Assessment of Co-sublimation for the Formation of Multicomponent Crystals

The merits of co-sublimation and mechanochemistry as screening techniques for multicomponent crystal formation are compared. Several multicomponent crystals that can be formed both mechanochemically and by sublimation are investigated, allowing for a comparison between the relatively unknown techniq...

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Bibliographic Details
Published in:Crystal growth & design 2020-12, Vol.20 (12), p.7840-7849
Main Authors: Lombard, Jean, Haynes, Delia A, le Roex, Tanya
Format: Article
Language:English
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Summary:The merits of co-sublimation and mechanochemistry as screening techniques for multicomponent crystal formation are compared. Several multicomponent crystals that can be formed both mechanochemically and by sublimation are investigated, allowing for a comparison between the relatively unknown technique of co-sublimation and a well-known, robust solid-state screening methodology. This work aims to determine the general utility and versatility of co-sublimation in the preparation of multicomponent crystals. Co-crystals and salts, as well as their polymorphs, have been investigated, and problems that can arise due to sublimation temperature differences, isomerization, and degradation are discussed. Co-sublimation is shown to be a valuable co-crystallization technique for the discovery and identification of new multicomponent materials.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.0c01148