Nanocrystal reinforced rare earth doped tellurate luminous film material and preparation method thereof

Abstract

The invention belongs to the technical field of photoelectron information, particularly relating to a nanocrystal reinforced rare earth doped tellurate luminous film material and a preparation method thereof. The tellurate luminous film material comprises the following components: 50-95 mol% of TeO2, 0-20 mol% of TiO2, 0-10 mol% of Al2O3, 0-30 mol% of ZnO, 1-10 mol% of Na2O, 1-10 mol% of Re2O3 and 0-30 mol% of M, wherein Re is rare earth element and is one or a plurality of Pr, Nd, Sm, Eu, Tb, Ho, Er, Tm and Yb, and M is noble metal element and is one or a plurality of Ag, Au and CU. The tellurate luminous film material utilizes organic alkoxide or inorganic salt of the components through a non-hydrolysis sol-gelation method, and the tellurate luminous film material is prepared on the optical glass substrate according to the composition range and certain technical condition. The invention has simple preparation method and low cost, and the obtained film material is even and transparent, and fluorescent output can be greatly enhanced by laser pump excitation. The film material can be used in the fields, such as optical information record, display, treatment and the like.

Description

technical field The invention belongs to the field of optoelectronic information technology, and in particular relates to a rare earth ion-doped tellurate light-emitting film material enhanced by noble metal nanocrystals and a preparation method thereof. Background technique Luminescent materials have extensive and important applications in the fields of optical information storage, transmission, display and processing, and provide important support for the development of today's information technology. Introducing various luminescent substances such as rare earths, semiconductors, metal ions and nanocrystals into some materials can obtain various unique luminescent properties. Compared with organic matrix materials, inorganic matrix materials have good chemical and thermal stability and are widely used. Long life and other characteristics, is an important class of light-emitting matrix materials. Although fluoride materials have high quantum efficiency due to their low ph...

AI Technical Summary

Problems solved by technology

There is no patent related to the preparation of rare earth ion-doped tellurate luminescent film materials by sol-gel method, and the use of the surface fluorescence enhancement effect of metal nanocrystals to enhance fluorescence. Therefore, it is necessary to develop a simple, efficient and stable preparation process. Metal nanocrystal surface enhanced rare earth ion doped tellurate luminescent film material has important practical significance

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