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Cover Feature: Green‐, Red‐, and Infrared‐Emitting Polymorphs of Sterically Hindered Push–Pull Substituted Stilbenes (Chem. Eur. J. 13/2021)
Author(s) -
Pauk Karel,
Luňák Stanislav,
Růžička Aleš,
Marková Aneta,
Mausová Anna,
Kratochvíl Matouš,
Melánová Klára,
Weiter Martin,
Imramovský Aleš,
Vala Martin
Publication year - 2021
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202005274
Subject(s) - steric effects , infrared , monomer , recrystallization (geology) , fluorescence , chemistry , excimer , photochemistry , crystallography , stereochemistry , optics , organic chemistry , physics , biology , polymer , paleontology
Recrystallization of the first polymorph gave rise to a second polymorph, accompanied by a dramatic increase of fluorescence intensity from moderate (5%) red monomer‐type to intense (32%) infrared excimer‐type. More information can be found in the Full Paper by M. Vala et al. on page 4341.