Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
Nano Lett. 2010 Mar 10;10(3):1028-31. doi: 10.1021/nl904254g.
Scanning transmission electron microscope (STEM) images of gold nanoparticles at atmospheric pressure have been recorded through a 0.36 mm thick mixture of CO, O2, and He. This was accomplished using a reaction cell consisting of two electron-transparent silicon nitride membranes. Gold nanoparticles of a full width at half-maximum diameter of 1.0 nm were visible above the background noise, and the achieved edge resolution was 0.4 nm in accordance with calculations of the beam broadening.
在大气压下，通过 0.36 毫米厚的 CO、O2 和 He 混合物记录了金纳米粒子的扫描透射电子显微镜（STEM）图像。这是通过使用由两个电子透明氮化硅膜组成的反应池来实现的。在背景噪声之上可以看到半最大值全宽为 1.0nm 的金纳米粒子，并且根据光束展宽的计算，实现的边缘分辨率为 0.4nm。
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