Negative ion photoelectron spectroscopy of (benzene)n− (n=53–124) and (toluene)n− (n=33–139): Solvation energetics of an excess electron in size-selected aromatic hydrocarbon nanoclusters
Negative ion photoelectron spectroscopy of (benzene)n− (n=53–124) and (toluene)n− (n=33–139): Solvation energetics of an excess electron in size-selected aromatic hydrocarbon nanoclusters
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(苯)n− (n=53–124) 和(甲苯)n− (n=33–139) 的负离子光电子能谱：选定尺寸的芳香烃纳米团簇中多余电子的溶剂化能量学
DOI：
10.1063/1.1516793
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发表时间：
2002
影响因子：
4.4
通讯作者：
K. Kaya
中科院分区：
文献类型：
--
作者：
M. Mitsui;A. Nakajima;K. Kaya
我们对尺寸选定的芳香烃纳米团簇（苯）n−（n=53–124）和（甲苯）n−（n=33–139）中多余电子的溶剂化能量进行了负离子光电子能谱研究。使用两种不同来源的质谱研究了这些带负电团簇的形成和稳定性：（1）低能（约0.3 eV）电子附着和（2）高能电子碰撞。结果表明，非常大的配位数（n∼25）对于形成稳定的苯和甲苯簇阴离子是必要的。这表明第二溶剂化层（效应）对于这些簇中多余电子的稳定结合至关重要。还通过负离子光电子能谱探索了团簇阴离子的能量学。通过分析垂直脱离能与 n−1/3 的关系，获得的光电子能谱与体参数（例如溶剂重组能和导带最小值）相关。本体溶剂重整...
We present a negative ion photoelectron spectroscopic study on the solvation energetics of an excess electron in the size-selected aromatic hydrocarbon nanoclusters, (benzene)n− (n=53–124) and (toluene)n− (n=33–139). The formation and stability of these negatively charged clusters were investigated using mass spectrometry with two different sources: (1) low-energy (≈0.3 eV) electron attachment and (2) high-energy electron impact. The results reveal that very large coordination numbers (n∼25) are necessary for the formation of stable benzene and toluene cluster anions. This suggests that the second solvation layer (effect) is essential for stable binding of the excess electron in these clusters. The energetics of the cluster anions were also explored by negative ion photoelectron spectroscopy. The photoelectron spectra obtained were related to bulk parameters, e.g., solvent reorganization energy and conduction band minimum, via an analysis of vertical detachment energies versus n−1/3. The bulk solvent reor...
影响因子：
15
作者：
ASAHI, T;OHKOHCHI, M;MARUYAMA, K
通讯作者：
MARUYAMA, K