Blue perovskite light-emitting diodes (PeLEDs) are essential in pixels of perovskite displays,
while their progress lags far behind their red and green counterparts. Here, we focus on …

The rapid relaxation of hot carriers leads to energy loss in the form of heat and consequently
restricts the theoretical efficiency of single‐junction solar cells; However, this issue has not …

All-optical nonlinear activation functions (NAFs) are crucial for enabling rapid optical neural
networks (ONNs). As linear matrix computation advances in integrated ONNs, on-chip all …

Metal nanoparticles (MNPs) are synthesized using various techniques on diverse substrates
that significantly impact their properties. However, among the substrate materials …

Abstract 2D Ruddlesden‐Popper perovskites (RPP) with formamidinium‐cesium (FAC)
alloyed cations possess powerful thermal‐moisture stability. However, their photovoltaic …

The heavy‐metal‐free ZnSeTe quantum dots (QDs) hold great promise for the development
of modern optoelectronic devices, yet, the nature of the emissive state within remains …

Two-dimensional (2D) hybrid organic-inorganic perovskites (HOIPs) have aroused great
interests in various optoelectronic fields. Here, the highly stable 2D (C 6 H 5 C 2 H 4 NH 3) 2 …

The most commonly used surface cap** ligands, like oleic acid and oleylamine, passivate
the surface of perovskite nanocrystals (PNCs) to enhance their stability and optical …

The use of long-chain ligands in lead halide perovskite (LHP) nanocrystal (NC) synthesis
impedes its charge transfer efficacy due to its insulating ligand environment. This report …

Ultrafast all-optical modulation and efficient frequency conversion are highly required for a
wide range of applications including optical communication, microwave photonics, and …