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The quantum yield (Φ) of a radiation-induced process is the number of times a specific event occurs per photon absorbed by the system. The "event" is typically a kind of chemical reaction. ==Applications== The quantum yield for the decomposition of a reactant molecule in a decomposition reaction is defined as: :: Quantum yield can also be defined for other events, such as fluorescence:〔Lakowicz, Joseph R. ''Principles of Fluorescence Spectroscopy'' (Kluwer Academic / Plenum Publishers 1999) p.10. ISBN 978-0-387-31278-1〕 :: Here, quantum yield is the emission efficiency of a given fluorophore. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「quantum yield」の詳細全文を読む スポンサード リンク
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