Plasmon Energy Transfer in Hybrid Nanoantennas,ACS Nano

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Plasmon Energy Transfer in Hybrid Nanoantennas
ACS Nano ( IF 15.8 ) Pub Date : 2020-12-22 , DOI: 10.1021/acsnano.0c08982
Sean S E Collins _{1,

2} , Emily K Searles ₁ , Lawrence J Tauzin ₁ , Minhan Lou _{3,

4} , Luca Bursi _{3,

5} , Yawei Liu ₆ , Jia Song ₆ , Charlotte Flatebo _{1,

7} , Rashad Baiyasi ₄ , Yi-Yu Cai ₁ , Benjamin Foerster ₈ , Tianquan Lian ₆ , Peter Nordlander _{2,

3,

4,

5} , Stephan Link _{1,

2,

4} , Christy F Landes _{1,

2,

4,

9}

Affiliation

Plasmonic metal nanoparticles exhibit large dipole moments upon photoexcitation and have the potential to induce electronic transitions in nearby materials, but fast internal relaxation has to date limited the spatial range and efficiency of plasmonic mediated processes. In this work, we use photo-electrochemistry to synthesize hybrid nanoantennas comprised of plasmonic nanoparticles with photoconductive polymer coatings. We demonstrate that the formation of the conductive polymer is selective to the nanoparticles and that polymerization is enhanced by photoexcitation. In situ spectroscopy and simulations support a mechanism in which up to 50% efficiency of nonradiative energy transfer is achieved. These hybrid nanoantennas combine the unmatched light-harvesting properties of a plasmonic antenna with the similarly unmatched device processability of a polymer shell.

中文翻译：

混合纳米天线中的等离子体能量转移

等离子金属纳米粒子在光激发时表现出较大的偶极矩，并有可能在附近材料中引起电子跃迁，但迄今为止，快速内部弛豫限制了等离子介导过程的空间范围和效率。在这项工作中，我们使用光电化学合成由具有光电导聚合物涂层的等离子体纳米粒子组成的混合纳米天线。我们证明了导电聚合物的形成对纳米颗粒是有选择性的，并且通过光激发增强了聚合。就地光谱学和模拟支持一种机制，其中实现了高达 50% 的非辐射能量转移效率。这些混合纳米天线将等离子体天线无与伦比的光捕获特性与聚合物外壳同样无与伦比的设备可加工性相结合。

更新日期：2020-12-22

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