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J Hazard Mater

Title:		Hierarchical ZnO nano-spines grown on a carbon fiber seed layer for efficient VOC removal and airborne virus and bacteria inactivation
Author(s):		Kang S; Park DH; Hwang J;
Address:		"School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: smkang0921@yonsei.ac.kr. Korean Institute of Machinery and Materials (KIMM), Department of Environmental Machinery, Daejeon 34103, Republic of Korea. Electronic address: dhoonpark@kimm.re.kr. School of Mechanical Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: hwangjh@yonsei.ac.kr"
Journal Title:		J Hazard Mater
Year:		2022
Volume:		20210920
Issue:		Pt A
Page Number:		127262 -
DOI:		10.1016/j.jhazmat.2021.127262
ISSN/ISBN:		1873-3336 (Electronic) 0304-3894 (Linking)
Abstract:		"Air purification through fiber-based filters has become a fundamental requirement for air contamination control. However, conventional filters depend on polymeric fibrous filters with adequate particulate matter removal ability but fewer degassing and biocidal effects. This study presents the photocatalytic volatile organic compound (VOC) oxidation and antimicrobial properties of zinc oxide (ZnO) nano-spines sprouted activated-carbon nanofibers (I@ZnO/ACNFs) and their potential for air contamination control and infection prevention. By developing a novel technique that can induce phase separation of inorganic salts during electrospinning, nanofibers with zinc (Zn) components concentrated on the surface could be synthesized. I@ZnO/ACNFs exhibit a surface densely covered with high aspect-ratio ZnO nano-spines with significant lethality to airborne pathogens and enhanced photocatalytic activity toward VOCs. Moreover, excellent adhesion stability of ZnO to ACNFs under rapid airflow was observed in I@ZnO/ACNFs. In combination with intriguing antimicrobial activity and strong VOC removal capability derived from their unique morphology, novel I@ZnO/ACNFs hold potential for airborne microbial disinfection, effective and sustainable VOC purification, and the design of photomicrobicidal and photocatalytic materials"
Keywords:		Bacteria Carbon Fiber *Nanofibers *Volatile Organic Compounds *Zinc Oxide Antimicrobial Carbon nanofibers Electrospinning VOCs ZnO;
Notes:		"MedlineKang, Sangmo Park, Dae Hoon Hwang, Jungho eng Research Support, Non-U.S. Gov't Netherlands 2021/09/29 J Hazard Mater. 2022 Feb 15; 424(Pt A):127262. doi: 10.1016/j.jhazmat.2021.127262. Epub 2021 Sep 20"