Photodissociation of Iodobenzene and Photoacoustic Detection of the Products Using a Dual-Purpose Q-switched YAG Laser
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概要
- 論文の詳細を見る
The third harmonic of a Q-switched Nd:YAG laser is used to decompose iodobenzene C_6H_5I dissolved in benzene. Photoacoustic (PA) signals are observed simultaneously. They initially have a finite value arising not only from the solvent but also from the reaction of the radicals, C_6H_5・ and I・, since the quantum yield of the photodissociation is reported to be approximately 100%. The PA intensity increases with the number of laser shots since the the reaction product, iodine, forms a charge-transfer complex with the solvent, which also absorbs the laser light. From the ratio of initial PA signal to that due to the complex, the quantum yield of chemically induced PA is deduced to be less than 60%.
- 社団法人応用物理学会の論文
- 1996-05-30
著者
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Hayashi Shigeo
Department Of Applied Physecs And Chemistry University Of Electro-communications
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Takekoshi Hidekazu
Department Of Applied Physics And Chemistry University Of Electro-communications:(present Address) 2
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