Preparation and Upconversion Emission Modification of Crystalline Colloidal Arrays and Rare Earth Fluoride Microcrystal Composites

被引：22

作者：

Liao, Jiayan ^{[1
]}

Yang, Zhengwen ^{[1
]}

Sun, Jinbo ^{[2
]}

Lai, Shenfeng ^{[1
]}

Shao, Bo ^{[1
]}

Li, Jun ^{[1
]}

Qiu, Jianbei ^{[1
]}

Song, Zhiguo ^{[1
]}

Yang, Yong ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Coll Mat Sci & Engn, Kunming 650093, Peoples R China

[2] Tsinghua Univ, Coll Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

SCIENTIFIC REPORTS | 2015年 / 5卷

关键词：

INVERSE OPAL; PHOTOLUMINESCENCE; NANOCRYSTALS; LUMINESCENCE; ENHANCEMENT;

D O I：

10.1038/srep07636

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In this paper, highly ordered crystalline colloidal arrays containing rare earth fluoride microcrystals were fabricated. The upconversion emission property of rare earth fluoride microcrystals in crystalline colloidal arrays was studied and modified. A significant suppression and enhancement of the upconversion emission from the rare earth fluorides can be observed in the regions of the photonic band gap and its band edge, respectively. The suppression or enhancement factor was shown to be related to the ordered degree of the crystalline colloidal arrays and is critical in the preparation of upconversion displays and low-threshold lasers.

引用

页数：8

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