According to the Ministry of Industry and Information Technology website on the 26th, in recent days, Prof. Wang Jinliang of the School of Chemistry of the Beijing Institute of Technology teamed up with Prof. Wu Hongbin of the South China University of Technology and Dr. Liu Wei of the Berkeley Lawrence National Laboratory in the United States to use fluorobenzothiadiazole as an electron deficiency. The unit, IDT, as an electron-rich unit, oligothiophene as an end-capping oligomer material and blended with fullerene derivatives, achieves a photoelectric conversion efficiency of up to 9.1% and a fill factor of up to 0.77. Solar cell devices.
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