한국광학회지 (Korean Journal of Optics and Photonics)

  • 제34권6호
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  • Pages.283-288
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  • 2023
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  • 1225-6285(pISSN)
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  • 2287-321X(eISSN)
한국광학회 (Optical Society of Korea)
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다양한 투명 기판의 3-MPTMS 처리에 의한 은 나노 박막의 광 특성 변화 연구

Fabrication and Optical Properties of (3-mercaptopropyl) Trimethoxysilane (MPTMS)-assisted Silver Nanofilm on Various Substrates

  • Hyunsung Choi (Department of Physics, Incheon National University) ;
  • Seungjun Oh (Department of Physics, Incheon National University) ;
  • Doyeon Kil (Department of Physics, Incheon National University) ;
  • Taewon Goo (Department of Physics, Incheon National University) ;
  • Young-Mi Bahk (Department of Physics, Incheon National University)
  • 투고 : 2023.09.25
  • 심사 : 2023.10.20
  • 발행 : 2023.12.25
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초록

본 연구에서는 quartz, sapphire, slide glass와 같이 투명한 기판 위에 (3-mercaptopropyl) trimethoxysilane (MPTMS)를 처리하고 나노미터 두께로 은을 증착하여 형성된 은 나노 박막의 광학적, 전기적 특성을 탐구한다. 기판의 MPTMS 증착에 따라 각각 5, 7, 9, 13 nm 두께를 갖는 은 나노 박막의 표면 형태 변화를 전자현미경을 통해 확인하고, UV-visible 전자기파 영역의 투과 측정 실험을 통해 금속 나노 박막에서 나타나는 국소 표면 플라즈몬에 의한 흡수 효과가 줄어드는 것을 확인하였다. 이는 MPTMS에 의해 나노미터 두께의 금속 박막이 균일하게 형성된 것을 의미한다. 또한 MPTMS 증착 시간을 30분부터 77시간까지 조절함으로써 UV-visible 투과율과 전기전도도 변화를 측정하여 균일한 금속 나노 박막 형성을 위한 MPTMS의 증착 조건에 대해 탐구한다. 본 연구 결과는 투명 기판 위 균일한 금속 나노 박막 형성에 대한 연구 및 고성능 나노 박막 전극 개발 등과 같은 응용 분야에 도움이 될 것이다.

We investigate the optical and electrical properties of silver nanofilms deposited on transparent substrates such as quartz, sapphire, and slide glass treated with (3-mercaptopropyl) trimethoxysilane (MPTMS). The effect of MPTMS treatment on physical properties is studied through scanning electron microscope (SEM) images, UV-visible transmission, and current-voltage measurements. The SEM images show morphology change of the silver nanofilm, and the UV-visible transmission spectra reveal that the localized surface-plasmon resonance effect is reduced due to the morphology change. These results imply that the uniformity of silver nanofilm is improved by MPTMS treatment for various transparent substrates, resulting in a 100-fold decrease in the electrical resistance of the silver nanofilm.

키워드

과제정보

저자는 Enkhjargal Enkhbayar, 김준호 연구원의 금속 증착 및 전기전도도 측정 실험 지원과 최수봉 연구원의 UV-visible 투과 측정 실험 지원에 감사드립니다.

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