نوع مقاله : گزارش
نویسندگان
1 گروه شیمی - دانشکده علوم - دانشگاه گلستان - گرگان - ایران
2 پژوهشی شیمی و فرایند، پژوهشگاه نیرو، تهران، ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
UV-Vis spectroscopy plays a pivotal role in the characterization of polymer nanocomposites (PMCs) and provides important insights into their optical properties, molecular interactions, and structural integrity. This technique allows the detection of characteristic absorption bands associated with the polymer matrix and embedded nanoparticles, facilitating the identification of electronic transitions such as π→π* and n→π* . In PMCs containing metal or metal oxide nanoparticles, UV-Vis spectroscopy is particularly valuable for observing surface plasmon resonance (SPR) phenomena that reflect the size, shape, and dispersion state of the particles in the polymer. Furthermore, it serves as a non-destructive method to assess nanoparticle-polymer interactions, stability over time, and the success of functionalization or doping processes. By correlating spectral features with compositional and morphological properties, UV-Vis spectroscopy provides a rapid and reliable tool for optimizing PMC formulations for applications in electronics, photonics, catalysis, and biomedical engineering. In this paper, the optical properties of various polymer nanocomposites will be investigated with examples. This paper reveals the importance of UV-Vis spectroscopy in characterizing the properties of polymer nanocomposites containing some light-responsive nanofillers (such as metals, semiconductor nanocrystals, and nanooxides), a method that leads to the development of functional materials with important technological applications.
کلیدواژهها [English]
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