Sb3+-激活的发光金属化物的发光行为
Tao Huang1,2, Bingsuo Zou1
1State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, School of Resources, Environmental and Materials, Guangxi University, Nanning 530004, China.
Nanomaterials (Basel, Switzerland)
|November 10, 2023
概括
反激活金属化物矿为基材料提供了低毒性的替代品,在各种应用中表现出极好的发光. 这些先进的矿显示出下一代光电子设备的前景.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 光电学是指光电子产品.
背景情况:
- 金属化物矿具有特殊的光电子特性,将其定位为未来的半导体材料.
- 传统合物矿中的毒性阻碍了它们的广泛应用.
- 反 (Sb3+) 激活的发光金属化物矿矿成为一个有希望的低毒性替代品.
研究的目的:
- 审查Sb3+激活发光金属化物矿的合成,发光机制,结构和特性.
- 探索这些材料的潜力,以替代化矿.
- 讨论它们的应用和未来发展前景.
主要方法:
- 文献综述侧重于Sb3+激活金属化物矿的合成策略.
- 分析发光机制,包括能量转移和与缺陷相关的辐射.
- 在现有研究中报告的结构性和光发光特性的汇编和比较.
主要成果:
- 激活Sb3+金属化物矿表现出高发光效率,宽带发射,大斯托克斯转移,以及可见和近红外区域的可调节发射波长.
- 这些材料在诸如白色发光二极管 (WLED),电发光LED,温度传感器,光学防伪器和X射线闪光器等应用中表现出色.
- 低毒性和可调节性质使它们成为基矿的竞争力强的替代品.
结论:
- 激活Sb3+金属化物矿是一种可行的,低毒性材料类,在光电子领域具有显著的潜力.
- 对合成优化和特定应用调整的进一步研究对于其商业化至关重要.
- 解决稳定性和可扩展性的挑战将为它们在下一代设备中的采用铺平道路.
相关概念视频
01:23Photoluminescence: Fluorescence and Phosphorescence
2.1K
Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
A pair of electrons in a...
2.1K
01:14Photoluminescence: Applications
407
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
407
01:26Variables Affecting Phosphorescence and Fluorescence
508
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
508
03:02Colors and Magnetism
11.7K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
11.7K
02:42Valence Bond Theory
8.6K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
8.6K
01:25Deactivation Processes: Jablonski Diagram
683
Luminescence, the emission of light by a substance that has absorbed energy, is a process that involves the interaction of molecules with light. The energy-level diagram, or Jablonski diagram, is a graphical representation of these interactions, illustrating the various states and transitions a molecule can undergo. In a typical Jablonski diagram, the lowest horizontal line represents the ground-state energy of the molecule, which is usually a singlet state. This state represents the energies...
683