Synthesis of rod -like ZnO nanostructure: Study of its physical properties and visible -light driven photocatalytic activity

被引：19
作者：
Shimpi, N. T. [1 ]
Rane, Y. N. [2 ]
Shende, D. A. [2 ]
Gosavi, S. R. [2 ]
Ahirrao, P. B. [3 ]
机构：
[1] RSSP Mandals Nanasaheb Yashvantrao Narayanrao Cha, Dept Phys, Chalisgaon 424101, MS, India
[2] CHC Arts SGP Commerce & BBJP Sci Coll, Mat Res Lab, Nandurbar 425413, MS, India
[3] SVSs Dadasaheb Rawal Coll, Dondaicha 425408, MS, India
来源：
OPTIK | 2020年 / 217卷
关键词：
TIO2; THIN-FILM; NANORODS; DYE; PHOTODETECTOR; TEMPERATURE;
D O I：
10.1016/j.ijleo.2020.164916
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Visible-light driven photocatalytic activity of nanostructured ZnO thin films synthesized by a simple and low cost chemical bath deposition method is presented here. The ZnO nanorods synthesized were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and optical measurement techniques. XRD diffraction patterns of chemically synthesized ZnO thin films shows only the diffraction peaks from hexagonal crystal structure. The FESEM image shows formation of disoriented solid rods with hexagonal cross-section of about 0.38 μm in diameter and 1.7 μm in length. The optical study reveals that the absorption edge for nanostructured ZnO films with rod-like morphology shifts to longer wavelength compared to ZnO films with flower-like morphology, indicating narrow band gap for nanostructured ZnO films with rod-like morphology. The photocatalytic activity of the nanostructured ZnO films with rod-like morphology was found to be better as compared to that of ZnO films with flower-like morphology towards degradation of non-biodegradable IC dye. © 2020 Elsevier GmbH
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页数：8
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