Super-resolution imaging techniques that overcome the diffraction limit of light have gained
wide popularity for visualizing cellular structures with nanometric resolution. Following the …

The recent advances of upconversion nanoparticles (UCNPs) have made them the ideal
“partner” for a variety of biological applications. In this review, we describe the emerging …

Thermal activation of upconversion luminescence in nanocrystals opens up new
opportunities in biotechnology and nanophotonics. However, it remains a daunting …

Phototheranostics based on upconversion nanoparticles (UCNPs) offer the integration of
imaging diagnostics and phototherapeutics. However, the programmable control of the …

Glioblastoma multiforme (GBM) is the most common malignant brain tumor with low survival,
primarily due to the blood–brain barrier (BBB) and high infiltration. Upconversion …

Lanthanide-doped upconversion nanoparticles (UCNPs) have received substantial attention
in diversities of frontier applications because of their excellent and flexible photon …

Transition metal chromium (Cr) ion‐doped inorganic materials exhibit distinct tunable
broadband near‐infrared luminescence, and they have promising applications including …

In this perspective, we provide an overview of the recent achievements in luminescent
lanthanide-based molecular cluster-aggregates (MCAs) and illustrate why MCAs can be …

Lanthanide‐doped metal–organic frameworks (Ln‐MOFs) have versatile luminescence
properties, however it is challenging to achieve lanthanide‐based upconversion …

Dynamic control of multi-photon upconversion with rich and tunable emission colors is
stimulating extensive interest in both fundamental research and frontier applications of …