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Fluorescence and photon transmission techniques for studying film formation from PS/GO nanocomposites

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Date
2020
Author
M. Selin, Sunay
Şaziye, Uğur
Onder, Pekcan
Abstract
Steady-state fluorescence and UV-Vis techniques were used to study the film formation behavior of composites consisting of pyrene (P)-labeled polystyrene (PS) latex and graphene oxide (GO) in terms of PS latex/GO volume fraction. PS/GO composite films were prepared on glass substrates with different volume fractions of PS and GO using the drop casting method at room temperature. The film formation behavior of these composites was studied by annealing them at a temperature range of 100-300 degrees C and monitoring the scattered light intensity (I-sc), fluorescence intensity (I-P) from P and transmitted light intensity (I-tr) through the films after each annealing step. The optical results indicate that PS/GO composites showed complete film formation independent of GO volume fraction. The morphological changes in the films were also found to be in consistent with these results.

Source

POLYMER BULLETIN

Issue

6

Volume

77

Pages

3061-3077

URI

https://doi.org/10.1007/s00289-019-02897-7
https://hdl.handle.net/20.500.12469/2861

Collections

  • Araştırma Çıktıları / Scopus [1319]
  • Araştırma Çıktıları / WOS [1335]
  • Biyoinformatik ve Genetik / Bioinformatics and Genetics [212]

Keywords

ENERGY-TRANSFER
INTERDIFFUSION PROCESSES
POLYSTYRENE PARTICLES
POLYMER DIFFUSION
MOLECULAR-WEIGHT
SURFACTANT-FREE
VOID CLOSURE
LATEX FILMS
GRAPHENE
COALESCENCE

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