, molecules prefer to remain in the state of lowest energy, known as the ground state.
Photochemical reaction | Light-Induced Chemical Changes | Britannica
Photochemical reaction, a chemical reaction initiated by the absorption of energy in the form of light. The consequence of molecules’ absorbing light is the creation of transient excited states whose chemical and physical properties differ greatly from the original molecules.
PHOTOCHEMICAL Definition & Meaning - Merriam-Webster
The meaning of PHOTOCHEMICAL is of, relating to, or resulting from the chemical action of radiant energy and especially light. How to use photochemical in a sentence.
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Photochemical Reaction - an overview | ScienceDirect Topics
A photochemical reaction is defined as a chemical reaction that is triggered by the absorption of a photon, whereby a reactant molecule becomes electronically excited and subsequently undergoes a chemical transformation in its excited state, resulting in the formation of a photochemical product.
Photochemistry - Michigan State University
A photochemical reaction occurs when internal conversion and relaxation of an excited state leads to a ground state isomer of the initial substrate molecule, or when an excited state undergoes an intermolecular addition to another reactant molecule in the ground state.
photochemical reaction summary | Britannica
photochemical reaction, Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example is photosynthesis.
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