Monophthalocyanine complexes of samarium and terbium with axial ligands: synthesis, structure and optoelectronic properties

The monophthalocyanine complexes of samarium and terbium containing axial 2-mercaptobenzothiazole (PcSm(MBT) (1)), 2-(2-benzoxazol-2-yl) phenolate (PcTb(OON) (2)) or 2-(2-benzothiazol-2-yl)phenolate (PcTb(SON) (3)) ligands were synthesized and identified by elemental, LDI-TOF and X-ray (for 1) analy...

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Bibliographic Details
Published in:Journal of rare earths 2014-12, Vol.32 (12), p.1101-1108
Main Authors: Maleev, Alexander A., Pushkarev, Anatoly P., Ilichev, Vasily A., Lopatin, Mikhail A., Samsonov, Maxim A., Fukin, Georgy K., Pakhomov, Georgy L., Travkin, Vladislav V., Grishin, Ivan D., Bochkarev, Mikhail N.
Format: Article
Language:English
Subjects:
Band spectra
Bands
Buckminsterfullerene
Fullerenes
Ligands
luminescence
OLED
photovoltaic
Photovoltaic cells
phthalocyanine
Rare earth metals
rare earths
samarium
Solar cells
Terbium
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Summary:The monophthalocyanine complexes of samarium and terbium containing axial 2-mercaptobenzothiazole (PcSm(MBT) (1)), 2-(2-benzoxazol-2-yl) phenolate (PcTb(OON) (2)) or 2-(2-benzothiazol-2-yl)phenolate (PcTb(SON) (3)) ligands were synthesized and identified by elemental, LDI-TOF and X-ray (for 1) analysis. Photoluminescence (PL) and electroluminescence (EL) spectra of the compounds contained only emission bands of phthalocyanine and axial ligands but did not contain the bands of f-f transitions. It was found that among the complexes 1, 2, 3 the latter had highest photoconductivity (~10−7 S/cm) and photovoltaic properties. An organic photovoltaic device (OPV) of configuration of ITO/3/C60/Alq3/Al revealed open-circuit voltage (VOC) of 0.24 V and short current density (ISC) of 0.3 μA/cm2 under illumination by a xenon lamp at 17 mW/cm2. [Display omitted]
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(14)60189-7