Organic light emitting diodes (OLEDs) have been well known for their potential usage in the
lighting and display industry. The device efficiency and lifetime have improved considerably …

Abstract 2, 2′, 7, 7′‐tetrakis‐(N, N‐di‐4‐methoxyphenylamino)‐9, 9′‐spirobifluorene
(spiro‐MeOTAD) hole transport material (HTM) is a milestone in the history of perovskite …

Abstract Pure‐red perovskite LEDs (PeLEDs) based on CsPb (Br/I) 3 nanocrystals (NCs)
usually suffer from a compromise in emission efficiency and spectral stability on account of …

1. INTRODUCTION Since Tang and Van Slyke invented the first efficient organic light-
emitting diode (OLED) based on small molecules in 1987, and Friend et al. in 1990, based …

Efficiency is crucial for organic light emitting diodes (OLEDs) to be energy-saving and to
have a long lifetime for display and solid state lighting applications. Numerous approaches …

Organic light‐emitting diodes (OLEDs) have attracted much attention in research and
industry thanks to their capability to emit light with high efficiency and to deliver high‐quality …

The imminent global energy crisis and continuing inefficient energy utilization are driving the
development of smart energy-efficient devices for display and lighting applications. Energy …

During the last few years, transition metal oxides (TMO) such as molybdenum tri‐oxide
(MoO3), vanadium pent‐oxide (V2O5) or tungsten tri‐oxide (WO3) have been extensively …

Doping polymeric semiconductors often drastically reduces the solubility of the polymer,
leading to difficulties in processing doped films. Here, we compare optical, electrical, and …

The understanding and applications of organic semiconductors have shown remarkable
progress in recent years. This material class has been developed from being a lab curiosity …