화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2012년 봄 (04/12 ~ 04/13, 대전컨벤션센터)
권호 37권 1호
발표분야 대학원생 구두발표
제목 Synthesis and Characterization of Conjugated Polymers Containing Low-Bandgap Arylenevinylene Units
초록 Arylenevinylene based bis(arylhalide) monomers were synthesized as low band gap electron accepting blocks, and were copolymerization with 2,7-fluorene or 2,7-carbazole diboronic esters as electron donating blocks using Suzuki coupling polymerization. The optical band gap energies of the polymers were measured from their absorption onsets to be 1.91-2.18 eV depending on the polymer structure. Bulk hetero-junction photovoltaic devices were fabricated using the synthesized polymers as the electron donors and [6,6]-phenyl C71-butylic acid methyl ester (PC70BM) as the electron acceptor. One of these devices showed a high power conversion efficiency of 3.22 %, with an open-circuit voltage of 0.74V, a short-circuit current of 10.60 mA/cm2, and a fill factor of 0.41 under AM 1.5 G illumination conditions (100mW/cm2)
저자 김지훈1, 김희운1, 신원석2, 윤성철2, 문상진2, 황도훈1
소속 1부산대, 2한국화학(연)
키워드 photovoltaic cells; Arylenevinylene; low-bandgap
E-Mail