Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Preparation and Antibacterial Properties of the Planar-Type ZnO Powder Coated with Ag or CuO

Ag 또는 CuO를 코팅한 평판형 ZnO 분말의 합성 및 항균성 평가

  • Hong, Da-Hee (Department of advanced Materials Engineering, Korea Polytechnic University) ;
  • Gwack, Ji-Yoo (Department of advanced Materials Engineering, Korea Polytechnic University) ;
  • Jeon, Deock-Seong (Department of advanced Materials Engineering, Korea Polytechnic University) ;
  • Jo, Dong-Hyeon (Energy Business Unit, Duckjin Co.) ;
  • Lee, Gun-Sub (Energy Business Unit, Duckjin Co.) ;
  • Lee, Jung-Hwan (Energy Business Unit, Duckjin Co.) ;
  • Lee, Hee-Chul (Department of advanced Materials Engineering, Korea Polytechnic University)
  • 홍다희 (한국산업기술대학교 신소재공학과) ;
  • 곽지유 (한국산업기술대학교 신소재공학과) ;
  • 전덕성 (한국산업기술대학교 신소재공학과) ;
  • 조동현 ((주)덕진 에너지사업부 연구소) ;
  • 이건섭 ((주)덕진 에너지사업부 연구소) ;
  • 이정환 ((주)덕진 에너지사업부 연구소) ;
  • 이희철 (한국산업기술대학교 신소재공학과)
  • Received : 2021.06.16
  • Accepted : 2021.06.28
  • Published : 2021.06.30
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Abstract

In the present work, planar-type ZnO powder of [0001] plane with a high aspect ratio range of 20:1 to 50:1 was synthesized. Ag or CuO could be coated on the planar-type ZnO powder by wet methods such as centrifugation or ball milling. During the coating, the average size of the powder was slightly increased while maintaining the shape and XRD pattern of ZnO. When Ag or CuO was coated, the absolute value of the zeta potential, as well as the concentration of oxygen vacancy, was increased. Ag or CuO coated planar-type ZnO power exhibited excellent antibacterial performance, which seems to be related to their high electrostatic attraction force. They could be made into a masterbatch by mixing with ABS resin, and their applicability to antibacterial substances was confirmed by manufacturing the caps of a keyboard.

Keywords

Acknowledgement

본 연구는 보건복지부의 재원으로 한국보건산업진흥원(피부과학응용소재·선도기술개발사업 HP20C0227) 그리고 교육부의 재원으로 한국연구재단(NRF)(중점연구소지원사업 No. NRF-2017R1A6A1A03015562)의 지원을 받아 수행한 연구 과제로써 이에 감사드립니다

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