期刊
DYES AND PIGMENTS
卷 92, 期 3, 页码 954-960出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2011.08.013
关键词
Phthalocyanine; Pyrene; Antenna effect; Energy transfer; Fluorescence; Synthesis
资金
- Technical University of Istanbul
Metal-free, zinc (II) and nickel(II) phthalocyanines (3-5) with a 1-pyrenylmethoxy substituent on each benzo group were prepared from 4-(1-pyrenylmethoxy)phthalonitrile (2). The new compounds have been characterized by elemental analyses, IR, UV/vis, mass and H-1 NMR spectroscopy. The electronic spectra exhibit an intense pi-pi* transition of pyrene unit identity together with characteristic Q and B bands of the phthalocyanine core. The energy transfer to phthalocyanine core and radiative decays of the pyrene emission and phthalocyanine core were examined. Energy transfer through methoxy bridges has been confirmed by ultraviolet irradiation of pyrene antenna leading to red light emission in 3 and 4. (C) 2011 Elsevier Ltd. All rights reserved.
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