무기형광체 재료의 응용 사례

무기형광체 재료의 응용 사례

무기형광체 재료의 응용 사례.docx

목차 Inorganic phosphor Host lattice & Activator ion ▣ Crystal Field Splitting ▣ Three color-LEDs ▣ Plasma Display ▣ PET(Positron Emission Tomography) ▣ Scintillators ▣ quantum cutters ▣ Solar Cells -To make use of low-energy photons, upconversion phosphors are needed. ▣ Upconversion Phosphors 본문 Inorganic phosphor ○ A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence. ○ Phosphors are often transition metal compounds or rare earth compounds of various types. ○"Classical" inorganic phosphors usually consist of a host lattice with activator ions doped into it in small concentrations, typically a few mole percent or less. Host lattice & Activator ion 1st type : weak interaction (Ln3+) 2nd type: strong interaction ( Mn2+, Eu2+, Ce3+, Pb2+,Sb3+, Ce3+, MoO42-, NbO43- 키워드 무기, 무기형광체, 사례, 재료, 형광체