Size-Dependent Optical Properties of InP Colloidal Quantum Dots

被引：25
|
作者：
Almeida, Guilherme [1 ]
van der Poll, Lara [1 ]
Evers, Wiel H. [1 ]
Szoboszlai, Emma [1 ]
Vonk, Sander J. W. [2 ]
Rabouw, Freddy T. [2 ]
Houtepen, Arjan J. [1 ]
机构：
[1] Delft Univ Technol, Fac Appl Sci, Optoelect Mat Sect, NL-2629 HZ Delft, Netherlands
[2] Univ Utrecht, Debye Inst Nanomat Sci, NL-3584 CC Utrecht, Netherlands
来源：
NANO LETTERS | 2023年 / 23卷 / 18期
基金：
荷兰研究理事会;
关键词：
InP; quantum dots; phosphors; absorption; luminescence; EXCITON FINE-STRUCTURE; ABSORPTION; DYNAMICS; YIELD;
D O I：
10.1021/acs.nanolett.3c02630
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Indium phosphide colloidal quantum dots (CQDs) are the main alternative for toxic and restricted Cd based CQDs for lighting and display applications. Here we systematically report on the size-dependent optical absorption, ensemble, and single particle photoluminescence (PL) and biexciton lifetimes of core-only InP CQDs. This systematic study is enabled by improvements in the synthesis of InP CQDs to yield a broad size series of monodisperse core-only InP CQDs with narrow absorption and PL line width and significant PL quantum yield.
引用
收藏
页码：8697 / 8703
页数：7
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