Bio-synthesis of BiVO4 Nanorods Using Extracts of Callistemon viminalis

被引：0
|
作者：
Mohamed, H. E. A. [1 ,2 ]
Sone, B. T. [1 ,2 ]
Dhlamini, M. S. [1 ,2 ]
Maaza, M. [1 ,2 ]
机构：
[1] Univ South Africa, Coll Grad Studies, UNESCO UNISA Africa Chair Nanosci Nanotechnol, POB 392, Pretoria, South Africa
[2] Natl Res Fdn, iThemba LABS, Nanosci African Network NANOAFNET, 1 Old Faure Rd,Somerset West 7129,POB 722, Somerset, South Africa
来源：
MRS ADVANCES | 2018年 / 3卷 / 42-43期
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.1557/adv.2018.318
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this contribution we report on the synthesis of n-type Bismuth vanadate (BiVO4) nanorods prepared via the use of aqueous extracts of Callistemon viminalis. X-ray diffraction analysis confirmed the formation of highly crystalline monoclinic BiVO4 nanorods post annealing of the Bismuth vanadate precursor powder at 500 degrees C. Scanning Electron Microscopy and High Resolution Transmission Electron Microscopy showed that BiVO4 nanorods have a high aspect ratio. Using UV-Vis absorption measurements the optical band gap of the nanorods is estimated to be 2.4 eV which makes the bio-synthesized BiVO4 powder a good candidate for sunlight driven photocatalysis.
引用
收藏
页码：2479 / 2486
页数：8
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