点击次数：

论文类型：期刊论文

发表刊物：Scientific Reports

所属单位：光电学院，国家光电研究中心

刊物所在地：美国

学科门类：工学

项目来源：自然科学基金

文献类型：J

期号：4

页面范围：6392

关键字：无

DOI码：10.1038/srep06392

发表时间：2014-09-24

摘要：Surface plasmonics from metal nanoparticles have been demonstrated as an effective way of improving the performance of low-efficiency light emitters. However, reducing the inherent losses of the metal nanoparticles remains a challenge. Here we study the enhancement properties by Ag nanoparticles for InGaN/GaN quantum-well structures. By using a thin SiN dielectric layer between Ag and GaN we manage to modify and improve surface plasmon coupling effects and we attribute this to the improved scattering of the nanoparticles at the quantum-well emission wavelength. The results are interpreted using numerical simulations, where absorption and scattering cross-sections are studied for different sized particles on GaN and GaN/SiN substrates.

备注：无

发布期刊链接：https://www.nature.com/articles/srep06392