Nonphotochemical hole burning investigated at the single-molecule level:: Stark effect measurements on the original and photoproduct state

被引:27
|
作者
Kulzer, F
Matzke, R
Bräuchle, C
Basché, T
机构
[1] Univ Mainz, Inst Phys Chem, D-55099 Mainz, Germany
[2] Univ Munich, Inst Phys Chem, D-80333 Munich, Germany
来源
JOURNAL OF PHYSICAL CHEMISTRY A | 1999年 / 103卷 / 14期
关键词
D O I
10.1021/jp9839448
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
By applying an external electric field, we have studied the de Stark shifts at the two states of a low-temperature single-molecule optical switch. We observe a reversible change from a mainly quadratic field dependence to a linear field dependence. The data analysis provides the S-1 -S-0 dipole moment and polarizability differences of both the original and photoproduct state. On the basis of these data, a detailed microscopic scenario for the underlying nonphotochemical hole burning mechanism is discussed.
引用
收藏
页码:2408 / 2411
页数:4
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