Saeed, Abdu; Al-Buriahi, M. S.; Razvi, M. A. N.; Salah, Numan; Al-Hazmi, Faten E. published an article about the compound: Aluminum triquinolin-8-olate( cas:2085-33-8,SMILESS:[O-]C1=C2N=CC=CC2=CC=C1.[O-]C3=C4N=CC=CC4=CC=C3.[O-]C5=C6N=CC=CC6=CC=C5.[Al+3] ).Application of 2085-33-8. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:2085-33-8) through the article.
The tris (8-hydroxyquinoline) aluminum (Alq3) material has attracted a lot of attention from researchers due to its unique properties for the fabrication of organic light-emitting diode (OLED) and display systems. Herein, the crystal structure’s effects, i.e., meridional (mir) and facial (fac) isomers’ structure on its elec. and dielec. properties, were examined Firstly, mir-Alq3 nanorods powders were prepared using the facile solution method without adding surfactant. Then, fac-Alq3 nanorods powders were prepared by annealing the mir-Alq3 at a temperature of 410°C. The morphol., structural, thermal, and optical properties of the prepared Alq3 samples were investigated. The elec. and dielec. properties were then studied in a temperature range of 20-350°C in the applied elec. frequency range of 500 Hz-4 MHz. The results revealed that mir and fac-Alq3 nanorods powders were obtained with diameters of 81 and 94 nm, resp. The elec. and dielec. results showed that both isomers’ nanorods powders were stable up to the temperature of around 200°C. Besides, the elec. conductivities of mir and fac-Alq3 nanorods powders were found to increase linearly with increase the frequency. Moreover, the mir-Alq3 nanorods powders showed higher elec. conductivity than their counterparts with the fac-Alq3 nanorods powders. In contrast, the fac-Alq3 nanorods powders showed better dielec. constants and dielec. losses properties than those of the mir-Alq3 nanorods powders. Both mir and fac-Alq3 nanorods powders showed decreased dielec. constants and dielec. losses with increased frequency, particularly at the higher temperature The study concluded that the isomer structure’s change could change the elec. and dielec. values without changing the general behavior. These findings could be utilized to improve the fabrication of the Alq3-based OLED.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”