Preparation and Gas Sensing Properties of 2,9,16,23-Tetra-Tert-Butyl-29H, 31H- Copper (II) Phthalocyanine LB Thin Films

Si Yu Wang; Jian Hua Xu; Wen Yao Yang; Yan Chen; Ya Jie Yang

doi:10.4028/www.scientific.net/AMR.622-623.679

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623Preparation and Gas Sensing Properties of...

Preparation and Gas Sensing Properties of 2,9,16,23-Tetra-Tert-Butyl-29H, 31H- Copper (II) Phthalocyanine LB Thin Films

Abstract:

A phthalocyanine derivative: 2,9,16,23-tetra-tert-butyl-29H,31H-copper(II) phthalocyanine (CuttbPc) was used as an optical gas sensor based on Langmuir-Blodgett (LB) films. Surface pressure-area per molecule (π–A) isotherms and Brewster Angle Microscopy (BAM) will show the process of the monolayer formation at the air-water interface. The responses of the thin films to various volatile organic compounds (VOCs) were recorded by UV-Vis absorption spectra and the morphological characterization was performed by Atomic Force Microscopy (AFM). The experimental results indicate that highly-ordered and uniform films can be prepared at about 33mN/m with the transfer ratio of 0.7. The results also demonstrated that CuttbPc LB films are promising to be applied into optical gas sensors for VOCs detection and recognition.

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

679-684

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.679

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Online since:

December 2012

Authors:

Si Yu Wang, Jian Hua Xu, Wen Yao Yang, Yan Chen, Ya Jie Yang

Keywords:

Brewster Angle Microscopy, Langmuir-Blodgett Film, Phthalocyanine, UV-VIS Spectroscopy, Volatile Organic Compounds

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