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氧化锌纳米棒的形态修饰与分析及其光学性质和极化特性

Morphological Modification and Analysis of ZnO Nanorods and Their Optical Properties and Polarization.

作者信息

Mufti Nandang, Maryam Siti, Fibriyanti Anggun A, Kurniawan Robi, Fuad Abdulloh, Taufiq Ahmad

机构信息

Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Jl. Semarang 5, Malang, 65145 East Java, Indonesia.

Centre of Advanced Materials for Renewable Energy, Universitas Negeri Malang, Jl. Semarang 5, Malang, 65145 East Java, Indonesia.

出版信息

Scanning. 2018 Nov 5;2018:6545803. doi: 10.1155/2018/6545803. eCollection 2018.

DOI:10.1155/2018/6545803
PMID:30524643
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6247574/
Abstract

We report on the effect of the morphological modification on optical properties and polarization of ZnO nanorods (NR). Here, the morphology and structure of the ZnO NR were modified by introducing different annealing temperatures. The increase of length and diameter and change in density of the ZnO NR were clearly observed by increasing the annealing temperature. We found that the samples show different oxygen vacancy (V) and zinc interstitial (Zn) concentrations. We suggest that the different concentrations of V and Zn are originated from morphological and structural modification. Our results reveal that optical absorption and polarization of ZnO NR could be enhanced by producing a high concentration of V and Zn. The modification of V and Zn promotes a decrease in the band gap and coexistence of high optical absorption and polarization in our ZnO NR. Our findings would give a broad insight into the morphological modification and characterization technique on ZnO NR. The high optical and polarization characteristics of ZnO NR are potential for developing the high-performance nanogenerator device for multitype energy harvesting.

摘要

我们报道了形态修饰对ZnO纳米棒（NR）光学性质和极化的影响。在此，通过引入不同的退火温度来修饰ZnO NR的形态和结构。通过提高退火温度，可以清楚地观察到ZnO NR的长度和直径增加以及密度变化。我们发现样品显示出不同的氧空位（V）和锌间隙（Zn）浓度。我们认为V和Zn的不同浓度源于形态和结构修饰。我们的结果表明，通过产生高浓度的V和Zn，可以增强ZnO NR的光吸收和极化。V和Zn的修饰促进了带隙的减小以及我们的ZnO NR中高光吸收和极化的共存。我们的发现将为ZnO NR的形态修饰和表征技术提供广泛的见解。ZnO NR的高光和极化特性对于开发用于多类型能量收集的高性能纳米发电机装置具有潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/53bbe61a0a8e/SCANNING2018-6545803.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/53e0d950878f/SCANNING2018-6545803.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/9af81a9bfd60/SCANNING2018-6545803.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/a4fb17d28b7a/SCANNING2018-6545803.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/11c238becbc0/SCANNING2018-6545803.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/228c6b299945/SCANNING2018-6545803.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/1c347f0a96ad/SCANNING2018-6545803.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/53bbe61a0a8e/SCANNING2018-6545803.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/53e0d950878f/SCANNING2018-6545803.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/9af81a9bfd60/SCANNING2018-6545803.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/a4fb17d28b7a/SCANNING2018-6545803.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/11c238becbc0/SCANNING2018-6545803.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/228c6b299945/SCANNING2018-6545803.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/1c347f0a96ad/SCANNING2018-6545803.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aa71/6247574/53bbe61a0a8e/SCANNING2018-6545803.007.jpg

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