Dynamic Imaging of Colloidal-Crystal Nanostructures at 200 Frames per Second | Zendy

Marcel A. Lauterbach | Zendy; Chaitanya K. Ullal | Zendy; Volker Westphal | Zendy; Stefan W. Hell | Zendy

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Dynamic Imaging of Colloidal-Crystal Nanostructures at 200 Frames per Second

Author(s) -

Marcel A. Lauterbach,

Chaitanya K. Ullal,

Volker Westphal,

Stefan W. Hell

Publication year - 2010

Publication title -

langmuir

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.042

H-Index - 333

eISSN - 1520-5827

pISSN - 0743-7463

DOI - 10.1021/la102474p

Subject(s) - sted microscopy , colloidal crystal , microscopy , colloid , materials science , monolayer , resolution (logic) , nanotechnology , nanostructure , diffraction , crystal (programming language) , confocal microscopy , annealing (glass) , optics , chemistry , stimulated emission , physics , laser , artificial intelligence , computer science , composite material , programming language

The dynamic noninvasive imaging of colloidal nanostructures has been precluded by the diffraction-limited resolution of (confocal) light microscopy. Using Fast Stimulated Emission Depletion (STED) microscopy, we demonstrate the ability to resolve the formation of a colloidal crystal (monolayer) from particles of 200 nm size, where the voids in the crystal are as small as 30 nm. With a temporal resolution of 5 ms, we exemplify the technique by visualizing the annealing of potential point defects during the formation of the colloidal crystal.

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