Journal
NANO LETTERS
Volume 13, Issue 12, Pages 6028-6032Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl403247x
Keywords
Shape-controlled synthesis; size distribution; coherent diffraction imaging; X-ray free-electron laser
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Funding
- X-ray Free Electron Laser Priority Strategy Program
- Ministry of Education, Culture, Sports, Science, and Technology [25709057, 25.2959]
- Grants-in-Aid for Scientific Research [25891033, 25709057, 24654140] Funding Source: KAKEN
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We report the first demonstration of the coherent diffraction imaging analysis of nanoparticles using focused hard X-ray free-electron laser pulses, allowing us to analyze the size distribution of particles as well as the electron density projection of individual particles. We measured 1000 single-shot coherent X-ray diffraction patterns of shape-controlled Ag nanocubes and Au/Ag nanoboxes and estimated the edge length from the speckle size of the coherent diffraction patterns. We then reconstructed the two-dimensional electron density projection with sub-10 nm resolution from selected coherent diffraction patterns. This method enables the simultaneous analysis of the size distribution of synthesized nanoparticles and the structures of particles at nanoscale resolution to address correlations between individual structures of components and the statistical properties in heterogeneous systems such as nanoparticles and cells.
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