Vibrational Sum Frequency Generation Study of the Interference Effect on a Thin Film of 4,4′-Bis(N-carbazolyl)-1,1′-biphenyl (CBP) and Its Interfacial Orientation

Molecular organization of vapor-deposited organic molecules in the active layer of organic light-emitting diodes (OLEDs) has been a matter of great interest as it directly influences various optoel...