Characterization and Properties of a New Amorphous Small-molecule Material Containing Both Donor and Acceptor Moieties for Photovoltaic Application  

作　　者：ZHAO Yang ZHANG Feng-ling ZHANG Ming MA Yu-guang 

机构地区：[1]State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P.R.China [2]Biomolecular and Organic Electronics, Department of Physics, Chemistry and Biology,Link(o)ping University, Link(o)ping, Sweden

出　　处：《Chemical Research in Chinese Universities》2013年第6期1193-1198,共6页高等学校化学研究（英文版）

基　　金：the National Basic Research Program of China，the National Natural Science Foundation of China，the Project of Swedish Research Council

摘　　要：A new amorphous small-molecule material, in which the electron-donating carbazole units are connected to the backbone by flexible side chains, has been synthesized and utilised in the photovoltaic（PV） field. This material exhibits the amorphous feature, higher thermal stability and good film forming ability. The influence of the heat-treatment on the morphology and the performance of PV devices were studied. Eventually, a relatively high photovoltaic conversion efficiency was achieved. At the same time, the PV device displayed an ideal open-circuit voltage（over 1 V） which is very close to the upper limit of its theoretical value.A new amorphous small-molecule material, in which the electron-donating carbazole units are connected to the backbone by flexible side chains, has been synthesized and utilised in the photovoltaic（PV） field. This material exhibits the amorphous feature, higher thermal stability and good film forming ability. The influence of the heat-treatment on the morphology and the performance of PV devices were studied. Eventually, a relatively high photovoltaic conversion efficiency was achieved. At the same time, the PV device displayed an ideal open-circuit voltage（over 1 V） which is very close to the upper limit of its theoretical value.

关 键 词：Amorphous material Donor-acceptor bonding Photovoltaic device 

分 类 号：TM914.4[电气工程—电力电子与电力传动] TN383.1[电子电信—物理电子学]