화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.19, No.6, 589-598, June, 2011
DOI10.1007/s13233-011-0604-7  Export Citation
Di-aryl Substituted Poly(cyclopenta[def]phenanthrene) Derivatives Containing Carbazole and Triphenylamine Units in the Main Chain for Organic Light-Emitting Diodes
Jinwoo Kim, Sun Hee Kim1, Jaehong Kim, Il Kim2, Youngeup Jin3, Joo Hyun Kim3, Han Young Woo4, Kwanghee Lee1, and Hongsuk Suh†
  • Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Korea
  • 1Department of Material Science & Engineering, Gwangju Institute of Science and Technology, Gwangju, 500-712, Korea
  • 2Department of Polymer Science and Engineering, Pusan National University, Busan, 609-735, Korea
  • 3Division of Applied Chemical Engineering, Pukyong National University, Busan, 608-739, Korea
  • 4Department of Nanomaterials Engineering, Pusan National University, Miryang, 627-706, Korea
E-mail:
The syntheses and characterization of poly(2,6-(4,4-bis(4-((2-ethylhexyl)oxy)phenyl)-4H-cyclopenta[def]phenanthrene)-alt-triphenylamine-4,4'-diyl) (TPA-PCPP), poly(2,6-(4,4-bis(4-((2-ethylhexyl)oxy)phenyl)-4H-cyclopenta[def]phenanthrene)-alt-3,6-(9-(2-ethylhexyl)carbazole)) (3,6-Cz-PCPP), poly(2,6-(4,4-bis(4-((2-ethylhexyl)oxy)-phenyl)-4H-cyclopenta[def]phenanthrene)-alt-2,7-(9-(2-ethylhexyl)carbazole)) (2,7-Cz-PCPP), and poly(2,6-(4,4-bis (4-((2-ethylhexyl)oxy)phenyl)-4H-cyclopenta[def]phenanthrene)-co-2,7-(9-(2-ethylhexyl)carbazole)) (2,7-Cz-co-PCPP) are presented. The carbazole and TPA moieties, which can influence the highest occupied molecular orbital (HOMO) energy level, were introduced to the di-aryl substituted PCPP backbone. The PL spectra of the polymer films showed maximum peaks at approximately 417-429 nm. The devices of the 2,7-Cz-co-PCPPs with the configurations of ITO/PEDOT:PSS/polymers/Ca/Al generated EL emissions with maximum peaks at approximately 460 nm, CIE coordinates of (x =0.16, y=0.033-0.038), turn-on voltages of 4-5 V, maximum brightness of 309-337 cd/m2, and luminescence efficiencies of 0.06-0.09 cd/A. The synthesized polymers may be useful for PLED device applications.
Keywords:polymer;photoluminescence;carbazole;triphenylamine;electroluminescence.
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