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B(C 6 F 5 ) 3 : A Lewis Acid that Brings the Light to the Solid State
Author(s) -
Hansmann Max M.,
LópezAndarias Alicia,
Rettenmeier Eva,
EglerLucas Carolina,
Rominger Frank,
Hashmi A. Stephen K.,
RomeroNieto Carlos
Publication year - 2016
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.201508461
Subject(s) - photoluminescence , adduct , lewis acids and bases , solid state , intermolecular force , luminescence , spectroscopy , chemistry , diffraction , materials science , crystallography , photochemistry , molecule , physics , catalysis , organic chemistry , optoelectronics , optics , quantum mechanics
The straightforward coordination of the Lewis acid B(C 6 F 5 ) 3 to classical, non‐emitting aldehydes results in solid‐state photoluminescence. Variation of the electronic properties of the carbonyl moieties lead to the modulation of the solid‐state emission colors, covering the entire visible spectrum with quantum yields up to 0.64. Steady‐state spectroscopy in combination with X‐ray diffraction analysis and DFT calculations confirm that intermolecular interactions between the Lewis adducts are responsible for the observed luminescence. Alteration of the latter interactions induces, moreover, remarkable solid‐state phenomena such as piezochromism. The versatility and simplicity of our approach facilitate the future development of solid‐state emitting materials.