Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling

doi:10.1126/science.aba3544

GSTDTAP > 气候变化

DOI	10.1126/science.aba3544
	Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling
	Bo Xiang; Raphael F. Ribeiro; Matthew Du; Liying Chen; Zimo Yang; Jiaxi Wang; Joel Yuen-Zhou; Wei Xiong
	2020-05-08
发表期刊	Science
出版年	2020
英文摘要	Vibrational energy transfer (VET) between solute molecules is generally unfavorable in liquids because of weak intermolecular forces. Xiang et al. measured the two-dimensional infrared spectrum of a molecular mixture, W(CO)6 and W(13CO)6, with saturated concentrations in a binary solvent embedded in an optical microcavity. This experiment showed that the VET between the asymmetric stretch vibrations of two solute molecules is enhanced via polaritonic intermediate states formed by a strong coupling with the cavity mode. The efficiency is modulated by the cavity lifetime, which provides an opportunity to control the VET process in the liquid phase. This could lead to various practical implementations. Science , this issue p. [665][1] Selective vibrational energy transfer between molecules in the liquid phase, a difficult process hampered by weak intermolecular forces, is achieved through polaritons formed by strong coupling between cavity photon modes and donor and acceptor molecules. Using pump-probe and two-dimensional infrared spectroscopy, we found that the excitation of the upper polariton, which is composed mostly of donors, can efficiently relax to the acceptors within ~5 picoseconds. The energy-transfer efficiency can be further enhanced by increasing the cavity lifetime, suggesting that the energy transfer is a polaritonic process. This vibrational energy-transfer pathway opens doors for applications in remote chemistry, sensing mechanisms, and vibrational polariton condensation. [1]: /lookup/doi/10.1126/science.aba3544
领域	气候变化 ; 资源环境
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引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/249832
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Bo Xiang,Raphael F. Ribeiro,Matthew Du,等. Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling[J]. Science,2020.
APA	Bo Xiang.,Raphael F. Ribeiro.,Matthew Du.,Liying Chen.,Zimo Yang.,...&Wei Xiong.(2020).Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling.Science.
MLA	Bo Xiang,et al."Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling".Science (2020).