The Institute for Advanced Studies Wuhan University Wuhan 430072 China;
The Institute for Advanced Studies Wuhan University Wuhan 430072 China;
The Institute for Advanced Studies Wuhan University Wuhan 430072 China;
Hubei Key Lab on Organic and Polymeric Optoelectronic Materials Department of Chemistry Wuhan University Wuhan 430072 China;
Hubei Key Lab on Organic and Polymeric Optoelectronic Materials Department of Chemistry Wuhan University Wuhan 430072 China;
The Institute for Advanced Studies Wuhan University Wuhan 430072 ChinaBeijing National Laboratory for Molecular Sciences Beijing 100190 ChinaKey Laboratory of Materials Processing and Mold(Zhengzhou University) Ministry of Education Zhengzhou 450002 China;
thieno2; 3-fbenzofuran unit; small molecule donor; all-small-molecule system; absorption coefficient;