Preparation of Rare-Earth (Nd, Pr) (Ⅲ) Bisphthalocyanine Derivatives and NH3-Sensibility of Their LB Films

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (12): 1750.

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Preparation of Rare-Earth (Nd, Pr) (Ⅲ) Bisphthalocyanine Derivatives and NH₃-Sensibility of Their LB Films

ZHANG Yin, CHEN Wen-Qi, SHEN Qi, LIANG Bing-Jie

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun, 130022

Received:1993-12-20 Revised:1994-07-05 Online:1994-12-24 Published:1994-12-24

Abstract

Abstract: In this paper, Nd(Ⅲ) -octa-4-(tetrahydrofurfuroxy) phthalocyanine (A), Nd(Ⅲ)-octa-4-(β-naphthoxy)phthalocyanine (B), Nd(Ⅲ)-octa-4-(2, 4-di-t-pentylphenoxy) phthalocyanine (C) and Pr(Ⅲ)-octa-4-(2, 4-di-t-pentylphenoxy) phthalocyanine(D) were synthesized and characterized by elementary analysis, IR, ¹H NMR, UV-Vis spectra. It is indicated that most of them were monomeric molecules in CHCl₃ solution. The thermostability order was B >C～D>A. Four kinds of compounds have good film-forming ability.The LBfilms of ADdeposited on gold comb electrode by the LBtechniques according to the Z-type. The gassensibility of LBfilms was determined. The results showed that the films have good sensibility and selectivity for the vapor of NH₃. And then the Nd(Ⅲ)-octa-4-(tetrahydrofurfuroxy) phthalocyanine(A) has the best gas-sensibility for the vapor of NH₃ comparable with copper (Ⅱ) phthalocyanine.

Key words: Rare-earth bisphthalocyanine derivatives, Thermal analysis, LB-film, Gas-sen-sibility, Synthesis

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ZHANG Yin, CHEN Wen-Qi, SHEN Qi, LIANG Bing-Jie. Preparation of Rare-Earth (Nd, Pr) (Ⅲ) Bisphthalocyanine Derivatives and NH₃-Sensibility of Their LB Films[J]. Chem. J. Chinese Universities, 1994, 15(12): 1750.

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Preparation of Rare-Earth (Nd, Pr) (Ⅲ) Bisphthalocyanine Derivatives and NH₃-Sensibility of Their LB Films

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