Dynamic Crystals: Visually Detected Mechanochemical Changes in the Luminescence of Gold and Other Transition‐Metal Complexes
- 24 March 2009
- journal article
- highlight
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 48 (15), 2641-2644
- https://doi.org/10.1002/anie.200805602
Abstract
Back to the grindstone: Certain crystalline complexes of gold, platinum, and vanadium undergo dramatic changes in their luminescence or their color upon grinding. The picture shows the transformation of colorless crystals of [(F5C6Au)2(μ-1,4-CN2C6H4)] powder from a blue-emitting form (λmax=415 nm) to a yellow/green-emitting form (λmax=533 nm) on grinding with a pestle. The process is reversible.Keywords
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