What is it about?
SrZn2(PO4)2:Cu2+ nanophosphor was synthesized via a solution combustion route utilizing nitrate-based precursors. Comprehensive analysis was conducted to determine the phase identification, crystal structure, crystallite size, sample morphology, vibrational bands, bonding nature, dopant site environment, and emission properties. X-ray diffraction analysis revealed a monoclinic crystal structure with average crystallite size of 72 nm, while morphological characterization indicated an anisotropic stone-like structure with particle size in the nano range
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Why is it important?
Phosphor-converted white light-emitting diodes (WLEDs) are widely incorporated into the daily lives of humans, owing to their high energy efficiency, low power consumption, long lifetime, and environmentally friendly nature.1,2,3,4,5,6,7 A typical Pc-WLED is fabricated using a blue LED chip in combination with a yellow phosphor. However, there are some difficulties associated with this combination, such as poor color rendering and high CCT values. Insufficient blue and green emission and lack of red emission results in a narrow color range, making it unsuitable for display device applications.8,9 However, this drawback is overcome by developing a combination of ultraviolet (UV)-LED and tricolor (RGB) phosphors
Perspectives
This aspect covers the method or process used to create the Cu²⁺-doped SrZn₂(PO₄)₂ nanophosphor. It may include the chemical reactions, conditions (like temperature and pressure), and techniques (such as sol-gel, hydrothermal, or solid-state synthesis) employed to prepare the nanophosphor. efers to the techniques used to examine and confirm the structure, composition, and properties of the synthesized nanophosphor. Characterization methods could include X-ray diffraction (XRD) for crystal structure, scanning electron microscopy (SEM) or transmission electron microscopy (TEM) for morphology, energy-dispersive X-ray spectroscopy (EDX) for elemental analysis, and others.
Dr. Thirumala Rao Gurugubelli
SR University
Read the Original
This page is a summary of: Energy storage nanoarchitectonics of La2W2O9 porous microspheres for advanced supercapacitive performance, Materials Chemistry and Physics, March 2024, Elsevier,
DOI: 10.1016/j.matchemphys.2024.128993.
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