具有亚10纳米分辨率和超灵敏度的针尖增强红外成像
Tip-Enhanced Infrared Imaging with Sub-10 nm Resolution and Hypersensitivity.
作者信息
Li Jian, Jahng Junghoon, Pang Jie, Morrison William, Li Jin, Lee Eun Seong, Xu Jing-Juan, Chen Hong-Yuan, Xia Xing-Hua
机构信息
State Key Lab of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
Center for Nanocharacterization, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea.
出版信息
J Phys Chem Lett. 2020 Mar 5;11(5):1697-1701. doi: 10.1021/acs.jpclett.0c00129. Epub 2020 Feb 17.
Here we demonstrate sub-10 nm spatial resolution sampling of a volume of ∼360 molecules with a strong field enhancement at the sample-tip junction by implementing noble metal substrates (Au, Ag, Pt) in photoinduced force microscopy (PiFM). This technique shows the versatility and robustness of PiFM and is promising for application in interfacial studies with hypersensitivity and super spatial resolution.
在这里，我们通过在光诱导力显微镜（PiFM）中使用贵金属基底（金、银、铂），展示了对约360个分子的体积进行亚10纳米空间分辨率采样，在样品-针尖交界处有很强的场增强。该技术展示了PiFM的多功能性和稳健性，有望应用于具有超灵敏度和超空间分辨率的界面研究。
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