Effect of temperature and duration of annealing step on the morphology of ZnO nanoparticles

被引：0

作者：

Nguyen, Nguyen Phuc ^{[1
,2
]}

Le, Diep Ngoc ^{[1
,2
]}

Le, Anh Van Thi ^{[1
,2
]}

Vo, Linh Thuy Thi ^{[1
,2
]}

Dang, Chien Mau ^{[1
,2
]}

Le, Ngan Nguyen ^{[1
,2
]}

机构：

[1] Inst Nanotechnol INT, Ho Chi Minh City 700000, Vietnam

[2] Vietnam Natl Univ Ho Chi Minh City VNUHCM, Ho Chi Minh City 700000, Vietnam

来源：

INTERNATIONAL JOURNAL OF NANOTECHNOLOGY | 2024年 / 21卷 / 7-12期

关键词：

zinc oxide nanoparticles; precipitation; annealing; temperature; EXTRACT;

D O I：

10.1504/IJNT.2024.146460

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Zinc oxide nanoparticles (ZnO NPs) represent a nanostructured material with considerable potential for a wide range of applications. In this paper, ZnO NPs were synthesised utilising a precipitation method involving zinc acetate dihydrate (Zn(CH3COO)(2).2H(2)O) and sodium hydroxide (NaOH). After the precipitation reaction, obtaining solid samples were calcined at high temperatures. Two crucial parameters, namely temperature and annealing time, were systematically investigated in this study. The characterisation of ZnO NPs was conducted through the utilisation of field emission scanning electron microscope (FE-SEM) and X-ray diffraction (XRD). The obtained results indicated a significant alteration in both particle morphology and size with variations in temperature and annealing time. The smallest average size and crystallite size of ZnO nanoparticles observed were 45 nm and 25 nm with annealing temperature of 550 degrees C in 2 h respectively.

引用

页码：622 / 636

页数：16

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