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超声化学法制备 PbO 纳米棒的双重超声效应研究。

Study of double-using ultrasonic effects on the structure of PbO nanorods fabricated by the sonochemical method.

机构信息

Physics Department, Faculty of Science, Yazd University, Yazd, P.O.Box 89195-714, Iran.

Physics Department, Faculty of Science, Yazd University, Yazd, P.O.Box 89195-714, Iran.

出版信息

Ultrason Sonochem. 2021 Nov;79:105797. doi: 10.1016/j.ultsonch.2021.105797. Epub 2021 Oct 15.

DOI:10.1016/j.ultsonch.2021.105797
PMID:34666237
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8560628/
Abstract

In this study, lead oxide (PbO) nanostructures are fabricated by an ultrasound-assisted sonochemical method, and re-ultrasonic effects on them are investigated. In the synthesis process, lead nitrate powder is used as a precursor, and potassium hydroxide serves as a precipitation agent. The resulting samples are characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), and Fourier transform-infrared spectroscopy (FT-IR). Re-ultrasound is also performed to terminate the growth of the PbO nanorods, stabilize them, and preserve their morphology. According to the XRD results, the re-ultrasonic effect did not change the crystal phases, and the tetragonal and orthorhombic crystal phases were preserved. The effect of the calcination time was investigated too; an increase in it led to a decrease in the irregular nanorods size but an increase in the crystallite size.

摘要

在这项研究中，通过超声辅助声化学方法制备了氧化铅 (PbO) 纳米结构，并研究了再超声对其的影响。在合成过程中，使用硝酸铅粉末作为前体，氢氧化钾作为沉淀剂。使用扫描电子显微镜 (SEM)、X 射线衍射 (XRD)、能谱 (EDX) 和傅里叶变换红外光谱 (FT-IR) 对所得样品进行了表征。再超声用于终止 PbO 纳米棒的生长，稳定它们并保持它们的形态。根据 XRD 结果，再超声效应没有改变晶体相，保留了四方相和正交相。还研究了煅烧时间的影响；随着煅烧时间的增加，不规则纳米棒的尺寸减小，但晶粒度增大。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/efb48b4f378d/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/39247edb5b68/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/2ffd1fbac59b/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/a9c4576df135/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/4629226746ba/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/9f3fb7310365/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/b9023a00da82/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/8c6e5248da43/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/6a4011b7bc96/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/ed8450fe18f6/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/efb48b4f378d/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/39247edb5b68/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/2ffd1fbac59b/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/a9c4576df135/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/4629226746ba/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/9f3fb7310365/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/b9023a00da82/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/8c6e5248da43/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/6a4011b7bc96/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/ed8450fe18f6/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/47d7/8560628/efb48b4f378d/gr9.jpg

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