한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제18권2호
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  • Pages.711-718
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  • 2017
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  • 1975-4701(pISSN)
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  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
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은 나노입자가 분산된 Honeycomb-patterned 수지 합성에 대한 연구

Study on Synthesis of Honeycomb-patterned Resin Dispersed Silver Nanoparticles

  • 이동창 (공주대학교 화학공학부) ;
  • 이종집 (공주대학교 화학공학부)
  • Lee, Dong Chang (Division of Chemical Engneering, Kongju National University) ;
  • Lee, Jong Jib (Division of Chemical Engneering, Kongju National University)
  • 투고 : 2016.10.07
  • 심사 : 2017.02.03
  • 발행 : 2017.02.28
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초록

Poly(N-vinylcarbazole) (PVK)-cellulose triacetate (CTA) 복합체를 합성하고, 필름에 기공을 형성시킨 뒤, 화학적 환원법을 통해 은 나노입자를 부착하는 것을 연구하였다. PVK-CTA 복합체는 CTA-chloroform 용액에서 iron(III) chloride를 산화제로 사용하여 N-vinylcarbazole을 중합시켜 복합체를 합성하였고, 얻어진 복합체를 습한 환경에서 휘발성용매로 적셔 수증기를 적용하여 macropore가 균일하게 형성된 구조인 Honeycomb-pattern을 형성시켰다. 이후 환원제로 Tetrathiafulvalene (TTF)와 분산제로 polyvinylpyrrolidone (PVP)를 사용하여 화학적 환원법을 이용해 은 나노입자를 Honeycomb-pattern이 형성된 복합체 표면에 부착시켰다. FT-IR과 UV-Vis spectrometer을 이용하여 복합체의 형성여부를 확인하였고, N-vinylcarbazole의 함량을 달리하여 중합한 뒤 복합체의 열 분해도를 측정하였다. Scanning electron microscope (SEM)을 통해 복합체 표면에 형성된 기공의 균일도와 부착된 은 나노입자들의 분산성을 분석하였으며, 환원제, 분산제, 전구체 용액의 농도를 달리하여 은나노입자의 분산성을 확인하였다.

Silver nanoparticles were attached by chemical reduction after synthesizing a porous PVK-CTA complex. The PVK-CTA complex was synthesized by polymerizing N-vinylcarbazole in a CTA-chloroform solution using iron(III) chloride as an oxidizing agent and a honeycomb-pattern with uniformly formed macropores was formed by applying steam to the complex surface soaked with a volatile solvent under humid conditions. Using TTF as a reducing agent and PVP as a dispersant, silver nanoparticles were attached on the Honeycomb-pattern complex surface through chemical reduction. The formation of the complex was confirmed by FT-IR and UV-Vis spectrometry, and the degree of thermal decomposition of the complexes was analyzed after N-vinylcarbazole was polymerized by varying its concentration. The uniformity of the pores on the composite surface and the dispersibility of the attached silver nanoparticles were investigated by SEM. The dispersibility of the silver nanoparticles was also analyzed by varying the concentrations of reducing agent and dispersant and precursor.

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