Organic photovoltaics (OPVs) have progressed steadily through three stages of photoactive
materials development:(i) use of poly (3-hexylthiophene) and fullerene-based acceptors …

As an economical solar energy conversion technology, organic photovoltaics (OPVs) are
regarded as a promising solution to environmental problems and energy challenges. With …

The growing demand for spectroscopy applications in the areas of agriculture, retail and
healthcare has led to extensive research on infrared light sources. The ability of phosphors …

Reducing the energy loss of sub-cells is critical for high performance tandem organic solar
cells, while it is limited by the severe non-radiative voltage loss via the formation of non …

Efficient organic emitters in the deep‐red region are rare due to the “energy gap law”.
Herein, multiple boron (B)‐and nitrogen (N)‐atoms embedded polycyclic heteroaromatics …

Near-infrared light-emitting diodes based on solution-processed semiconductors, such as
organics, halide perovskites and colloidal quantum dots, have emerged as a viable …

Broadband near-infrared (NIR) light sources based on phosphor-converted light-emitting
diodes (pc-LEDs) are desirable for biochemical analysis and medical diagnosis …

Carbon quantum dots (CQDs) feature bright and tunable photoluminescence, solution
processability, and low toxicity, showing great potential in optoelectronics. However, the …

More than a decade of research on the photoluminescence (PL) of classic Au25 (SR) 18 and
its doped nanoclusters (NCs) still leaves many fundamental questions unanswered due to …

The emission of light by polyatomic molecules in the spectral region of the second near-
infrared (NIR (II)) window is severely hampered by the energy gap law, namely the …