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- 저자 : Sumeyye Diler (검색결과 1 건)
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Halil I. Akyildiz,Busra Aydemir Yilmaz,Sumeyye Diler 한국섬유공학회 2022 Fibers and polymers Vol.23 No.10
Atomic layer deposition is a low-temperature conformal thin film formation technique that can modify materials tocreate functional surfaces. In this study, ALD coatings onto fibrous structures were used to synthesize the Ag nanoparticleson the fibers, which can be used for a wide variety of applications. During the treatment, cotton fibers were coated with20 nm thick ZnO films via ALD, and Ag nanoparticles were deposited on top using a photochemical approach. As thesamples were analyzed with FESEM images, the ZnO film coatings were found conformal and crystalline with evident grainson the fiber surfaces. After the photodeposition process, the Ag particles were also grown conformal on ALD films withflake-like morphology. XRD analysis showed ZnO and Ag crystalline peaks were visible for the corresponding samples. XPSanalysis showed Ag deposition onto untreated cotton is due to ionic interactions whereas the presence of ZnO enablesmetallic nanoparticles formation. Antibacterial activity of the coating materials was tested using ISO 20645 and AATCC 100standards, indicating that a high amount of silver present on the surface of the fibers created an uninhabitable environment forthe S. aureus and E. coli bacteria.
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