New NaSrPO4:Sm3+ phosphor as orange-red emitting material
Source abstract
Abstract
Sm3+-activated NaSrPO4 phosphors could be efficiently excited at 403 nm, and exhibited a bright red emission mainly including four wavelength peaks of 565, 600, 646 and 710 nm. The highest emission intensity was found for NaSr 1−x PO4: xSm3+ with a composition of x = 0.007. Concentration quenching was observed as the composition of x exceeds 0.007. The decay time values of NaSr1−x PO 4 : xSm3+ phosphors range from around 2.55 to 3.49 ms. NaSr1−x PO4: xSm3+ phosphor shows a higher thermally stable luminescence and its thermal quenching temperature T 50 was found to be 350°C, which is higher than that of commercial YAG:Ce3+ phosphor and ZnS:(Al, Ag) phosphor. Because NaSr1−x PO4: xSm3+ phosphor features a high colour-rendering index and chemical stability, it is potentially useful as a new scintillation material for white light-emitting diodes.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Radiation Detection and Scintillator Technologies · Ammonia Synthesis and Nitrogen Reduction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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