Hubei Engineering Technology Research Center of Optoelectronic and New Energy Materials;
Hubei Key Laboratory of Plasma Chemistry and Advanced Materials;
School of Materials Science and Engineering;
Wuhan Institute of Technology;
Wuhan 430205;
China;
Ningbo Institute of Materials Technology and Engineering;
Chinese Academy of Sciences;
Ningbo 315201;
China;
Center of Materials Science and Optoelectronics Engineering;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Organic solar cells; Small molecular donor materials; Chlorination; Miscibility; Photovoltaic performance;