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| 1 | Organic photovoltaic cells:Novel organic semiconducting materials and molecular arrangement engineering显示文摘Organic photovoltaic cells(OPVs) have attracted more and more attention due to its highly potential application to solve the energy crisis considering its advantages,such as low cost and ease of large area production.The power conversion efficiency(PCE) of OPVs has undergone a more than nine-fold increase from ~1.0% by Tang in 1986 to 9.2% in 2010 announced by Mitsubishi Chemical.The major challenges of obtaining high efficiency OPVs are the synthesis of new narrow band gap materials,controlling molecular arrangement,designing novel configuration cells for better photon harvesting in the active layer.In the article,we summarized the recent progress of novel narrow band gap photovoltaic materials and the effective methods to control the morphology of donor and acceptor in the blend films for high performance of OPVs. | WANG ZiXuan ZHANG FuJun WANG Jin XU XiaoWei WANG Jian LIU Yang XU Zheng | 2012 | Chinese Science Bulletin2012，57，32： | 2 |
| 2 | 芴与联噻吩发光共聚物的合成与发光特性显示文摘利用Suzuki偶联反应合成了一种新型聚芴类导电聚合物发光材料:聚9,9二十二烷基芴并3,3′二对偏二氰乙烯基苯基2,7联噻吩(PFC12Th-DCN),表征了该材料的紫外可见吸收光谱、光致发光光谱以及激发光谱。此材料在300-450 nm有很强的吸收,吸收峰位于375 nm。用375 nm的光激发PFC12Th-DCN,其光致发光峰位于625 nm,是一种橙黄色发光材料。制备了结构为ITO/PEDOTPSS/ PFC12Th-DCN/Al的有机电致发光器件。该器件启亮电压为5 V,发光峰为649 nm,色坐标为(0.62, 0.36)。与光致发光光谱相比,该材料的电致发光光谱出现了约25 nm的红移,根据退火实验推断该红移是由PFC12Th-DCN分子聚集态发光引起的。 | 王琎 海杰峰 张福俊 唐卫华 | 2013 | 光学学报2013，33，8： | 0 |
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