A5101616340- Luminescence Properties of Advanced Materials
- Perovskite Materials and Applications
- Advanced Photocatalysis Techniques
- Gas Sensing Nanomaterials and Sensors
- X-ray Diffraction in Crystallography
- Glass properties and applications
- Lanthanide and Transition Metal Complexes
- Crystallization and Solubility Studies
- Luminescence and Fluorescent Materials
- Optical properties and cooling technologies in crystalline materials
- Solid State Laser Technologies
- Radiation Detection and Scintillator Technologies
- Magnetism in coordination complexes
- Supercapacitor Materials and Fabrication
- Nanoplatforms for cancer theranostics
- Inorganic Fluorides and Related Compounds
- Microwave Dielectric Ceramics Synthesis
- Advanced Polymer Synthesis and Characterization
- Photopolymerization techniques and applications
- Advancements in Battery Materials
- Photochromic and Fluorescence Chemistry
- Photorefractive and Nonlinear Optics
- Solid-state spectroscopy and crystallography
- Transition Metal Oxide Nanomaterials
- Conducting polymers and applications
Chongqing University of Posts and Telecommunications
2016-2025
Chongqing Normal University
2023
Chongqing University
2006-2021
State Council of the People's Republic of China
2015-2017
Central South University
2017
Beijing Institute of Aeronautical Materials
2014
City University of Hong Kong
2004-2011
Institute of Modern Physics
2006-2010
University of Canterbury
2006
University of Regensburg
2005
Ultralong room temperature phosphorescence is achieved from amorphous organic materials toward information encryption.
Eu2+ activated fluorophosphate Ba3GdNa(PO4)3F (BGNPF) with blue and red double-color emitting samples were prepared via a solid-state method in reductive atmosphere. Their crystal structure cationic sites identified light of X-ray diffraction pattern Rietveld refinement. Three different Ba2+ sites, coordinated by six O atoms referred to as Ba1, two F five Ba2, Ba3, partially substituted Eu2+. Photoluminescence emission (PL) excitation (PLE) spectra phosphor BGNPF:Eu2+ along the lifetimes...
Abstract Cr 3+ activated near‐infrared (NIR) phosphors are getting unprecedented attention to fabricate the broad band NIR light emitting diodes (NIR‐LEDs) for nondestructive detection, bio‐imaging, and night vision. However, it remains a major challenge obtain ultrabroadband phosphor with excellent quantum yield (QY). Here, broadband Mg 7 Ga 2 GeO 12 :Cr (MGGO: ) ranging from 600 1300 nm an outstanding QY (93%) large full width of half maximum (FWHM = 226 nm) is developed, in which site...
Ultrasensitive temperature sensing is realized through non-thermally coupled energy levels to overcome gap constraints.
A novel CuAl 2 O 4 /MoS /BaFe 12 19 photocatalyst is synthesized that simultaneously couples type I and Z-scheme heterojunctions exhibits high photocatalytic activity for the degradation of TC under simulated sunlight irradiation.
In this paper, BaY2O4:Yb3+/Er3+, a high efficient red upconversion (UC) material, is first utilized as an optical thermometer in the biological window, accomplished through fluorescence intensity ratio (FIR) of thermally coupled Stark sublevels 4F9/2 (FIR(654/663)). The maximum absolute sensitivity FIR(654/663)) 0.19% K–1 at 298 K, which much higher than most previous reports about FIR-based temperature sensors located windows. More importantly, groove FIR(654/663) for thermometry nicely...
The optical thermometry properties of LuVO4:Yb3+/Er3+@SiO2 nanoparticles (NPs) are studied in detail. In order to avoid the overheating effect for biological tissue caused by 980 nm radiation, 915 is employed as excitation wavelength investigate upconversion (UC) and as-prepared NPs. visible region, fluorescence intensity ratio (FIR) 2H11/2 4S3/2 levels Er3+ utilized measure temperature. relative sensitivity SR this case can be written 1077/ T2, which higher than that β-NaYF4:Yb3+/Er3+ NPs,...
