Wang Deyin sitere na Mahadum Lanzhou @ Wang Yuhua LPR dochie BaLu2Al4SiO12 na Mg2 + - Si4 + abụọ Ìhè na-acha anụnụ anụnụ na-atọ ụtọ na-acha odo odo emitting fluorescent powder BaLu2 (Mg0.6Al2.8Si1.6) O12: A kwadebere Ce3+ site na iji Al3+- Al3+pairs , na mpụta quantum efficiency (EQE) nke 66.2%. N'otu oge ahụ dị ka redshift nke Ce3 + emission, nnọchi a na-agbasawanye ikuku nke Ce3+ ma na-ebelata nkwụsi ike ya.
Mahadum Lanzhou Wang Deyin & Wang Yuhua LPR dochie BaLu2Al4SiO12 na Mg2 + - Si4 + ụzọ abụọ: A ọhụrụ-acha anụnụ anụnụ ìhè obi ụtọ odo emitting fluorescent ntụ ntụ BaLu2 (Mg0.6Al2.8Si1.6) O12: Ce3 + kwadebere site na iji Al3 + - Al3 + pairs , na mpụta quantum efficiency (EQE) nke 66.2%. N'otu oge ahụ dị ka redshift nke Ce3 + emission, nnọchi a na-agbasawanye ikuku nke Ce3+ ma na-ebelata nkwụsi ike ya. Mgbanwe a na-ahụ anya bụ n'ihi ngbanwe nke Mg2+- Si4+, nke na-ebute mgbanwe na mpaghara kristal na ọnọdụ ọnọdụ nke Ce3+.
Iji nyochaa ike nke iji phosphor na-acha odo odo emepụtara ọhụrụ maka ọkụ laser dị elu, a rụrụ ha dị ka wiil phosphor. N'okpuru irradiation nke laser na-acha anụnụ anụnụ nwere njupụta ike nke 90.7 W mm - 2, ncha ọkụ na-acha odo odo fluorescent ntụ ntụ bụ 3894 lm, ọ nweghịkwa ihe ngosi saturation pụtara ìhè. N'iji diodes laser na-acha anụnụ anụnụ (LDs) nwere njupụta ike nke 25.2 W mm - 2 iji mee ka wiil phosphor odo na-acha odo odo, a na-emepụta ọkụ na-acha ọcha na-egbuke egbuke nke 1718.1 lm, okpomọkụ agba agba agba nke 5983 K, akara ngosi agba nke 65.0, na nhazi agba nke (0.3203, 0.3631).
Nsonaazụ ndị a na-egosi na phosphor na-acha odo odo emepụtara ọhụrụ nwere ikike dị ukwuu n'ime ngwa ọkụ ọkụ na-ebugharị laser.
Onyonyo 1
Ọdịdị kristal nke BaLu1.94 (Mg0.6Al2.8Si1.6) O12: 0.06Ce3+ elere n'akụkụ b-axis.
Onyonyo 2
a) HAADF-STEM oyiyi nke BaLu1.9 (Mg0.6Al2.8Si1.6) O12: 0.1Ce3+. Ntụnyere ihe owuwu ihe nlereanya (insets) na-ekpughe na ọnọdụ niile nke cations dị arọ Ba, Lu, na Ce na-ese onyinyo nke ọma. b) ụkpụrụ SAED nke BaLu1.9 (Mg0.6Al2.8Si1.6) O12: 0.1Ce3 + na ntinye aka metụtara ya. c) HR-TEM nke BaLu1.9 (Mg0.6Al2.8Si1.6)O12:0.1Ce3+. Ntinye bụ HR-TEM gbasaa. d) SEM nke BaLu1.9 (Mg0.6Al2.8Si1.6)O12:0.1Ce3+. Ntinye bụ histogram nkesa nke urughuru.
Onyonyo 3
a) Ihe nlegharị anya na mkpali nke BaLu1.94 (MgxAl4-2xSi1 + x) O12: 0.06Ce3 + (0 ≤ x ≤ 1.2). Ntinye bụ foto BaLu1.94(MgxAl4−2xSi1+x)O12:0.06Ce3+ (0 ≤ x ≤ 1.2) n'okpuru ìhè ehihie. b) Ọnọdụ kachasị elu na mgbanwe FWHM na-abawanye x maka BaLu1.94 (MgxAl4-2xSi1 + x) O12: 0.06Ce3 + (0 ≤ x ≤ 1.2). c) Mpụga na mpụta quantum arụmọrụ nke BaLu1.94 (MgxAl4−2xSi1+x) O12:0.06Ce3+ (0 ≤ x ≤ 1.2). d) Ọkpụkpụ ire ere nke Luminescence nke BaLu1.94 (MgxAl4−2xSi1+x) O12: 0.06Ce3+ (0 ≤ x ≤ 1.2) na-eleba anya nchapụta kacha nke ha (λex = 450 nm).
Onyonyo 4
a-c) Maapụ ihe nlegharị anya nke ụdị ikuku na-adabere na okpomọkụ nke BaLu1.94 (MgxAl4-2xSi1 + x) O12: 0.06Ce3 + (x = 0, 0.6 na 1.2) phosphor n'okpuru mkpali 450 nm. d) Mgbapụta ọkụ nke BaLu1.94 (MgxAl4-2xSi1 + x) O12: 0.06Ce3 + (x = 0, 0.6 na 1.2) na okpomọkụ dị iche iche. e) Eserese nhazi nhazi nhazi. f) Arrhenius dabara nke ike ikuku nke BaLu1.94 (MgxAl4-2xSi1 + x) O12: 0.06Ce3 + (x = 0, 0.6 na 1.2) dị ka ọrụ nke okpomọkụ okpomọkụ.
Onyonyo 5
a) Ntugharị ụdịdị nke BaLu1.9 (Mg0.6Al2.8Si1.6) O12: 0.1Ce3 + n'okpuru-acha anụnụ anụnụ LDs excitation na dị iche iche ngwa anya ike densities. Ntinye bụ foto wiil phosphor a kpụrụ akpụ. b) Ntugharị na-egbuke egbuke. c) Ntughari arụmọrụ. d) Nhazi agba. e) CCT dị iche iche nke isi iyi ọkụ na-enweta site na irradiation BaLu1.9 (Mg0.6Al2.8Si1.6) O12: 0.1Ce3 + na-acha anụnụ anụnụ LD na dị iche iche ike densities. f) Ntugharị ụdịdị dị iche iche nke BaLu1.9 (Mg0.6Al2.8Si1.6) O12: 0.1Ce3 + n'okpuru-acha anụnụ anụnụ LDs excitation na ngwa anya ike densities nke 25.2 W mm-2. Ntinye bụ foto nke ọkụ na-acha ọcha ewepụtara site na wiil phosphor na-acha odo odo nwere LD ndị na-acha anụnụ anụnụ nwere njupụta ike nke 25.2 W mm−2.
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Oge nzipu: Dec-30-2024