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- Title
Following a Photoinduced Reconstructive Phase Transformation and its Influence on the Crystal Integrity: Powder Diffraction and Theoretical Study.
- Authors
Runčevski, Tomče; Blanco-Lomas, Marina; Marazzi, Marco; Cejuela, Marcos; Sampedro, Diego; Dinnebier, Robert E.
- Abstract
In the course of solid-state photoreactions, a single crystal (SC) of the reactant can be transformed into an SC of the product or it can lose crystallinity and become amorphous. In-between these two scenarios exist the reconstructive phase transformations, where upon irradiation, the reactant SC becomes a powder or an SC with increased mosaicity. We present a detailed description of reconstructive photodimerization, where the structural changes are directly correlated with the disintegration process. The kinetics of the reaction is explained by two kinetic regimes, forming an autocatalytic autoinhibition photoreaction set with high quantum yield. In addition, the photoreaction pathways were studied theoretically.
- Subjects
CRYSTALS; DIFFRACTION patterns; SINGLE crystals; CRYSTALLINITY; CRYSTAL structure
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 26, p6738
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201402515