Studies of a colorimetric array consisted of metalloporphrins and Pt complexes

Jing Luo; Tengshuang Ma; Lu Li; Pinghua Pan; Jianhua Xu; Yadong Jiang; Yajie Yang

doi:10.1117/12.866608

22 October 2010 Studies of a colorimetric array consisted of metalloporphrins and Pt complexes

Jing Luo, Tengshuang Ma, Lu Li, Pinghua Pan, Jianhua Xu, Yadong Jiang, Yajie Yang

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76584V (2010) https://doi.org/10.1117/12.866608
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

We have studied the absorption of volatile organic compounds (VOCs) and vapochromic characterization by a colorimetric array based on metalloporphyrins and Pt complexes: ZnTPP, CuTPP, and [Pt(Me₂bizmpy)Cl]Cl (TPP=tetraphenylporphrins; Me₂bzimpy=2,6-bis(N-methylbenzimidazol-2-yl)pyridine). The array was exposed to pyridine, tetrahydrofuran, ethyl acetate, methanol and acetonitrile. The experimental results demonstrate that the Pt complexes are sensitive to methanol and acetonitrile, while ZnTPP and CuTPP present an obvious response to pyridine, tetrahydrofuran and ethyl acetate. The response behaviors are reversible and rapid within seconds. The changes of Ultra Violet Visible (UV-visible) absorption spectrums of ZnTPP and CuTPP LB films before and after exposure upon the VOCs are also discussed. In addition, the differences of absorption spectrum of Pt complexes dissolved in several solvents are mentioned. The results show that [Pt(Me₂bizmpy)Cl]Cl, CuTPP and ZnTPP exhibit reversible changes of action with VOCs, and they show promising future to be used in Smell-Seeing Electronic Nose to identify VOCs.

Citation Download Citation

Jing Luo, Tengshuang Ma, Lu Li, Pinghua Pan, Jianhua Xu, Yadong Jiang, and Yajie Yang "Studies of a colorimetric array consisted of metalloporphrins and Pt complexes", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76584V (22 October 2010); https://doi.org/10.1117/12.866608

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