Sialon phosphor
WebFeb 1, 2024 · A phosphor plate includes a plate-like composite including an inorganic base material, which is a sintered material of two or more types of metal oxide including SiO2, … WebApr 12, 2024 · A β-SiAlON phosphor having excellent luminous intensity can be obtained by the above-described method for producing a β-SiAlON phosphor. このβ型サイアロン蛍光体の製造方法によれば、 発光強度 に優れたβ型サイアロン蛍光体が得られる。
Sialon phosphor
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WebTrivalent Pr3+-doped oxynitirde red phosphors β-SiAlON with composition Si6–zAlzOzN8–z:Prx (z = 0–2.0, x = 0.016) were synthesized by gas pressure sintering (GPS) at 1950 °C for 2 h. Red luminescence in the range 600–650 nm was detected upon excitation with 460 nm blue light, indicating that the phosphor can be excited by blue … WebMar 1, 2024 · The in situ Mg-sialon in low-carbon MgO-C refractories was studied with respect to its oxidation behavior and mechanism at 1500 °C. The results indicated that the oxidation index and rate constant of low-carbon MgO-C refractories with Mg-sialon were 26.2% and 0.51 × 10 −3 cm 2 /min at 1500 °C for 2 h, respectively.
WebJun 17, 2004 · In this letter, a yellow oxynitride phosphor α-SiAlON with compositions of Ca 0.625 Eu x Si 0.75 − 3 x Al 1.25 + 3 x O x N 16 − x (Ca-α-SiAlON: Eu, x = 0 – 25) was … WebApr 28, 2024 · Zhu et al. reported a "β-sialon:Eu phosphor in glass" wavelength converter where a few weight percentage of β-sialon:Eu phosphor particles were dispersed in a low …
WebMar 10, 2016 · The device using SiAlON phosphor–glass composite films has a maximum illuminance 15% higher than that of the device using YAG when the temperature exceeds … WebSep 26, 2024 · A series of β-SiAlON:Eu 2+ phosphors were synthesized from single-source precursors, perhydropolysilazane chemically modified with Al(OCH(CH 3) 2) 3, AlCl 3, and EuCl 2.The single-source precursors were converted to β-SiAlON:Eu 2+ phosphors by pyrolysis under flowing N 2 or NH 3 at 1000°C, followed by heat treatment at 1800°C …
WebThe microstructural analysis indicated that β-Sialon:Eu phosphor powders were uniformly dispersed in the glass matrix without any interfacial reactions. The luminescence efficiency and transparency of the PiG materials were largely dependent on the phosphor concentration, firing temperature and dwell time.
WebMar 9, 2010 · A warm white-LEDs with a luminous efficiency of about 55.1 lm/W and a color temperature 2,870 K was obtained using Sr-α-SiAlON:Eu 2+ phosphor. It is expected that … high tree medical uckfieldWebJun 4, 2024 · Except Al 2 O 3:Cr 3+ prepared by ourselves, all other phosphors are commercially available from phosphor manufacturers (β-Sialon:Eu only from Mitsubishi … how many employees work for united healthcareWebTrivalent Pr3+-doped oxynitirde red phosphors β-SiAlON with composition Si6–zAlzOzN8–z:Prx (z = 0–2.0, x = 0.016) were synthesized by gas pressure sintering … how many employers are self insuredWebThe resultant phosphor showed high thermal stability, that is, the emission intensity at 150 °C was about 82% of that measured at room temperature. The experimental results indicate that β-SiAlON:Yb 2+ is a potential green phosphor for white light-emitting diodes (LEDs), which use blue LEDs as the primary light source. how many employer farmers \u0026 merchants bancorpWebToshiba has developed two new types of phosphor based on strontium (Sr)-containing sialon for white LEDs with high efficiency and high color rendering. One is a greenemitting phosphor, Sr 3 Si 13 Al 3 O 2 N 21 :Eu 2+ , whose external quantum efficiency is 67%, and the other is a red-emitting phosphor, Sr 2 Si 7 Al 3 ON 13 :Eu 2+ , with an external quantum … high tree limb cutterWebToshiba has developed two new types of phosphor based on strontium (Sr)-containing sialon for white LEDs with high efficiency and high color rendering. One is a greenemitting … high trees broxbourneWebwhite light source专利检索，white light source属于 ..使用不同于或远离发光元件的波长变换装置例如一个有一定距离的磷光层专利检索，找专利汇即可免费查询专利， ..使用不同于或远离发光元件的波长变换装置例如一个有一定距离的磷光层专利汇是一家知识产权数据服务商，提供专利分析，专利查询 ... high tree packers dunmow