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

被引：62
|
作者：
Gutul, Tatyana [1 ]
Rusu, Emil [1 ]
Condur, Nadejda [1 ]
Ursaki, Veaceslav [1 ]
Goncearenco, Evgenii [2 ]
Vlazan, Paulina [3 ]
机构：
[1] Moldavian Acad Sci, Inst Elect Engn & Nanotechnol D Ghitu, Kishinev 2028, MD, Moldova
[2] State Univ Republ Moldova, Kishinev 2009, MD, Moldova
[3] Natl Inst Electrochem & Condensed Matter, Timisoara, Romania
来源：
BEILSTEIN JOURNAL OF NANOTECHNOLOGY | 2014年 / 5卷
关键词：
colloidal solutions; nanocomposite; poly(N-vinylpyrrolidone); sol-gel; zinc oxide; OPTICAL-PROPERTIES; QUANTUM DOTS; PROPERTY; ROUTE; FILMS;
D O I：
10.3762/bjnano.5.47
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
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.
引用
收藏
页码：402 / 406
页数：5
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