氧化石墨烯/聚乙烯醇复合材料的合成及氧化石墨烯对聚乙烯醇纳米纤维直径和孔径影响的研究

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Nano Research Pub Date : 2023-04-17 DOI:10.4028/p-y1y1ln

Zeeshan Abdullah, A. W. Anwar, I. Haq, Zunair Arslan, Asifa Mubashar, S. Ahmad, Abdul Waheed, M. Ajmal, Imrza Imran Aziz Baig

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引用次数: 0

摘要

采用自制的静电纺丝装置，在12.5 kV和12 cm的电压下，在PVA中加入不同浓度的氧化石墨烯(1g/L、0.75g/L和0.5g/L)，制备了PVA /氧化石墨烯复合材料的超细纤维。研究了10% PVA溶液中氧化石墨烯浓度对纤维直径的影响。采用傅里叶变换红外光谱(FTIR)对其官能团进行分析。氧化石墨烯悬浮液的紫外-可见光谱在232 nm处出现吸收峰。利用扫描电子显微镜(SEM)分析了纳米纤维的形貌。采用x射线衍射(XRD)技术分析了该材料的结晶性质。纳米纤维的直径随着结晶度的提高而减小，从而增加了PVA中氧化石墨烯的浓度。

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Synthesis of Graphene Oxide/ Poly(Vinyl Alcohol) Composite and Investigation of Graphene Oxide Effect on Diameter and Pore Size of Poly(Vinyl Alcohol) Nanofibers

The ultrafine fibers of Poly Vinyl Alcohol (PVA) /Graphene Oxide (GO) composite were prepared by using a homemade electrospinning set-up at 12.5 kV and 12 cm with different concentrations of GO (1g/L, 0.75g/L, and 0.5g/L) in PVA. The effect of GO concentrations in 10% PVA solution on the diameter of fibers was investigated. Fourier Transform Infrared (FTIR) Spectroscopy was used to analyze the functional groups. Ultraviolet (UV)-visible spectra of GO suspension showed the absorption peak at 232 nm. The morphology of the nanofibers was analyzed by Scanning Electron Microscopy (SEM). The X-ray diffraction (XRD) technique was used to analyze the crystalline nature of this material. The diameter of nanofibers decreased with improved crystallinity, thus, increasing the concentration of GO in PVA.

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来源期刊

Journal of Nano Research 工程技术-材料科学：综合

CiteScore

2.40

自引率

5.90%

发文量

审稿时长

4 months

期刊介绍： "Journal of Nano Research" (JNanoR) is a multidisciplinary journal, which publishes high quality scientific and engineering papers on all aspects of research in the area of nanoscience and nanotechnologies and wide practical application of achieved results. "Journal of Nano Research" is one of the largest periodicals in the field of nanoscience and nanotechnologies. All papers are peer-reviewed and edited. Authors retain the right to publish an extended and significantly updated version in another periodical.