Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Effect of Hosts on the Aggregation Behavior of Oxazine 720

Oxazine 720의 응집 현상에 미치는 호스트의 영향

  • Kang, Tae-Wook (Department of Nanomaterial Chemistry, College of Science and Technology, Dongguk University) ;
  • Lee, In-Ja (Department of Nanomaterial Chemistry, College of Science and Technology, Dongguk University)
  • 강태욱 (동국대학교 과학기술대학 나노소재화학과) ;
  • 이인자 (동국대학교 과학기술대학 나노소재화학과)
  • Received : 2006.12.21
  • Accepted : 2007.01.05
  • Published : 2007.02.10

Abstract

The effects of the host on the aggregation behavior of Oxaxine 720 (Ox720) were studied using absorption, fluorescence, and excitation spectra. The host materials used in this study were water, ethanol, and $TiO_2/P123$ nanocomposite. Ox720 aqueous solution contains a significant amount of H-aggregates, which increases with the increase in the concentration. In ethanol solution, Ox720 mainly exists in the monomer form and tiny amount of Ox720 exists in H- and J-aggregate forms. In the $TiO_2/P123$ nanocomposite thin film, the amount of H-aggregates was smaller than that in the aqueous solution but greater than that in the ethanol solution. $TiO_2$ nanocomposite thin film was proven to be a moderately good host for Ox720.

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Acknowledgement

Supported by : 동국대학교

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