Metal-nanoparticle-doped oxide luminescent material with hollow structure and preparation method thereof

A metal nanoparticle and hollow structure technology, which is applied in the field of oxide luminescent materials doped with metal particles and its preparation, can solve the problems of low luminous efficiency and attenuation, and achieve the effects of industrial production, simple operation, and low preparation temperature
CN102337136AInactive Publication Date: 2012-02-01OCEANS KING LIGHTING SCI&TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
OCEANS KING LIGHTING SCI&TECH CO LTD
Publication Date
2012-02-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the field of a luminescent material and discloses a metal-nanoparticle-doped oxide luminescent material with a hollow structure and a preparation method thereof. The chemical formula of the oxide luminescent material is nM:yC@Ln2-xEuxO3; wherein M is one type of Ag, Au, Pt, Pd and Cu nano-particles, Ln is one of Gd, Y, La and Lu, C is a small carbon ball, x is greater than 0 but less than or equal to 1.5, n is the molar ratio of M nanoparticles to Ln2-xEuxO3 and is greater than 0 but less than or equal to 1*10-3, y is the molar ratio of C to Ln2-xEuxO3 and is greater than 0 but less than or equal to 1, @ means coating, Ln2-xEuxO3 is a shell, nM is a core, and nM:yC is of a hollow structure. The prepared oxide luminescent material has excellent luminescent performance. The preparation method has the advantages that the operation is simple, no pollution can be caused, the process conditions are simple and can be easily controlled, the preparation temperature is low and the like, energy can be saved, and industrial production can be facilitated.
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Description

technical field

[0001] The invention relates to the field of luminescent materials, in particular to an oxide luminescent material doped with metal particles for a field emitter and a preparation method thereof. Background technique

[0002] According to the relatively low operating voltage (200V-5kV) of the field emission device (FED), in terms of the field emission device (FED), the commercial Y 2 o 3 :Eu 3+ Oxide red luminescent material.

[0003] However, in order to obtain the potential advantages of FED in terms of brightness, viewing angle, and response time, there are a series of requirements for the brightness, luminous color, luminous brightness saturation, conductivity, stability, life, luminous efficiency, and morphology of luminescent materials. Require. Especially at 1.5kV voltage, existing luminescent materials for FED, such as Y 2 o 3 :Eu 3+ Oxide red luminescent materials have low luminous efficiency and serious attenuation. How to improve their lumin...

Claims

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