The evolution of luminescent materials has witnessed rapid advancement in research and
development. Solid inorganic light-emitting materials or phosphors are the optoelectronic …

Luminescence intensity is a critical issue for upconversion oxides with high phonon energy.
Herein, an effective enhancement in red upconversion luminescence (UCL) is implemented …

Upconversion (UC) technology harvests near infrared (NIR) radiation from the sun and has
been widely used to enhance the solar cell's efficiency in the past few years. One key …

Temperature-sensing media based on the fluorescence intensity ratio (FIR) of upconversion
materials that suffer from low sensitivity owing to the small energy gap still have a need for …

Abstract Trivalent Er 3+-doped La 2 (MoO 4) 3 upconversion phosphors with intense green
emmision were synthesized at 800° C by the solid-state reaction route, promoting the …

For achieving well-performing optical thermometry, a new type of dual-mode optical
thermometer is explored based on the valley-to-peak ratio (VPR) and fluorescence lifetime …

In this study, various Na0. 5Bi0. 5TiO3: 0.5 at% Ho3+ (NBT: Ho) ceramics with different Yb3+
ion doping concentrations were synthesized by a conventional solid-state reaction method …

Luminescence intensity ratio (LIR) thermometry based on distinct up-conversion
luminescence centers was established in Cs-based fluorides. By contrasting the …

Rare earth ions activated nanomaterials have been extensively considered as promising
candidates for optical thermometry due to their unique photoluminescence characteristics …

Ratiometric fluorescent sensing materials based on dual-emissive luminescent centers have
been widely researched due to their highly stable self-calibrating monitoring performance. In …