UV fragmentation and ultrafast dynamics of trinuclear silver/1-methylthymine and silver/1-methyluracil metal-base pairs in an ion trap
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- 作者：Yevgeniy Nosenkoa ; nosenko@chemie.uni-kl.de" class="auth_mail" title="E-mail the corresponding author ; Christoph Riehna ; riehn@chemie.uni-kl.de" class="auth_mail" title="E-mail the corresponding author ; Wim Klopperb ; klopper@kit.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Metal-base pairs (MBP) ; Silver trimer ; UV action spectroscopy ; Time-resolved spectroscopy ; Pump-probe photofragmentation ; CC2
- 刊名：Chemical Physics Letters
- 出版年：2016
- 出版时间：16 August 2016
- 年：2016
- 卷：659
- 期：Complete
- 页码：55-60
- 全文大小：1155 K
文摘
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Trinuclear Ag/1-methylthymine (1-methyluracil) metal-base pair is studied in ion trap.
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10">Ligand 1ππ∗ transition is identified by UV action spectroscopy and CC2 theory.
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15">Computationally predicted metal centered transition eludes experimental verification.
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Pump-probe photofragmentation reveals ultrafast biexponential excited state decay.
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Electronic relaxation dynamics are comparable to those of isolated nucleobases.