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题名: Observation of the Interference between the Intramolecular IR-Visible and Visible-IR Processes in the Doubly Resonant Sum Frequency Generation Vibrational Spectroscopy of Rhodamine 6G Adsorbed at the Air/Water Interface
作者: Wu, Dan;  Deng, Gang-Hua;  Guo, Yuan;  Wang, Hong-fei1
刊名: JOURNAL OF PHYSICAL CHEMISTRY A
发表日期: 2009-05-28
DOI: 10.1021/jp901655j
卷: 113, 期:21, 页:6058-6063
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: Using the picosecond visible light at 532.1 nm and infrared light at 2800-3100 cm(-1), we observed the interference between the intramolecular IR-visible and visible-IR processes in the doubly resonant sum frequency generation vibrational spectroscopy of Rhodamine 6G adsorbed at the air/water interface. The interference phenomenon exists for both the C-H stretching vibrations in the 2800-3100 cm(-1) region and the skeleton vibrations in the 1450-1700 cm(-1) region. The relative strength of the visible-IR process at different wavelengths is the result of the electronic structure of the molecule. This is the first direct observation of the visible-IR sum frequency generation process in the electronically excited state of a model molecular system.
关键词[WOS]: LARGE ORGANIC-MOLECULES ;  ELECTROCHEMICAL INTERFACE ;  2ND-HARMONIC GENERATION ;  LIQUID INTERFACES ;  XANTHENE DYES ;  SURFACE ;  PROBE ;  RELAXATION ;  SCATTERING ;  METHYLENE
语种: 英语
WOS记录号: WOS:000266296500004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141372
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, State Key Lab Mol React Dynam, Inst Chem, Beijing 100190, Peoples R China

Recommended Citation:
Wu, Dan,Deng, Gang-Hua,Guo, Yuan,et al. Observation of the Interference between the Intramolecular IR-Visible and Visible-IR Processes in the Doubly Resonant Sum Frequency Generation Vibrational Spectroscopy of Rhodamine 6G Adsorbed at the Air/Water Interface[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2009,113(21):6058-6063.
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