A Red-Emitting Phosphor and Its Luminescent Properties

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Abstract:

Under 616 nm monitoring, excitation peaks at 395, 465, and 535 nm were observed for the red-emitting phosphor Li0.3Y0.82Mo0.1W0.9O4+δ: 0.08Eu3+ (LYMW), which was synthesized using the solid-state method. Particularly in the range of 250 to 420 nm, excited peaks can be assigned to the transitions of O2-→Mo6+/W6+/Eu3+ and four sharp peaks can be assigned to the 4f–4f transition of Eu3+ (∼360 nm from the 7F05D4 transition, ∼380 nm from the 7F05L7 transition, ∼395 nm from the 7F05 L6 transition, and ∼415 nm from the 7F05D3 transition).

Keywords: LEDS; LIGHT-EMITTING DIODES; RED-EMITTING PHOSPHORS

Document Type: Short Communication

DOI: http://dx.doi.org/10.1366/000370210790619492

Affiliations: 1: School of Materials and Metallurgy, Northeastern University, Shenyang 110004, PR China; Shenyang Institute of Chemical Technology, Shenyang 110142, PR China. yjsun7410@yahoo.com.cn 2: Shenyang Institute of Chemical Technology, Shenyang 110142, PR China 3: School of Materials and Metallurgy, Northeastern University, Shenyang 110004, PR China

Publication date: February 1, 2010

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