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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Detailed Investigations of the Pump-Probe Spectroscopy of the Equilibrated Solvated Electron in Alcohols
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Detailed Investigations of the Pump-Probe Spectroscopy of the Equilibrated Solvated Electron in Alcohols

机译：醇中平衡溶剂化电子的泵浦探针光谱的详细研究

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摘要

Pump-probe spectroscopy of the equilibrated solvated electron in methanol and ethanol has been studied with ～300 fs time resolution. At low pump power the observed dynamics are assigned to s → p excitation and subsequent relaxation of a localized solvated electron. In contrast, at high pump power, two-photon absorption apparently produces mobile 'conduction band' electrons, which are subsequently trapped and relax at a remote site from the initial equilibrated electron. The two-photon excitation is also observed to induce an ultrafast proton-transfer reaction from the solvent.
机译：用约300 fs的时间分辨率研究了在甲醇和乙醇中平衡的溶剂化电子的泵浦探针光谱。在低泵浦功率下，观察到的动力学分配给s→p激发，然后使局部溶剂化电子松弛。相反，在高泵浦功率下，双光子吸收显然会产生可移动的“导带”电子，该电子随后被俘获并在远离初始平衡电子的较远位置放松。还观察到双光子激发从溶剂诱导超快速质子转移反应。

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