The Nile Red dye, H(NR), forms cyclometalated R-2-disubstituted-acetylacetonato square planar Pd(II) complexes (1-3; R = CH3, CF3, C6H5 respectively) whose photophysical properties were tested in cyclohexane, dichloromethane or methanol solutions. In cyclohexane 1-3 emit in the range 580-650 nm with a quantum yield ranging from 0.12 (R = CH3) to 0.50 (R = CF3) and lifetimes between 0.88 and 4.46 ns. These complexes form a new family of notably efficient red emitting organometallic dyes which Could be of interest for practical applications. (C) 2004 Elsevier B.V. All rights reserved.
Organometallic Emitting Dyes: Palladium(II) Nile Red Complexes
M. La Deda;M. Ghedini;I. Aiello;T. Pugliese;G. Accorsi
2005-01-01
Abstract
The Nile Red dye, H(NR), forms cyclometalated R-2-disubstituted-acetylacetonato square planar Pd(II) complexes (1-3; R = CH3, CF3, C6H5 respectively) whose photophysical properties were tested in cyclohexane, dichloromethane or methanol solutions. In cyclohexane 1-3 emit in the range 580-650 nm with a quantum yield ranging from 0.12 (R = CH3) to 0.50 (R = CF3) and lifetimes between 0.88 and 4.46 ns. These complexes form a new family of notably efficient red emitting organometallic dyes which Could be of interest for practical applications. (C) 2004 Elsevier B.V. All rights reserved.File in questo prodotto:
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