Effect of pH variation on structural and optical properties of Zn0.95Co0.05O nanoparticles

Husain, Shahid; Alkhtaby, Lila A.; Bhat, Irshad Ul Haq; Khan, Wasi

doi:10.1016/j.jlumin.2014.12.024

Cited by 12 publications

(2 citation statements)

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“…Grain morphology showed a mixture of rods and spheres. According to theoretical analysis of the coordination polyhedron growth units, the increase in the OH − content in solution under alkaline conditions causes growth units to accumulate on the surface, which leads to difficulty in superposition of the growth unit to positive and negative poles . Therefore, grains grew in different directions, and there were two different grain morphologies.…”

Section: Resultsmentioning

confidence: 99%

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Luminescence properties of a novel red phosphor 6LaPO₄–3La₃PO₇–2La₇P₃O₁₈:Eu³⁺

Wang

2019

Luminescence

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Eu 3+ -doped 6LaPO 4 -3La 3 PO 7 -2La 7 P 3 O 18 red luminescent phosphors were synthesized by co-deposition and high-temperature solid-state methods and its polyphase state was confirmed by X-ray diffraction analysis. Transmission electron microscopy showed the grain morphology as a mixture of rods and spheres. Luminescence properties of the phosphor were investigated and its red emission parameters were evaluated as a function of Eu 3+ concentration (3.00-6.00 mol%). Excitation spectra of 6LaPO 4 -3La 3 PO 7 -2La 7 P 3 O 18 :Eu 3+ showed strong absorption bands at 280, 395, and 466 nm, while the luminescence spectra exhibited prominent red emission peak centred at 615 nm ( 5 D 0 → 7 F 2 ) in the red region. CIE chromaticity coordinates of the 6LaPO 4 -3La 3 PO 7 -2La 7 P 3 O 18 :5%Eu 3+ phosphor were (0.668, 0.313) in the red region, and defined its potential application as a red phosphor.

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Section: Resultsmentioning

confidence: 99%

“…Orthophosphates have charge stability, excellent thermal stability, high chemical stability, and other excellent properties, so they have become important matrix materials. Great attention has been paid to Eu 3+ ‐doped phosphates and many investigations on these materials have been carried out . For example, Zhang et al .…”

Section: Introductionmentioning

confidence: 99%