明胶基水凝胶纳米复合材料中加入的功能化多壁碳纳米管 (f-MWCNT) 的制备与表征

IF 5.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-03-01 DOI:10.1166/jbn.2024.3796

M. Tarawneh, Arkan H. Al Nawafleh, Moaz M. Altarawneh, Hakim AL Garalleh, Abdulkareem Afandi, Louai A. Maghrabi, Ahmed Ali Husein Qwasmeh, Hatem Abdullah Al Ameryeen, Bilal S. Algnamat, Yarub Al-Douri

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引用次数: 0

摘要

本研究采用简单的溶液浇铸法制备了不同f-MWCNT浓度的明胶/功能化多壁碳纳米管（f-MWCNT）纳米复合材料。针对明胶/f-MWCNT 纳米复合材料的每种 f-MWCNT 浓度，在样品表面的五个不同位置测量了介电常数参数。通过绘制虚介电常数与实介电常数的函数关系图，得到了科尔-科尔图。Havriliak-Negami 模型用于获取 alpha 值，因为其形状是一个准倾斜半圆。平均弛豫时间为 τ = 12.6 ps，随着 f-MWCNTs 的添加而基本保持不变。傅立叶变换红外光谱（FTIR）和扫描电子显微镜（SEM）图像显示，碳纳米管与聚合物之间的相互作用增强。

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Preparation and Characterization of Functionalized Multi-Walled Carbon Nanotubes (f-MWCNTs) Incorporated in Gelatin-Based Hydrogel Nanocomposites

This study prepared gelatin/functionalized multi-walled carbon nanotube (f-MWCNT) nanocomposites with different f-MWCNT concentrations using a simple solution casting method. For each f-MWCNT concentration of the gelatin/f-MWCNT nanocomposites, permittivity parameters were measured at five different locations on the sample surface. Cole–Cole graphs were obtained by plotting the imaginary permittivity as a function of the real permittivity. The Havriliak–Negami model was used to obtain the value of alpha, since the shape is a quasi-skewed semicircle. The average relaxation time was τ = 12.6 ps and was roughly constant with the addition of f-MWCNTs. Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) images showed increased interactions between the carbon nanotubes and polymers.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.