Efficient ternary organic solar cells with high absorption coefficient DIB-SQ as the third component<xref rid="cpb_27_5_058802_fn1" ref-type="fn">*</xref><fn id="cpb_27_5_058802_fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61675017, 61377029, and 61705161) and the National Training Program of Innovation and Entrepreneurship for Undergraduates, China (Grant No. 170170010).</p></fn>

Efficient ternary organic solar cells with high absorption coefficient DIB-SQ as the third component**

Project supported by the National Natural Science Foundation of China (Grant Nos. 61675017, 61377029, and 61705161) and the National Training Program of Innovation and Entrepreneurship for Undergraduates, China (Grant No. 170170010).

Qi Hui-Xin¹, Yu Bo-Han¹, Liu Sai¹, Zhang Miao¹, Ma Xiao-Ling¹, Wang Jian^{2, †}, Zhang Fu-Jun^{1, ‡}

(color online) (a) Normalized absorptions of the used materials in thin films, and (b) absorption spectra of blend films with different DIB-SQ content in donors.