Time-resolved resonance Raman spectra of the intramolecular charge transfer state of DMABN

被引:39
作者
Kwok, WM
Ma, C
Matousek, P
Parker, AW [1 ]
Phillips, D
Toner, WT
Towrie, M
机构
[1] Rutherford Appleton Lab, CLRC, Cent Laser Facil, Didcot OX11 0QX, Oxon, England
[2] Univ Oxford, Clarendon Lab, Dept Phys, Oxford OX1 3PU, England
[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AY, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/S0009-2614(00)00436-X
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
Picosecond time-resolved Raman spectra of the intramolecular charge transfer state of DMABN and DMABN-d(6), have been obtained in resonance with two different electronic states, using probes at 330 and 400 nm. Fluorescence was rejected using a Kerr gate. Several resonance Raman bands in the 750-2200 cm(-1) region are reported for the first time. The prominent C=N stretch at 2096 cm(-1) and bands sensitive to the amino group deuteration are only observed using the 330 nm probe. At 400 nm, bands assigned to modes localised on the ring dominate the spectrum. The results support the TICT model. (C) 2000 Elsevier Science B.V. All rights reserved.
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页码:395 / 400
页数:6
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