Tuning the ultrafast photodissociation dynamics of CH <ce:inf loc='post'>3</ce:inf>Br on ultrathin MgO films by reducing the layer thickness to the 2D limit

Mihai E. Vaida; Thorsten M. Bernhardt

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Tuning the ultrafast photodissociation dynamics of CH 3Br on ultrathin MgO films by reducing the layer thickness to the 2D limit

机译：通过将层厚度降低到2D限制，调整CH 3 BR的Ultrafast光度分析动态

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?Coupling between adsorbate and metal increases with oxide spacing layer decrease.

?Coupling influences excitation mechanism and photodissociation dynamics.

?Adsorption geometry of methyl bromide changes with oxide layer thickness.

?Geometry and coupling cause dissociation time decrease with reduced layer thickness.

Abstract

The femtosecond-laser induced photodissociation of CH3Br adsorbed at sub-monolayer coverage on a solid surface was investigated by time-resolved pump-probe mass spectrometry. To tune the interaction of the CH

机译：<！[cdata [

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< CE：简单段ID =“SP0010”View =“全部”>

？在吸附和金属之间的耦合随氧化物间隔层的增加。

？耦合影响激发机制和PhotoDissociati在动态上。

？甲基溴的吸附几何与氧化物层厚度的变化。

？< / ce：标签> 几何和耦合导致解离时间随着层厚度的减小而减小。

抽象

FemtoSecond-Laser通过时间分辨的泵探针质谱法研究了CH 3 BR的CH 3 BR。调整CH

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来源
《Chemical Physics Letters》 |2017年第2017期|共6页
作者
Mihai E. Vaida; Thorsten M. Bernhardt;
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作者单位

Institute of Surface Chemistry and Catalysis University of Ulm;

Institute of Surface Chemistry and Catalysis University of Ulm;

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原文格式 PDF
正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
关键词
Methyl bromide; MgO ultrathin films; Mo(100); Photodissociation; Femtosecond dynamics; Pump-probe laser spectroscopy;

机译：甲基溴;MgO超薄薄膜;Mo（100）;光度解体;飞秒动态;泵探针激光光谱;

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机译：通过将层厚度降低到2D限制，调整CH 3 BR的Ultrafast光度分析动态
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Tuning the ultrafast photodissociation dynamics of CH 3Br on ultrathin MgO films by reducing the layer thickness to the 2D limit

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