Journal
COLLOID AND POLYMER SCIENCE
Volume 293, Issue 3, Pages 883-890Publisher
SPRINGER
DOI: 10.1007/s00396-014-3477-4
Keywords
PPV; Stearic acid; Monolayer; Air-water interface; Langmuir-Blodgett films
Categories
Funding
- FAPESP [2013/10213-1]
- CNPq
- nBioNet: Films and Sensors
- INEO (National Institute of Science and Technology for Organic Electronics)
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The molecular architecture of polymeric films can be changed in order to obtain enhanced properties for the fabrication of optoelectronic devices. In this paper, poly(2-chloro-p-phenylenevinylene) was spread on the air-water interface and mixed with stearic acid in order to form stable Langmuir monolayers. These films were transferred from the air-water interface to solid supports as Langmuir-Blodgett (LB) films. The influence of Cl in the polymer chain was investigated with measurements of surface pressure, polarization modulation infrared reflection-absorption spectroscopy (PM-IRRAS), Brewster angle microscopy (BAM), atomic force microscopy (AFM), and fluorescence spectroscopy. The immobilization of this polymer on solid supports as LB films provided a high control of its morphological and luminescence properties, which may be useful tomanipulate structures at the molecular level to be applied as optoelectronic devices.
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