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Molecular Crystals on the Move: From Single‐Crystal‐to‐Single‐Crystal Photoreactions to Molecular Machinery
Author(s) -
GarciaGaribay Miguel A.
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200702443
Subject(s) - single crystal , materials science , solid state , micrometer , chemical physics , stress (linguistics) , crystal (programming language) , work (physics) , crystallography , nanotechnology , chemistry , optics , physics , thermodynamics , computer science , programming language , linguistics , philosophy
Molecular musclemen : Local stress from organic solid‐state photoreactions may be released in a catastrophic manner, causing single crystals to fragment (see picture, bottom). Alternatively, crystals in topotactic reactions (see picture, top) release the stress by changing size and shape. These mechanical processes may be used to design photoactuators capable of performing work at the nano‐ to micrometer scales.