Figure 4

(a) IOT spectra performed at T = 40, 130, 220, and 310 K for rubrene films deposited with Tsub = 103, 146, and 198 °C. (b) Detailed T-dependence of IOT spectra for rubrene films deposited with Tsub = 146 and 170 °C.
(a) IOT spectra performed at T = 40, 130, 220, and 310 K for rubrene films deposited with Tsub = 103, 146, and 198 °C. (b) Detailed T-dependence of IOT spectra for rubrene films deposited with Tsub = 146 and 170 °C.