Switching of a Single Boryl Center in π-Conjugated Photochromic Polyboryl Compounds and Its Impact on Fluorescence Quenching†
Dr. Chul Baik
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorStephen K. Murphy
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorProf. Dr. Suning Wang
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorDr. Chul Baik
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorStephen K. Murphy
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorProf. Dr. Suning Wang
Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6 (Canada), Fax: (+1) 613-533-6669
Search for more papers by this authorThis work was supported financially by the Natural Sciences and Engineering Research Council of Canada. We thank Zachary M. Hudson for help in the preparation of this manuscript.
Graphical Abstract
All for one and one for all: Molecules with multiple conjugated photochromic boryl units undergo photoisomerization on a single boryl unit only. This single boryl switching causes fluorescence quenching of the entire molecule, which is greatly amplified with increasing numbers of switchable boryl units in the molecule.
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