Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Synthesis of N-Alkylcarbazole-3-Vinylene-2-Methyl-4-Dicyanomethylene-4H-Pyran

적색발광재료용 N-알킬카르바졸-3-비닐렌-2-메틸-4-디시아노메틸렌-4H-피란의 합성

  • Chung, Pyung Jin (Department of Materials Science and Engineering, Dankook University) ;
  • Sung, Jin Hee (Department of Materials Science and Engineering, Dankook University)
  • 정평진 (단국대학교 신소재공학과) ;
  • 성진희 (단국대학교 신소재공학과)
  • Received : 2008.09.04
  • Accepted : 2008.12.17
  • Published : 2009.02.10
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Abstract

N-Alkylcarbazole-3-vinylene-2-methyl-4-dicyanomethylene-4H-pyran derivatives were synthesized by dehydration, $S_N2$, Vilsmeier, and Knoevenagel condensation. They are red-emitting materials for organic light emitting device (OLED) composed of electron donor of N-alkylcabazole-3-vinylene groups and electron acceptor of 2-methyl-4-dicyanomethylene-4H-pyran groups by a conjugated structure. The structural properties of reaction products were analyzed FT-IR and $^1H-NMR$ spectroscopy. The thermal stabilities and reactivities were measured by melting points and yields. The UV-visibles and PL properties can be determined by exitation spectra and emission spectra, respectively.

본 연구는 유기발광디바이스(OLED)용 적색형광물질인 N-알킬카르바졸-3-비닐렌-2-메틸-4-디시아노메틸렌-4H-피란의 합성에 관한 것으로서 유도체들은 탈수축합, $S_N2$, Vilsmeier, 그리고 Knoevenagel축합반응에 의하여 합성되었다. 이들은 전자공여성의 N-알킬카르바졸-3-비닐렌기와 전자흡인성의 2-메틸-4-디시아노메틸렌-4H-피란의 공액구조를 가지고있다. 합성한 물질은 각각 FT-IR, $^1H-NMR$ 등을 통하여 그의 구조적 특성을 확인하였고, 융점, 수득률을 통하여 열적 안정성, 반응성 등을 확인하였으며, 여기 발광스펙트럼으로부터 이 형광재료들의 광학적 특성을 확인하였다.

Keywords

References

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