Tuning the alignment of pentacene on copper substrate by annealing-assistant surface functionalization
Cao Qiao-Jun1, Wen Shuang1, Xie Hai-Peng2, Shi Bi-Yun1, Wang Qun1, Lu Cong-Rong1, Gao Yongli3, Dou Wei-Dong1, ‡
       

XPS results of the anneal-treated Cu_LP [(a)–(c)] and Cu_HP [(d)–(e)] substrates.