Laarhoven, Wim H. Department of Organic Chemistry, University of Nijmegen, Nijmegen, The Netherlands.
Last reviewed:January 2020
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A branch of chemistry that deals with light-induced changes of organic material. Because it studies the interaction of electromagnetic radiation and matter, photochemistry is concerned with both chemistry and physics. In considering photochemical processes, therefore, it is also necessary to consider physical phenomena that do not involve strictly chemical changes, for example, absorption and emission of light, and electronic energy transfer.
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