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Size-Dependent Optical Properties of InP Colloidal Quantum Dots
Nano Letters ( IF 9.6 ) Pub Date : 2023-09-06 , DOI: 10.1021/acs.nanolett.3c02630
Guilherme Almeida 1 , Lara van der Poll 1 , Wiel H Evers 1 , Emma Szoboszlai 1 , Sander J W Vonk 2 , Freddy T Rabouw 2 , Arjan J Houtepen 1
Affiliation  

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.

中文翻译:

InP 胶体量子点的尺寸相关光学特性

磷化铟胶体量子点 (CQD) 是照明和显示应用中有毒且受限的镉基 CQD 的主要替代品。在这里,我们系统地报告了纯核 InP CQD 的尺寸依赖性光学吸收、系综、单粒子光致发光 (PL) 和双激子寿命。这项系统研究是通过改进 InP CQD 的合成来实现的,以产生宽尺寸系列的单分散单核 InP CQD,具有窄吸收和 PL 线宽以及显着的 PL​​ 量子产率。
更新日期:2023-09-06
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