Quantizing single-molecule surface-enhanced Raman scattering with DNA origami metamolecules

著者: Weina Fang, Sisi Jia, Jie Chao, Liqian Wang, Liqian Wang, Xiaoyang Duan, Huajie Liu, Qian Li, Xiaolei Zuo, Lihua Wang, Lihua Wang, Lianhui Wang, Lianhui Wang, Na Liu, Chunhai Fan - Science Advances 2019 被引用: 183

-tuple docking sites of super-origami DNA frameworks. A tetrameric nanocluster with four spatially organized 80-nm L-AuNPs exhibits peak-and-dip Fano characteristics. The drastic enhancement at the wavelength of the Fano minimum allows the collection of prominent SERS spectrum for even a single dye molecule. We expect that DMFR provides physical insights into single-molecule SERS and opens new opportunities for developing plasmonic nanodevices for ultrasensitive sensing, nanocircuits, and nanophotonic lasers.