공업화학 (Applied Chemistry for Engineering)

  • 제29권1호
  • /
  • Pages.77-80
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  • 2018
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  • 1225-0112(pISSN)
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  • 2288-4505(eISSN)
한국공업화학회 (The Korean Society of Industrial and Engineering Chemistry)
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이온성액체 기반 은 나노입자 합성을 위한 통계적 실험 분석

Statistical Analysis for Silver Nanoparticle Synthesis Using Ionic Liquid

  • 이길우 (서울과학기술대학교 화공생명공학과) ;
  • 유계상 (서울과학기술대학교 화공생명공학과)
  • Lee, Kil Woo (Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology) ;
  • Yoo, Kye Sang (Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology)
  • 투고 : 2017.11.02
  • 심사 : 2017.12.04
  • 발행 : 2018.02.10
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초록

이온성액체를 이용하여 다양한 크기를 형성하는 은 나노입자를 합성하였다. 보다 효율적인 연구를 수행하기 위하여 통계적 방법을 이용한 실험과정 및 결과를 분석하였다. 먼저 은 입자 형성에 미치는 실험조건을 규명하기 위하여 5가지 조건, 시간, 온도, NaOH 농도, 환원제 및 이온성액체의 양의 영향을 분석하였다. 결과적으로 시간과 온도가 은 입자형성에 미치는 영향이 미미한 것으로 나타났다. 이후 나머지 3가지 인자에 대한 실험조건을 통계적으로 구성하였다. XRD 분석 결과 모든 조건에서 합성된 입자는 순수한 은 결정구조를 가지고 있었다. 합성된 은 입자의 크기를 결정하기 위하여 HR-SEM을 통해서 분석하였다. 3가지 합성조건에서는 NaOH 농도가 은 입자의 크기를 결정하는데 가장 큰 영향을 미쳤으며 환원제의 농도는 상대적으로 미비하였다. 다양한 크기를 가지는 은 입자의 합성 조건을 NaOH와 이온성액체에 대하여 통계적 방법을 이용하여 표면도와 등고선도를 제시하였다. 또한 3가지 실험조건에 따른 은 입자의 크기를 혼합물법을 이용하여 도출하였다.

Silver nanoparticles with various sizes were synthesized using ionic liquids. In order to conduct more efficient research, experimental methods and results were analyzed statistically. First, effects of five different parameters including the reaction time, temperature, NaOH concentration, reducing agent and ionic liquid amount on the size of silver particles were investigated. As a result, the effects of time and temperature were negligible. The experimental conditions for the other three factors were then statistically constructed. From XRD analyses, the particles synthesized under all conditions had a pure silver crystal structure. Sizes of the synthesized silver particles were also analyzed by HR-SEM. In the three synthetic conditions, NaOH concentration had the greatest influence on determining the size of silver particles and the reducing agent concentration was relatively minute. Synthesis conditions of silver particles with various sizes were presented by using statistical methods with respect to NaOH and ionic liquids. In addition, the sizes of silver particles according to three experimental conditions were derived by the mixture method.

키워드

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