Applied Sciences | Free Full-Text | Luminescent Materials: …
Brik shortly defined the phenomenon of luminescence as a method of conversion of excitation energy (which can be supplied to a luminescent object in various …
energy from S 1 to T 1 state, producing an energy gap between S 1 and T 1 that is smaller than 0.1 eV facilitating intersystem crossing. Furthermore, the bromide anion endows the transition process with a spin-orbit coupling constant as large as 327.39 cm-1 1
The principle of up-conversion luminescence is that the energy is transferred by cross relaxation in the form of non-radiative coupling of ions. According to the different modes of transmission, ETU is divided into three main types: serial energy transfer (SET), cross relaxation (CR) and cooperative upconversion (CU), and its upconversion …
Energy conversion, storage and utilization of solar-absorbing energy storage materials Biological non-toxicity is a significant guarantee for exploiting the application of SESM in buildings. Therefore, the biological non-toxicity of the SESM is investigated by culturing the human breast cancer cells (MCF-7 cells) on SESM.
Rare Earths (REs) are referred to as ''industrial vitamins'' and play an indispensable role in a variety of domains. This article reviews the applications of REs in traditional metallurgy, biomedicine, magnetism, luminescence, catalysis, and energy storage, where it is surprising to discover the infinite poten
The introduction of Bi 3+ acts as a luminescence center, and regulates the trap energy levels within the matrix, which is important for achieving optical information storage. The time-dependent TL curves reveal multiple continuously distributed trap levels, where deep traps are critical for information storage.
methods to achieve persistent luminescence is through the use of traps (Fig. 1a), which allow for energy storage and its subsequent slow release via thermal disturbances. Inspired by the role of inorganic trap species, we hypothesized a purely organic system
Oarai Research Center, Chiyoda Technol Corporation Oarai-machi, Ibaraki 311-1313, Japan. E-mail: [email protected]. Received September 6, 2022; revised September 7, 2022; accepted ...
Abstract. This review paper discusses the basics of the optically stimulated luminescence (OSL) phenomenon, phosphors for OSL, functional design of OSL phosphors, and application areas of the OSL phenomenon, such as radiation dose monitoring for individual and environmental, computed radiography for medical and dental …
DOI: 10.1016/j.ceramint.2022.03.205 Corpus ID: 247752796 Bi-activated MgGa2O4 phosphors with rich defect energy levels: Spectral property and optical storage applications Persistent luminescent materials can continue to emit light after stopping excitation, and ...
Thus, the combination of delayed luminescence and circularly polarized luminescence is attracting increasing attention. The encapsulation of guest emitters in various host matrices to form host–guest systems has been demonstrated to be an appealing strategy to further enhance and/or modulate their delayed luminescence and …
luminescence, emission of light by certain materials when they are relatively cool. It is in contrast to light emitted from incandescent bodies, such as burning wood or coal, molten iron, and wire heated by an electric current.Luminescence may be seen in neon and fluorescent lamps; television, radar, and X-ray fluoroscope screens; organic substances …
However, the multifunctional materials coupled with energy storage and luminescence properties are few reported in single-phase material. Motivated by this, the multi-function lead-free relaxor ferroelectric thin films with Er 3+ /Yb 3+ -codoping 0.7Bi 0 · 5 Na 0 · 5 TiO 3 -0.3Sr 0 · 7 Bi 0 · 2 TiO 3 (BNT-SBT) are fabricated utilizing chemical …
Luminescence concepts in insulators and crystalline solids are best understood by an energy band model of the valence band (VB) and the conduction band (CB) separated by a forbidden band (FB). Without any thermal or optical excitation, the uppermost band of occupied electron states (VB) is completely full, and the states are …
n be possible to merge the diverse benefits of organic systems with the performance of inorganics. One of the most successful methods to achieve persistent luminescence is through the use of traps. Fig. 1a), which allow for energy storage and its subsequent slow release via thermal disturbances. Inspired by the role of inorganic trap species ...
Photoluminescence refers to a phenomenon whereby a substance absorbs energy under high-energy radiation (such as ultraviolet rays, β-rays, etc.) to achieve luminescence [12], [13]. Depending on the luminescence duration and principles, photoluminescence is divided into fluorescence and phosphorescence.
DOI: 10.1016/j.jlumin.2023.119814 Corpus ID: 257612855 Luminescence and energy-storage properties of Pr3+-doped YAlO3 crystals @article{Gieszczyk2023LuminescenceAE, title={Luminescence and energy-storage properties of Pr3+-doped YAlO3 crystals}, author={Wojciech Gieszczyk and Anna Mrozik …
Here, a novel multifunctional phosphor of Li1−xGa5O8:xPr3+ is reported. The crystal structure, mechanoluminescence (ML), persistent luminescence (PersL), photoluminescence (PL) and photoluminescence excitation (PLE) are systematically studied. LiGa5O8 emits blue PersL peaked at 437 nm after irradiation by a 254 nm lamp …