Novel polystyrene-based nanocomposites by phosphorene dispersion
Elisa Passaglia (1), Francesca Cicogna (1), Giulia Lorenzetti (1),, Stefano Legnaioli (1), Maria Caporali (2), Manuel Serrano-Ruiz (2), Andrea, Ienco (2), Maurizio Peruzzini (2) ((1) Istituto di Chimica dei Composti, Organometallici (CNR-ICCOM)
TL;DR
This study develops polystyrene-based nanocomposites with dispersed phosphorene nanoflakes, demonstrating enhanced thermal and photo-stability due to effective dispersion and synergistic effects of the nanofiller.
Contribution
It introduces a solvent blending method for embedding black phosphorus in polystyrene, with comprehensive characterization showing improved stability and dispersion.
Findings
Enhanced thermal stability of nanocomposites
Improved photo-stability compared to pure polystyrene
Effective dispersion of phosphorene nanoflakes confirmed
Abstract
Polystyrene-based phosphorene nanocomposites were prepared by a solvent blending procedure allowing the embedding of black phosphorus (BP) nanoflakes in the polymer matrix. Raman spectroscopy, X Ray Diffraction and TEM microscopy were employed to characterize the structural and the morphological characteristics of the achieved hybrids, with the aim to evaluate the dispersion level of black phosphorus layers. TGA, DSC analysis as well as thermal oxidation and photo-degradation techniques were employed to investigate the thermal- and the photo-stability of the samples. The collected results evidenced better thermal and photostability of both polymer matrix and dispersed layered phosphorus, suggesting really interesting polymer-nanofiller synergic effects ascribable to the presence and the good dispersion of the 2D-nanomaterial.
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