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Organic solar cell materials were breakthrough

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences assumed the new highly efficient organic solar cell research project, recently passed the scientific and educational bureau of the Chinese Academy of Sciences and the scientific and educational bureau of the organization of expert acceptance. The expert group believes that the project in the design and synthesis of high performance photovoltaic polymer, novel receptors and interface materials synthesis and the preparation of highly efficient photosensitive film and large area devices, such as the preparation of technology and other aspects of the important progress, for mass production has laid a foundation.


Chinese Academy of Sciences Institute of chemistry, Chinese Academy of Sciences, Qingdao Institute of biological energy and process around the country's major needs, in the Chinese Academy of Sciences, knowledge and innovation project supported by the important direction of the project, in May 2010 jointly launched a new highly efficient organic solar cell project. After a variety of high and broad absorption, high altitude hole mobility (up to 1.1 x 10-2cm2/V/s) of the new polymer materials, based on the material of the laboratory small area (0.04~0.1cm2) photovoltaic devices in the simulation of the solar energy conversion efficiency up to 8.79%, and a variety of polymer, small molecule and metal oxide interface materials, and several kinds of polymer, small molecular and metal oxide interface materials, and several kinds of polymer, small molecular and metal oxide interface materials, and several kinds of polymer, small molecule and metal oxide interface materials, and several kinds of polymer, small molecule and metal oxide interface materials, and in the device. In the single cell, the conversion efficiency of the battery module with the area of 46.9cm2 is 3.12%, which will pave the way for the larger area of the module.


The project applied for 16 patents of invention patents, authorized 8, published 106 papers of SCI income, and the cultivation and establishment of an outstanding team in the field of core competitiveness.


It is understood that the new high performance organic solar cells due to light weight, flexible, wet processing, easy to large area and wide attention. Among them, the design and synthesis of novel conjugated polymer materials and optimizing the morphology of the photosensitive layer is an important way to improve the performance of the device. Small area cell devices usually use spin coating process to prepare, but this process can not prepare large area of battery module and module, research and development is necessary for large area of the production process is necessary.


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