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Thermoplastic Polymers/Silicon Nanocomposites: Influence of Concentration on Morphological, Optical, and Electrical Properties by K. Kulathuraan; Raja Venkatesan; S. Esakki Muthu; P. Sivaprakash; R. Parameshwari; Ikhyun Kim; Seong-Cheol Kim is a Engineering article available to read on EtoBox.

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The following thermoplastic polymers were used in this study at several concentration (0.50, 0.75, and 1.00%) and were deposited on porous silicon particles (PSi) to use the spin coating method: poly(methylmethacrylate) (PMMA), polyvinylchloride (PVC), poly(vinylpyrrolidone), and polystyrene (PS). The scanning electron microscope (SEM) analysis revealed the average pore size decreases for a few polymers. The introduction of polymers into PSi covers the surface layer with an extremely thin layer of its content, and as its concentration was increased, the average pore size decreases. The polygonal structure of PSi nanoparticles covered in crack-like pore has been noticed. PMMA and PVC polymers that were treated with PSi show higher porosity and exhibit better photoluminescence (at a lower concentration of 0.50%) than PVP. The results of atomic force microscopy (AFM) showed that PMMA and PVC polymers had a limited pore-filling effect. With an increase in polymer concentration, it is found that PL emission intensity decreases.

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Author

K. Kulathuraan; Raja Venkatesan; S. Esakki Muthu; P. Sivaprakash; R. Parameshwari; Ikhyun Kim; Seong-Cheol Kim

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Engineering (Physical Sciences)