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

Beilstein Journal of Nanotechnology

Nadejda Condur¹  Tatyana Gutul¹  Veaceslav Ursaki¹  Emil Rusu¹  Paulina Vlazan²  Evgenii Goncearenco³ 

[1] Institute of Electronic Engineering and Nanotechnologies D. Ghitu, Academy of Sciences of Moldova, 3 Academiei str., Chisinau, MD-2028, Moldova;National Institute of Electrochemistry and Condensed Matter, 144 Dr. A. Paunescu Podeanu str., Timisoara 300569, Romania;State University of Republic of Moldova, 60 Alexe Mateevici str., Chisinau MD-2009, Moldova;

关键词: colloidal solutions;    nanocomposite;    poly(N-vinylpyrrolidone);    sol–gel;    zinc oxide;   

DOI  :  10.3762/bjnano.5.47

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown