Electronic states and molecular orientation of ITIC film<xref rid="cpb_27_8_088801fn1" ref-type="fn">*</xref><fn id="cpb_27_8_088801fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11374258 and 11079028).</p></fn>

Electronic states and molecular orientation of ITIC film**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11374258 and 11079028).

Du Ying-Ying¹, Lin De-Qu¹, Chen Guang-Hua¹, Bai Xin-Yuan¹, Wang Long-Xi¹, Wu Rui², Wang Jia-Ou², Qian Hai-Jie², Li Hong-Nian^{1, †}

(a) UPS data of ITIC films on Al and ITO substrates. (b) Enlarged view of photoemission between Fermi level (0 eV) and 5.0-eV binding energy. (c) Secondary electron cutoffs. Work function data indicated in panel (c) are determined by the tangent of cutoff and base line.