期刊
CHEMPHYSCHEM
卷 10, 期 1, 页码 101-110出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.200800516
关键词
biophysics; conical intersections; femtochemistry; photochemistry; time-resolved spectroscopy
We present a summary of recent advances in the understanding of the UV photophysics of the isolated DNA base adenine, emphasizing a discussion of the mechanisms behind the ultrafast relaxation following excitation to the pi pi* bond. Drawing on our femtosecond time-resolved photoelectron spectroscopy experiments, we discuss differences in the ultrafast relaxation of adenine and 9-methyladenine and consider the relative merits of the various proposed mechanisms.
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