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

Copper indium sulfide (CuInS2) is a ternary A (I) B (III) X (VI) 2-type semiconductor featuring
a direct bandgap with a high absorption coefficient. In attempts to explore their practical …

Phototherapy of deep tumors still suffers from many obstacles, such as limited near-infrared
(NIR) tissue penetration depth and low accumulation efficiency within the target sites …

Lanthanide metal–organic frameworks (Ln‐MOFs) are promising for luminescence detection
of volatile organic compound (VOC) vapors, but usually suffer from the silent or quenched …

Wide‐coverage near infrared (NIR) phosphor‐converted LEDs possess promising potential
for practical applications, but little is developed towards the efficient and wide‐coverage NIR …

Abstract Spinel ferrites (MFe2O4, M divalent metallic ion) and their nanocomposites with
specific metallic oxides (ZnO, TiO2, CeO2) have attracted the interest of researchers for …

Metal‐free long‐wavelength light‐driven prodrug photoactivation is highly desirable for
applications such as neuromodulation, drug delivery, and cancer therapy. Herein, via triplet …

In this Perspective, we provide an overview of recent advances in harvesting triplets for
photovoltaic and photon upconversion applications from two angles. In singlet fission …

By using anhydrous conditions, we report here an optimized synthesis of small but highly
emitting upconverting nanoparticles (UCNPs) of LiYF4: Yb3+, Tm3+ without any surface …

Deep tissue penetration, chemical inertness and biocompatibility give UCNPs a competitive
edge over traditional fluorescent materials like organic dyes or quantum dots. However, the …