Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 14, Pages 6100-6103Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja3007935
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Funding
- Centre National de la Recherche Scientifique (CNRS)
- Royal Saudi Government
- Spanish Government [CTQ2009-09030]
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Red- and blue-absorbing boron dipyrromethene dyes, bearing opposite electronic charges, associate in solution to form a 1:2 complex having a stability constant of ca. 10(17) M-2. The complex can be dismantled by addition of a large excess of tetra-N-butylammonium cations. The same complex displays liquid crystalline properties on heating from rt to above 150 degrees C, as characterized by various experimental techniques. Highly efficient electronic energy transfer from the red to the blue dye occurs in both the initial complex and the subsequent mesomorphic state.
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