Antagonistic Effects of Distance and Overlap toward Anomalous Pressure-Induced Blueshift of π-π Excimer Fluorescence in 9-(2,2-Diphenylvinyl)anthracene Crystals.
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DOI: 10.1021/jacs.4c16582
Abstract: Piezochromic materials usually exhibit a gradual redshift of emission as pressure increases due to the formation of a low-energy "dark" state, e.g., excimer. However, our study presents an anomalous excimer-based pressure-induced emission blueshift. A crystal… read more here.
Keywords: pressure; pressure induced; excimer fluorescence; emission ... See more keywords
A comparative investigation on excimer fluorescence toward its bright future
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DOI: 10.1039/d4sc08001g
Abstract: Must excimers quench fluorescence? This study aims to clarify the misconception that excimers are defective species with weak fluorescence. For this purpose, we utilized a rigid xanthene template to connect anthracene units for constructing an… read more here.
Keywords: efficiency; intra excimer; fluorescence; excimer fluorescence ... See more keywords