A systematic shift in the electronic spectra of substituted benzene molecules trapped in helium nanodroplets

被引:14
作者
Boatwright, A [1 ]
Besley, NA [1 ]
Curtis, S [1 ]
Wright, RR [1 ]
Stace, AJ [1 ]
机构
[1] Univ Nottingham, Sch Chem, Dept Phys Chem, Nottingham NG7 2RD, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1063/1.1988309
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
Electronic spectra (S-1 <- S-0) have been recorded from five separate substituted benzene derivatives trapped in helium nanodroplets. Each member of the series is found to exhibit a blueshift with respect to the equivalent transition in the gas phase. Taken together with previous results for benzene, the observed shifts show a remarkably good correlation with changes in electron density that occur within each of the aromatic rings as a result of electronic excitation. (c) 2005 American Institute of Physics.
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页数:3
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