화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2015년 봄 (04/29 ~ 05/01, BEXCO (부산))
권호 19권 1호
발표분야 고분자_포스터
제목 Composition Tuning of a Mixture of Thienothiophene-based Polymer (PTB7) and PC70BM Using a Gradient Inducer, Tetrabromothiophene (Br-ADD)
초록 A novel additive, tetrabromothiophene (Br-ADD), improves the properties of bulk heterojunction consisting of poly(3-hexylthiophene: [6,6]-phenyl-C60 (P3HT:PC60BM) and a thienothiophene-based polymer: C70-butyric acid methyl ester (PTB7:PC70BM). The hydrophobic Br-ADD selectively interacts with the fused heteroaromatic rings on the polymers, which improves the bulk heterojunction and photovoltaic performances of the resulting polymer solar cells (23.5% for P3HT and 12.3% for PTB7). The interactions between Br-ADD and the polymer and the properties of the bulk heterojunctions are characterized using UV-vis spectroscopy, photoluminescence, atomic force microscopy, secondary ion mass spectroscopy, transmission electron microscopy, and J-V measurements.
저자 편임옥, 박태호, 김관우, 이강영, 문병준, 김태완, 김홍일
소속 포항공과대
키워드 bulk heterojunction; polymer solar cells; tetrabromothiophene
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