(Sr,Ca,Ba,Mg)_2Si_5N_8:Eu(2+) 荧光粉的固态组合筛选。

Solid-state combinatorial screening of (Sr,Ca,Ba, Mg)₂Si₅N₈:Eu(2+) phosphors.

机构信息

Department of Printed Electronics, World Class University Program, Sunchon National University, Sunchon, Chonnam, Republic of Korea.

出版信息

ACS Comb Sci. 2011 Mar 14;13(2):154-8. doi: 10.1021/co100046u. Epub 2011 Jan 28.

DOI:10.1021/co100046u

PMID:21275428

Abstract

We employed a solid-state combinatorial chemistry technique to screen 4 ternary phosphor systems: (Sr,Ca,Ba)(2)Si(5)N(8):Eu(2+), (Sr,Ca,Mg)(2)Si(5)N(8):Eu(2+), (Sr,Mg,Ba)(2)Si(5)N(8):Eu(2+), and (Ca,Ba,Mg)(2)Si(5)N(8):Eu(2+). The current pure nitride-based system did not allow for the use of conventional liquid solution-based high-throughput experimentation, so that a specially designed solid-state high-throughput powder-dispensing synthesis technique was employed. As a result, four well-defined ternary combinatorial libraries were developed in terms of photoluminescent (PL) intensity and color chromaticity with no skipped compositions, which provided a quantitative relationship between PL properties and the composition of AE(2)Si(5)N(8):Eu(2+) (AE = alkaline earth elements) phosphors.

摘要

我们采用固态组合化学技术筛选了 4 种三元磷光体系统：(Sr,Ca,Ba)(2)Si(5)N(8):Eu(2+)、(Sr,Ca,Mg)(2)Si(5)N(8):Eu(2+)、(Sr,Mg,Ba)(2)Si(5)N(8):Eu(2+)和(Ca,Ba,Mg)(2)Si(5)N(8):Eu(2+)。当前的纯氮化物基系统不允许使用传统的基于液体溶液的高通量实验，因此采用了专门设计的固态高通量粉末分配合成技术。结果，在没有跳过成分的情况下，根据光致发光（PL）强度和颜色色度，成功开发了四个明确的三元组合文库，这为 AE(2)Si(5)N(8):Eu(2+)（AE = 碱土金属）荧光粉的 PL 性能和组成之间提供了定量关系。