Synthesis of Mn-Doped ZnSe-ZnS Alloy Quantum Dots by a Hydrothermal Method

被引：12

作者：

Nishimura, Hisaaki ^{[1
]}

Lin, Yuxin ^{[1
]}

Hizume, Masayuki ^{[1
]}

Taniguchi, Taichi ^{[1
]}

Shigekawa, Naoteru ^{[1
]}

Takagi, Tomomi ^{[2
]}

Sobue, Susumu ^{[2
]}

Kawai, Shoichi ^{[2
]}

Okuno, Eiichi ^{[2
]}

Kim, DaeGwi ^{[1
]}

机构：

[1] Osaka City Univ, Grad Sch Engn, Dept Appl Phys, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

[2] DENSO CORP, Adv Res & Innovat Ctr, 500-1 Minamiyama,Komenoki Cho, Nisshin, Aichi 4700111, Japan

来源：

CHEMISTRY LETTERS | 2019年 / 48卷 / 09期

基金：

日本学术振兴会;

关键词：

Mn doping; Alloy quantum dots; Wavelength conversion material; OPTICAL-PROPERTIES; PERFORMANCE;

D O I：

10.1246/cl.190365

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study aims to report the hydrothermal synthesis of water-soluble Mn-doped ZnSe-ZnS alloy quantum dots (QDs), wherein manganese (Mn2+) serves as an emission center. The alloy composition was controlled by the mixing ratio of ZnSe:Mn and ZnS:Mn precursor solutions. The photoluminescence (PL) band originating from the d-d transition in Mn2+ was clearly observed. With an increase in the amount of ZnS in the alloy QDs, the absorption onset energy shifted toward higher energy, demonstrating the successful preparation of alloy QDs, and Mn PL intensity increased as well.

引用

页码：1081 / 1083

页数：3

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