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Surface-Enhanced Impulsive Coherent Vibrational Spectroscopy
Du, Juan; Harra, Juha; Virkki, Matti; Makela, Jyrki M.; Leng, Yuxin; Kauranen, Martti; Kobayashi, Takayoshi; martti.kauranen@tut.fi; kobayashi@ils.uec.ac.jp
2016
发表期刊Sci Rep
卷号6
摘要Surface-enhanced Raman spectroscopy (SERS) has attracted a lot of attention in molecular sensing because of the remarkable ability of plasmonic metal nanostructures to enhance the weak Raman scattering process. On the other hand, coherent vibrational spectroscopy triggered by impulsive excitation using ultrafast laser pulses provides complete information about the temporal evolution of molecular vibrations, allowing dynamical processes in molecular systems to be followed in "real time". Here, we combine these two concepts and demonstrate surface-enhanced impulsive vibrational spectroscopy. The vibrational modes of the ground and excited states of poly[2-methoxy5-( 2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV), spin-coated on a substrate covered with monodisperse silver nanoparticles, are impulsively excited with a sub-10 fs pump pulse and characterized with a delayed broad-band probe pulse. The maximum enhancement in the spectrally and temporally resolved vibrational signatures averaged over the whole sample is about 4.6, while the realtime information about the instantaneous vibrational amplitude together with the initial vibrational phase is preserved. The phase is essential to determine the vibrational contributions from the ground and excited states.
文章类型Article
部门归属强光
DOI10.1038/srep36471
资助者100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo
收录类别SCI
资助者100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo ; 100 Talents Program of the Chinese Academy of Sciences (CAS); Strategic Priority Research Program of the CAS [XDB16]; National Natural Science Foundation of China [61475169]; Academy of Finland [136080]; Japan Science and Technology Agency; Graduate Schoo
WOS记录号WOS:000387018900001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27740
专题强场激光物理国家重点实验室
通讯作者martti.kauranen@tut.fi; kobayashi@ils.uec.ac.jp
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Du, Juan,Harra, Juha,Virkki, Matti,et al. Surface-Enhanced Impulsive Coherent Vibrational Spectroscopy[J]. Sci Rep,2016,6.
APA Du, Juan.,Harra, Juha.,Virkki, Matti.,Makela, Jyrki M..,Leng, Yuxin.,...&kobayashi@ils.uec.ac.jp.(2016).Surface-Enhanced Impulsive Coherent Vibrational Spectroscopy.Sci Rep,6.
MLA Du, Juan,et al."Surface-Enhanced Impulsive Coherent Vibrational Spectroscopy".Sci Rep 6(2016).
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