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제118회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Carbazole-based color-tunable BODIPY complexes: Synthesis, structure and photophysical properties

등록일
2016년 8월 27일 10시 04분 28초
접수번호
2098
발표코드
ORGN.P-406 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 14일 (금요일) 11:00~12:30
발표형식
포스터
발표분야
유기화학
저자 및
공동저자
이창희*, Ranjan Dutta, Firmansyah DIKHI, 유재덕1
강원대학교 화학과, Korea
1한라대학교 신소재 화학 공학과, Korea

Boron dipyrromethene (BODIPY) and its related BF2 complexes have received considerable attention because of their high molecular coefficients and quantum yield values (ΦF), good thermal- and photo-stability, and versatile functionality. Carbazole derivatives have also been studied as potential electron conductors, catalysts, and sensors. Various substituents could be introduced onto the carbazole moiety and effects of substituent could be examined. However, carbazole-based BODIPY dyes showed extensive fluorescence quenching due to intramolecular charge transfer (ICT). Herein we present the synthesis and photophysical properties of a series of carbazole-based BODIPY complexes. In this approach a carbazole-benzimidazole hybrid is generated by condensation of 1-carbazolecarboxaldehyde with 1,2-phenylene diamine moiety. A series of such compounds having benzimidazole groups with various electron withdrawing substituents are synthesized and characterized. Boron complexation of the resulting dipyrrin affords the carbazole-based BODIPYs. These compounds are highly fluorescent both in solution and solid state. Detailed UV-Vis and fluorescence properties and effects of substituents on photophysical properties are examined.


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