Improvement in the Power Conversion Efficiency of Bulk Heterojunction Photovoltaic Device via Thermal Postannealing of Subphthalocyanine:C₇₀ Active Layer

Figure 4

(a) The hole and electron mobilities of the active layer of SubPc:C₇₀ with various postannealing temperatures. The corresponding J-V data for (b) hole- and (c) electron-only devices with solid lines as the fitting results of the SCLC.

(a)

(b)

(c)