Cai, Qiran; Li, Lu Hua; Yu, Yuanlie; Liu, Yun; Huang, Shaoming; Chen, Ying; Watanabe, Kenji; Taniguchi, Takashi
Atomically thin boron nitride (BN) nanosheets have been found to be excellent substrates for noble metal particles enabled surface enhanced Raman spectroscopy (SERS), thanks to their good adsorption of aromatic molecules, high thermal stability and weak Raman scattering. Faceted gold (Au) nanoparticles have been synthesized on BN nanosheets using a simple but controllable and reproducible sputtering and annealing method. The size and density of the Au particles can be controlled by sputtering...[Show more]
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