Solar energy is an ample renewable energy resource, with photovoltaic (PV) technology
enabling a direct route from light to electricity. Currently, PVs are limited in photon …

Many applications, including solar energy conversion, can be enhanced by the
upconversion of low energy photons. A flexible approach towards achieving this is by …

Organic luminescent materials have attracted significant attention in the past few years due
to their fascinating photophysical properties. Implementing these emissive organic …

Efficient deep-blue emitters with nice color purity are fundamental in organic light-emitting
diode (OLED) applications. Herein, we report two phenanthroimidazole (PPI) derivative …

Efficient and stable blue organic light-emitting devices (OLEDs) represent one of the most
important components in future solid-state lighting and full color displays. Although red and …

Metal-free organic phosphorescence materials are commonly utilized in the area of
optoelectronics and bioelectronics. However, the development of materials with …

The harvesting of 'hot'triplet excitons through high-lying reverse intersystem crossing
mechanism has emerged as a hot research issue in the field of organic light-emitting diodes …

The properties of excited states of emitters play an important role in OLEDs. How to obtain
balanced hybrid localized charge transfer (HLCT) state by reasonably designing molecules …

The quenching of electrically generated excitons in organic light-emitting diodes (OLEDs)
serves as a limiting factor in fully exploiting the potential of organic emissive materials …

Herein, two new triplet–triplet annihilation (TTA) molecules, namely HO-PIAC and PIAC, as
deep-blue emitters for high-efficiency TTA-OLEDs were designed and synthesized. HO …