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Molar absorption coefficient and radiolytic yield of solvated electrons in diethylmethyl(2-methoxy)ammonium bis (trifluoromethanesulfonyl)imide ionic liquid

Asano, Akira*; Yang, J.*; Kondo, Takafumi*; Norizawa, Kimihiro*; Nagaishi, Ryuji ; Takahashi, Kenji*; Yoshida, Yoichi*

The molar extinction coefficient and the radiolytic yield of solvated electrons in ionic liquid of DEMMA-TFSI were estimated respectively to be 2.3$$times$$10$$^{4}$$ L mol$$^{-1}$$ cm$$^{-1}$$ and 0.8$$times$$10$$^{-7}$$ mol J$$^{-1}$$ by observing the reaction and kinetics of solvated electron and dry electron in the ionic liquid. The solvated electron in DEMMA-TFSI has a very broad absorption spectrum peaking at 1100 nm and reacts slowly with pyrene with a rate constant of 3.5$$times$$10$$^{8}$$ L mol$$^{-1}$$ s$$^{-1}$$, while the dry electron is captured rapidly by pyrene with C$$_{37}$$ value of 0.065 mol L$$^{-1}$$.

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Category:Chemistry, Physical

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