Synthesis and characterisation of lanthanum complex bis (5-choloro-8hydroxy quinoline) (2-2'bipyridine) lanthanum La(Bpy)(5-Clq)₂
by Rahul Kumar; Ankur Soam; Parag Bhargava
International Journal of Nano and Biomaterials (IJNBM), Vol. 7, No. 1, 2017

Abstract: Lanthanum complex Bis (5-choloro-8hydroxyquinoline) (2-2'bipyridine) lanthanum La(Bpy) (5-Clq)₂ has been synthesised and characterised for its structural, thermal and photoluminescence analysis. Structure analysis of the complex was performed by Fourier transformed infrared spectroscopy (FTIR). Thermal analysis of the lanthanum complex was done by thermal gravimetric analysis (TGA) and complex is stable up to 370°C. Absorption and emission spectra of the complex was measured by UV-visible spectroscopy and photoluminescence spectroscopy, respectively. Solution of this complex in ethanol showed two absorption peaks at 402 and 334 nm, which may be attributed due to (π - π*) transitions. The photoluminescence spectra of La(Bpy)(5-Clq)₂ in ethanol solution showed intense peak at 510 nm.

Online publication date: Wed, 17-Jan-2018

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