Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Improve H2S Gas Sensing Characteristics through SnO2 Microparticle Surface Modification and Ti Nanoparticle Decoration using Tip Sonication

Tip sonication을 이용한 SnO2 마이크로 입자 표면 개질 및 Ti 나노 입자 장식을 통한 H2S 가스 감지 특성 향상

  • Ji Yeon Shin (School of Advanced Science and Technology Convergence, Kyungpook National University) ;
  • Chan Gyu Kim (Department of Nano & Advanced Materials Science and Engineering, Kyungpook National University) ;
  • Ji Myeong Park (Department of Nano & Advanced Materials Science and Engineering, Kyungpook National University) ;
  • Hong Nhung Le (Department of Materials Science and Engineering, Kangwon National University) ;
  • Jeong Yun Hwang (Department of Materials Science and Engineering, Yonsei University) ;
  • Myung Sik Choi (School of Advanced Science and Technology Convergence, Kyungpook National University)
  • 신지연 (경북대학교 미래과학기술융합학부) ;
  • 김찬규 (경북대학교 나노신소재공학과) ;
  • 박지명 (경북대학교 나노신소재공학과) ;
  • 홍능레 (강원대학교 신소재공학과) ;
  • 황정윤 (연세대학교 신소재공학과) ;
  • 최명식 (경북대학교 미래과학기술융합학부)
  • Received : 2024.03.05
  • Accepted : 2024.03.25
  • Published : 2024.03.31
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Abstract

In this study, the H2S gas sensing characteristics were evaluated using surface-modified SnO2 microparticles by tip sonication. The surface-modified SnO2 microparticles were synthesized using the following sequential process. First, bare SnO2 microparticles were synthesized via a hydrothermal method. Then, the surfaces of bare SnO2 microparticles were modified with Ti nanoparticles during tip sonication. The sensing characteristics of SnO2 microparticles modified with Ti were systematically investigated in the range of 100-300℃, compared with the bare SnO2 microparticles. In this study, we discuss in detail the improved H2S sensing characteristics of SnO2 microparticles via Ti nanoparticle modification.

Keywords

Acknowledgement

이 논문은 2021학년도 경북대학교 신임교수 정착연구비에 의하여 연구되었음.

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