The excitation of localized surface plasmon resonances (LSPRs) in metal nanostructures enables subwavelength photon localization and large electric field enhancement, which can be advantageously used to strongly enhance light-matter interactions at the nanoscale. For this purpose, efficient methods for deterministically handling and arranging nanomaterials at the exact position of the localized electric field are required. In this Letter, we propose a novel method based on a hydrothermal synthesis reaction to locally and selectively synthesize zinc oxide in a plasmonic nanoantenna. We first make evident the role of LSPR for achieving efficient heating of gold nanostructures. Then, by selectively addressing one of the LSPRs of a gold antenna, we demonstrate that localized zinc oxide formation at the targeted location of the antenna can be achieved due to the nanoscale confinement of the heat production.

中文翻译：

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等离子辅助水热合成法在金纳米天线上局部生长ZnO。

金属纳米结构中局部表面等离振子共振（LSPR）的激发实现了亚波长光子定位和大电场增强，这可有利地用于在纳米级强烈增强光-质相互作用。为此，需要用于在局部电场的精确位置确定地处理和布置纳米材料的有效方法。在这封信中，我们提出了一种基于水热合成反应的新方法，该方法可以在等离子体纳米天线中局部选择性地合成氧化锌。我们首先证明LSPR在实现金纳米结构的有效加热中的作用。然后，通过有选择地寻址金天线的LSPR之一，