Preparation of poly(N-vinylpyrrolidone)-stabilized zno colloid nanoparticles

Gutsul Tatiana; Rusu Emil; Condur Nadejda; Ursachi Veaceslav; Goncearenco Evghenii; Vlazan Paulina

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GUTSUL, Tatiana, RUSU, Emil, CONDUR, Nadejda, URSACHI, Veaceslav, GONCEARENCO, Evghenii, VLAZAN, Paulina. Preparation of poly(N-vinylpyrrolidone)-stabilized zno colloid nanoparticles. In: Beilstein Journal of Nanotechnology, 2014, vol. 5, pp. 402-406. ISSN 2190-4286. DOI: https://doi.org/10.3762/bjnano.5.47

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Beilstein Journal of Nanotechnology

Volumul 5 / 2014 / ISSN 2190-4286

Preparation of poly(N-vinylpyrrolidone)-stabilized zno colloid nanoparticles

DOI:https://doi.org/10.3762/bjnano.5.47

Pag. 402-406

Gutsul Tatiana¹, Rusu Emil¹, Condur Nadejda¹, Ursachi Veaceslav¹, Goncearenco Evghenii², Vlazan Paulina³

¹ Institute of Electronic Engineering and Industrial Technologies, Academy of Sciences of Moldova,
² Moldova State University,
³ National Institute of Research and Development for Electrochemistry and Condensed Matter

Disponibil în IBN: 8 septembrie 2023

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Rezumat

We propose a method for the synthesis of a colloidal ZnO solution with poly(N-vinylpyrrolidone) (PVP) as stabilizer. Stable colloidal solutions with good luminescence properties are obtained by using PVP as stabilizer in the synthesis of ZnO nanoparticles by a sol-gel method assisted by ultrasound. Nanoparticles with sizes of 30-40 nm in a PVP matrix are produced as a solid product. The colloidal ZnO/PVP/methanol solution, apart from the most intense PL band at 356 nm coming from the PVP, exhibits a strong PL band at 376 nm (3.30 eV) which corresponds to the emission of the free exciton recombination in ZnO nanoparticles.

Cuvinte-cheie
colloidal solutions, nanocomposite, Poly(N-vinylpyrrolidone), sol-gel, zinc oxide