Ecofriendly surface modification of cotton fabric to enhance the adhesion of CuO nanoparticles for antibacterial activity

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Technology Pub Date : 2022-11-04 DOI:10.1080/10667857.2022.2141169

S. B. Tharchanaa, T. Anupriyanka, G. Shanmugavelayutham

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引用次数: 2

Abstract

ABSTRACT The present study employs a facile and environmentally cleaner plasma technology to induce adhesion between the cotton fabric and CuO nanoparticles. The oxygen plasma pre-treatment of cotton fabric was performed using DC glow discharge plasma for different plasma treatment times (5, 10 and 15 min) with constant pressure and power. The untreated and plasma treated cotton fabrics were analysed by contact angle, AFM, XPS, XRD, FESEM and elemental mapping analysis. From the AFM results, it is observed that the surface roughness of treated fabric increases with plasma treatment time. XPS analysis reveals that the oxygen plasma treatment introduces oxygen-rich functional groups on the surface which provides the adhesion property of cotton fabric. The 15 min oxygen plasma treated cotton fabric is optimised to coat the CuO nanoparticles based on the AFM and XPS analyses. Furthermore, the CuO nanoparticles coated plasma treated cotton fabric are analysed for antibacterial test and a significant antibacterial activity was identified for gram-positive and gram-negative bacteria. Graphical abstract

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环保型表面改性棉织物，增强CuO纳米颗粒的粘附性，提高抗菌活性

摘要:本研究采用一种简单、环保的等离子体技术诱导棉织物与CuO纳米颗粒之间的粘附。采用直流辉光放电等离子体，在恒压恒功率条件下，对棉织物进行不同等离子体处理时间(5、10、15 min)的氧等离子体预处理。采用接触角、原子力显微镜(AFM)、XPS、XRD、FESEM和元素图分析等方法对未经处理和等离子处理的棉织物进行了分析。AFM结果表明，织物表面粗糙度随等离子体处理时间的延长而增加。XPS分析表明，氧等离子体处理在织物表面引入富氧官能团，使织物具有良好的附着力。根据AFM和XPS分析，优化了15分钟氧等离子体处理棉织物，以覆盖CuO纳米颗粒。此外，对CuO纳米粒子包覆等离子体处理的棉织物进行抗菌测试，发现其对革兰氏阳性和革兰氏阴性细菌具有显著的抗菌活性。图形抽象

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来源期刊

Materials Technology 工程技术-材料科学：综合

CiteScore

6.00

自引率

9.70%

发文量

105

审稿时长

8.7 months

期刊介绍： Materials Technology: Advanced Performance Materials provides an international medium for the communication of progress in the field of functional materials (advanced materials in which composition, structure and surface are functionalised to confer specific, applications-oriented properties). The focus is on materials for biomedical, electronic, photonic and energy applications. Contributions should address the physical, chemical, or engineering sciences that underpin the design and application of these materials. The scientific and engineering aspects may include processing and structural characterisation from the micro- to nanoscale to achieve specific functionality.