Coherent Light Harvesting through Strong Coupling to Confined Light.

Coherent Light Harvesting through Strong Coupling to Confined Light.
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DOI:
10.1021/acs.jpclett.8b02032
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发表时间:
2018-09-06
期刊:
The journal of physical chemistry letters
影响因子:
--
通讯作者:
Toppari JJ
Toppari JJ
中科院分区:
其他
文献类型:
--
作者:
Groenhof G;Toppari JJ

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当光活性分子与受限光模式强烈相互作用时,可能形成新的光-物质混合态:极化激元。这些极化激元是分子激发和腔光子激发的相干叠加。最近,极化激元被证明可以在超过福斯特极限的距离上介导发色团之间的能量转移。在这里,我们探讨了潜在的强耦合捕光应用的光反应和非光反应分子的混合物强烈耦合到一个单一的受限光模式的原子分子动力学模拟。这些分子在空间上是分离的,并且以不同的浓度存在。我们的模拟表明,虽然激发最初在所有分子和受限光模式上完全离域,但它非常迅速地定位到其中一个光反应分子上,然后进行反应。
When photoactive molecules interact strongly with confined light modes, new hybrid light–matter states may form: the polaritons. These polaritons are coherent superpositions of excitations of the molecules and of the cavity photon. Recently, polaritons were shown to mediate energy transfer between chromophores at distances beyond the Förster limit. Here we explore the potential of strong coupling for light-harvesting applications by means of atomistic molecular dynamics simulations of mixtures of photoreactive and non-photo-reactive molecules strongly coupled to a single confined light mode. These molecules are spatially separated and present at different concentrations. Our simulations suggest that while the excitation is initially fully delocalized over all molecules and the confined light mode, it very rapidly localizes onto one of the photoreactive molecules, which then undergoes the reaction.
空间分离的纠缠分子之间的能量转移。
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