The Effect of Acidity and Metal Ions of Subphase on the Characteristic of Monolayer of 2-Hexadecylcarbamoyl-8-hydroxyquinoline

Abstract

Abstract: Anew amphiphilic ligand,2-hexadecylcarbamoyl-8-hydroxyquinoline(HHQ) was synthesized.The characteristics of monolayer of HHQwas investigated on subphases with different acidities and with different metal ions.The difference of the characteristics of HHQmonolayer is dependent on the difference of radii,nuclear charges and the structures of valence shell of metal ions.The 20-laver LBfilms of HHQon each side of the substrate were prepared by spreading a solution of HHQin chloroform,and UV-Vis absorption spectra of the LBfilms were recorded.Transitional metal ions can form complexes with HHQon the air/water interface,but alkali and alkali earth metal ions cannot.

Key words: 2-Hexadecylcarbamoyl-8-hydroxyquinoline, Monolayer, Acidity, Metal ion, LBfilms

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OUYANG Jian-Ming, TAI Zi-Hou, QIAN Xiang-ping, TANG Wen-Xia. The Effect of Acidity and Metal Ions of Subphase on the Characteristic of Monolayer of 2-Hexadecylcarbamoyl-8-hydroxyquinoline[J]. Chem. J. Chinese Universities, 1996, 17(3): 335.

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The Effect of Acidity and Metal Ions of Subphase on the Characteristic of Monolayer of 2-Hexadecylcarbamoyl-8-hydroxyquinoline

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