Characterization of PDPA-b-PDMA-b-PDPA triblock copolymer Langmuir-Blodgett films for organic vapor sensing application

This study reports the synthesis, characterization, and gas sensing applications of the PDPA-b-PDMA-b-PDPA triblock copolymer material using NMR, UV-visible spectroscopy, atomic force microscopy (AFM), quartz crystal microbalance (QCM), and Langmuir-Blodgett (LB) thin film deposition techniques. The...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2016-07, Vol.634 (1), p.104-117
Main Authors: Acikbas, Y., Taktak, F., Tuncer, C., Bütün, V., Capan, R., Erdogan, M.
Format: Article
Language:English
Subjects:
Atomic force microscopy
Block copolymers
Copolymers
Deposition
Diffusion
Langmuir-Blodgett films
Microbalances
QCM
Quartz
Sensors
Spectrum analysis
Swelling
Thin films
Volatile organic compounds
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Summary:This study reports the synthesis, characterization, and gas sensing applications of the PDPA-b-PDMA-b-PDPA triblock copolymer material using NMR, UV-visible spectroscopy, atomic force microscopy (AFM), quartz crystal microbalance (QCM), and Langmuir-Blodgett (LB) thin film deposition techniques. The thin film deposition conditions of the copolymer material, which are prepared by LB film technique, are characterized by UV-visible spectroscopy, AFM, and QCM system. In this study, the swelling behaviors of the PDPA-b-PDMA-b-PDPA triblock copolymer Langmuir-Blodgett (LB) films were investigated with respect to volatile organic compounds (VOCs) at room temperature. The sensing responses of the films against VOCs were measured by QCM method. The swelling processes could be investigated using the early-time Fick's law of diffusion.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2016.1177911