A series of lanthanide organic complexes, namely, [Ln2PDC3(H2O)3]H2O (Ln = Eu, Tb, Eu xTb2- x, H2PDC: pyridine-3,5-dicarboxylic acid), were synthesized via hydrothermal method. Eu-PDC was characterized by single-crystal X-ray diffraction. The powder diffraction, Fourier transform infrared spectra, and thermogravimetric analysis illustrate that Eu-PDC, Tb-PDC, x-PDC complexes are isostructural. All the exhibit strong emission even though water molecules coordinated in structure. Tunable color...
A strategy of optical temperature sensing was developed by using various thermal quenching Mn4+ and Eu3+ for double perovskite tellurite phosphor in thermometers. Herein, SrGdLiTeO6 (SGLT): Mn4+,Eu3+ phosphors were synthesized a high-temperature solid-state reaction method. The temperature-dependent emission spectra indicated that two distinguishable peaks originated from exhibited significantly diverse responses. Therefore, thermometers with dual-mode mechanism designed employing...
Effective photothermal conversion is realized with NaScF<sub>4</sub>: Yb<sup>3+</sup>/Er<sup>3+</sup>/Mn<sup>2+</sup>@NaScF<sub>4</sub>@SiO<sub>2</sub>@Cu<sub>2</sub>S nanoparticles along high resolution optical thermometry in real time.
The high-sensitivity and wide-temperature-range dual-mode optical thermometry for novel double perovskite SrLaLiTeO 6 :Mn 4+ ,Dy 3+ phosphor was exploited. Notably, the relative sensitivity ( S R ) values can be manipulated by different excitation wavelength.
Nowadays, the construction of photothermal therapy (PTT) agents integrated with real-time thermometry for cancer treatment in deep tissues has become a research hotspot. Herein, an excellent conversion material, BaY2O4: Yb3+/Nd3+, assembled optical is developed successfully. Ultrasensitive temperature sensing implemented through fluorescence intensity ratio thermally coupled Nd3+: 4Fj (j = 7/2, 5/2, and 3/2) maximal absolute relative sensitivity 68.88 3.29% K-1, respectively, which surpass...
Novel Mn 4+ -activated Sr 2 LuSbO 6 (SLSO) samples have a broad excitation wavelength and further emit deep-red emission corresponding to the E g → 4 A 2g transition, which aligns well with absorption of plant phytochromes.
We have creatively introduced an eco-friendly solvent etching techniques to prepare ultra-thin PEDOT:PSS layers modified with PEG. The PCE of Sn–Pb PSCs using PEG-PEDOT:PSS HTL is increased from 20.52% 21.58%, and the stability device also improved.
Abstract Broadband near‐infrared (NIR) emissions in the long wavelength region with simultaneous high efficiency and thermal stability are desirable for NIR phosphor‐converted light‐emitting diodes (NIR pc‐LEDs) light sources. Herein, a novel broadband NIR‐emitting phosphor is reported, Ba 5 La 3 MgAl O 15 :Cr 3+ (BLMAO:Cr ), which exhibits emission band spanning 700–1300 nm maximum peak ( λ max ) at 925 full width half of 160 nm. The optimized achieves an internal quantum 66%, integrated...
Broadband near-infrared (NIR) luminescent materials hold the key to next-generation, smart, NIR light sources. The emerging halide perovskite are regarded as promising candidates for optoelectronics because of their superior optical properties and easy solution processability. However, it remains a major challenge realize efficient thermally stable broadband luminescence in these materials. Herein, we report novel strategy achieve by utilizing transitions from lowest 1T2 level Mo4+...
Lead-free double perovskite materials have attracted lots of interest because they can be doped with luminescence activators to modify their optical characteristics and improve photoluminescence performances.