有机光伏材料

有机光伏材料与器件研究的新进展

Recent Progress in Organic Photovoltaic Materials and Devices

但是有机光伏材料的溶解性差、对光的吸收效率低，制约了其在太阳能电池中的应用。

However , poor solubility and low light absorption efficiency of organic photovoltaic materials limit the applications in solar cells .

在有机光伏材料选择中，尽管聚合物取得了较高的光电转化效率，但是有机小分子材料具有结构单一、重复性好、易于提纯等优势，成为研究的热点。

In the selection of organic photovoltaic materials , despite that polymers achieve high power conversion efficiency , researchers recently focus on small molecular materials for their simple structure , well reproduction , facile purification , and so forth .

本论文合成了三种以DPP为中心的有机小分子光伏材料，并且结合理论计算对三种材料的光物理与电化学性能进行了测试。

In this article , we have synthesized three small molecule photovoltaic materials based on DPP .

基于3,6-咔唑D单元的有机小分子光伏材料C8具有更好的光伏性能，它与PCBM共混的本体异质结太阳能电池的能量转换效率为0.38%。

The C8 with 3,6-carbazole group presented better photovoltaic performance . The PCE of the BHJ organic solar cells based on a blend of the C8 and PCBM was 0.38 % . 3 .

以苯并噻二唑为A单元，以芴和咔唑为D单元的A-D-A型有机小分子光伏材料C7-C10，同样具有良好的热稳定性能，以及相似的紫外吸收光谱和光致发光光谱。

The organic photovoltaic electron-donor materials of C7-C10 with an A-D-A structure , which contain two acceptor units of benzothiadiazole and a donor unit of fluorene or carbazole , also exhibited excellent thermal stability , as well as similar UV absorption and PL spectra .

将富勒烯与聚噻吩通过共价键连接在一起，可解决它们的共混膜中的相分离问题，有望提高器件效率，是未来有机和聚合物光伏材料研究的一个重要方向。

Connecting the PT donor with the fullerene acceptor together by covalent bond could solve the phase separation problem , so that it increases the PCE of the polymer solar cells , which should be an important future research direction in the polymer photovoltaic materials .

有机小分子供体材料中的供体单元和受体单元的连接方式，影响有机光伏材料的光伏性能。

The photovoltaic performance of the organic photovoltaic materials can be affected by the connected way of donor and acceptor units .