Advanced search
Start date
Betweenand
Related content
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Langmuir and Langmuir-Blodgett films of Cl-PPV mixed with stearic acid: implication of the morphology on the surface and spectroscopy properties

Full text
Author(s):
Sakai, Andrei [1] ; Peres, Laura O. [1] ; Caseli, Luciano [1]
Total Authors: 3
Affiliation:
[1] Univ Fed Sao Paulo, Inst Environm Chem & Pharmaceut Sci, Diadema, SP - Brazil
Total Affiliations: 1
Document type: Journal article
Source: COLLOID AND POLYMER SCIENCE; v. 293, n. 3, p. 883-890, MAR 2015.
Web of Science Citations: 1
Abstract

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. (AU)

FAPESP's process: 13/10213-1 - Interaction of bioactive materials in ultrathin films organized in models for biointerfaces models for investigation of molecular recognition processes and associated molecular mechanisms
Grantee:Luciano Caseli
Support Opportunities: Regular Research Grants