Figure 4.
Adhesion performance: a) Photographs of interfacial adhesion by 3 mtape peeling test. b,c) UV–vis absorption spectra of AZO/PBDB‐T:ITIC, AZO:1.5% PDA/PBDB‐T:ITIC, AZO/PTB7‐Th:PC71BM, and AZO:1.5%PDA/PTB7‐Th:PC71BM before and after peeling 5 times.