A5066479052- Luminescence Properties of Advanced Materials
- Perovskite Materials and Applications
- Optical properties and cooling technologies in crystalline materials
- Radiation Detection and Scintillator Technologies
- Solid State Laser Technologies
- Ferroelectric and Piezoelectric Materials
- Glass properties and applications
- Photorefractive and Nonlinear Optics
- X-ray Diffraction in Crystallography
- Gas Sensing Nanomaterials and Sensors
- Ga2O3 and related materials
- Solid-state spectroscopy and crystallography
- Photonic Crystals and Applications
- Inorganic Chemistry and Materials
- Transition Metal Oxide Nanomaterials
- Photonic and Optical Devices
- Crystallization and Solubility Studies
- Multiferroics and related materials
- Mineralogy and Gemology Studies
- Microwave Dielectric Ceramics Synthesis
- Rare-earth and actinide compounds
- Solar-Powered Water Purification Methods
- Crystal Structures and Properties
- Nanoplatforms for cancer theranostics
- Phase-change materials and chalcogenides
China Jiliang University
2018-2025
State Council of the People's Republic of China
2020
Hangzhou Xixi hospital
2020
Hong Kong Polytechnic University
2014
Argonne National Laboratory
2011
Northwestern University
2011
Non-contact remote optical thermometers as a significant technique have been extensively developed. However, it is still challenge to design new Bismuth-doped phosphor materials with tunable spectra for high-sensitive temperature sensors. Herein, novel YxLu1-xNbO4:Bi3+ (0 ≤ x 1.0) constructed by the isomorphic end components LuNbO4 and YNbO4. Owing modification of crystal field strength around Bi3+ ions, emission positions controllably shifted from 475 462 nm increase Y3+ ions...
Fluorescence thermometry has the distinct superiority of non-invasive, non-contact, and high spatial resolution. However, simultaneous improvement temperature sensitivity resolution remains challenging. Herein, La3Ta0.8Sb0.2O7 matrix was co-doped by Bi3+ Sm3+ with energy transfer for tunable emission color, which further applied fluorescence sensing imaging. With partial substitution Sb5+ Ta5+, peak La3SbO7:0.04Bi3+ shifted from 530 nm to 460 nm, together a 2.1-fold enhancement intensity....
Owing to its high reliability and accuracy, the ratiometric luminescent thermometer can provide non-contact fast temperature measurements. In particular, nanomaterials doped with lanthanide ions achieve multi-mode luminescence measurement by modifying type of excitation light source. The better penetration near-infrared (NIR) photons assist bio-imaging replace thermal vision cameras for photothermal imaging. this work, we prepared core-shell cubic phase ions, Ba2LuF7 Er3+/Yb3+/Nd3+ as core...
Abstract Upconversion emissions from lanthanide ions have unparalleled advantages in the field of temperature sensing and information encryption. Despite extensive research on probes, developing highly sensitive measurement applications still poses a significant challenge. This study utilizes doped BaTiO₃ as foundational material to develop fiber optic probe with enhanced sensitivity. The optical temperature‐sensing capabilities are assessed based intensity ratio various energy levels...
A novel tricolor phosphor-in-glass film (PiGF) with high luminous efficiency (LE) and color rendering index (Ra) was designed fabricated by optimizing the glass layer thickness, phosphor ratio, structure, sintering process.
Abstract Information security and temperature sensing play vital roles in various areas such as financial transactions, product authentication, privacy protection. However, integrating precise control information technologies with highly sensitive remains a significant challenge. Here, multilayer core–shell upconversion nanoparticle (UCNP) system is presented that enables dynamic dual‐color emission switching through controlled energy transfer mechanisms. By tuning the excitation wavelength,...
Thin films of Yb3+/Er3+ co-doped BaTiO3 (BTO:Yb/Er) have been epitaxially grown on piezoelectric Pb(Mg1/3Nb2/3)0.7Ti0.3O3 (PMN-PT) substrates. Biaxial strain can be effectively controlled by applying electric field PMN-PT substrate. A reversible, in situ and dynamic modification upconversion photoluminescence BTO:Yb/Er film was observed via converse effect. Detailed analysis X-ray diffraction indicate that such modulations are possibly due to the change lattice deformation thin films. This...
Abstract A series of Mn 2+ single‐doped 0.2Gd 2 O 3 ‐0.2Al ‐0.6SiO (GAS: xMn ) glasses with Si N 4 as reducing agent were prepared. The presence [SiO 4‐x ] defects and ions was determined from the absorption excitation spectra glasses. With increase concentration, intensity blue emission decreases, while red increases. color coordinate GAS: 6Mn glass is (0.264, 0.226). lifetime tested. Under monitoring 440 nm, fast components (τ f are between 17 85 μs, slow s 200–650 μs. former belongs to...
Reconfigurable silicon photonic devices attract much research attention, and hybrid integration with tunable phase-change materials (PCMs) exhibiting large refractive index contrast between amorphous (Am) crystalline (Cr) states is a promising way to achieve this goal. Here, we propose numerically investigate Sb2Se3-Si waveguide Bragg filter operating in the telecom C-band on silicon-on-insulator (SOI) platform. The proposed device consists of grating (BG) thin top layer ultralow-loss Sb2Se3...
Rare earth sulfides are environmentally friendly and have excellent physical optoelectronic properties coloring applications. In particular, red γ-Ce2S3 is an important popular inorganic optical functional material. However, it has become crucial to improve the production efficiency of its color performance stability. By adding ammonium thiocyanate precursor, eco-friendly with was produced in this study. addition, effect different amounts Na+ doping on final product's purity chroma value...
Lanthanide-doped luminescent materials have drawn great attention due to their lighting, display, and sensing applications. However, emission intensity usually decreases with increasing temperature, leading a weaken performance. In this work, the Er3+-doped Yb2Mo3O12 microcrystals optical temperature properties been synthesized by solid-phase sintering route. Under excitation of 980 nm laser, sample shows enhanced upconversion emissions as rises, which is attributed negative thermal...
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Near-infrared luminescence phosphors are key material basis to potential applications for light sources and optoelectronic devices. In particular, it is vital tune the luminescent properties of these in a flexible controllable manner. Here, we demonstrate that flexural strain originated from bending can be used modulate photoluminescence freestanding Ni2+ doped SrTiO3 membranes. The bent membranes show remarkable red-shift emissions, arising variations symmetry host materials local crystal...
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Multicolor phosphors are crucial components in various applications such as screen displays, lighting fixtures, and color imaging technologies. Despite their widespread use, they still encounter some obstacles multicolored luminescence. Here, we synthesized a series of Gd2ZnTiO6 doped with Tb3+ Eu3+ using high-temperature solid-state reaction method. By employing Reisfeld's approximation theory Dexter's multipolar interaction theory, analyzed the energy transfer mechanism from to Eu3+. Our...