Doubly Resonant Plasmonic Hot Spot–Exciton Coupling Enhances Second Harmonic Generation from Au/ZnO Hybrid Porous Nanosponges

• DOI: 10.1021/acsphotonics.9b00791
• Publication Date: 2019-09-24T18:28:28Z
• Authors: Jue-Min Yi; Dong Wang; Felix Schwarz; Jinhui Zhong; Abbas Chimeh; Anke Korte; Jinxin Zhan; Peter Schaaf; Erich Runge; Christoph Lienau
• Keywords: 02 engineering and technology; 0210 nano-technology

We introduce zinc oxide (ZnO) functionalized porous gold nanoparticles that exhibit strong second harmonic (SH) emission due to an efficient coupling of localized surface plasmons to ZnO excitons. ...