Gallium – a versatile element for tuning the photoluminescence properties of InP quantum dots

2019 ◽  
Vol 55 (11) ◽  
pp. 1663-1666 ◽  
Author(s):  
K. David Wegner ◽  
Stéphanie Pouget ◽  
Wai Li Ling ◽  
Marie Carrière ◽  
Peter Reiss

Depending on the gallium precursor, the photoluminescence of indium phosphide quantum dots is either blue- or red-shifted.

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Yongju Kwon ◽  
Sungjee Kim

AbstractThis paper reviews developments in the synthesis of InP quantum dots (QDs) and research on InP magic-sized clusters (MSCs), which occur as intermediates during the growth of InP QDs. We classify research on InP MSCs into (1) synthesis and characterization and (2) applications. Several InP MSCs have been developed using low reaction temperatures or strong binding ligands. InP MSCs passivated by carboxylate, amine or phosphonate ligands and InP MSCs that incorporate heterogeneous atoms (Cl or Zn) have been synthesized. We also review tools to characterize MSCs and show the intermediate characteristics of InP MSCs. InP MSCs have been used as synthesis precursors for spherical InP QDs and nonspherical InP nanostructures, such as elongated, branched, and hyperbranched/dendrimer-like morphologies. We also present MSC-mediated growth mechanisms involving fragments, monomers or other nanoclusters. Research on the chemistry and applications of InP MSCs has uncovered the formation process of InP nanomaterials. Developments in the luminescent properties of InP MSCs, InP QDs and elongated InP nanostructures would be useful in displays.


2021 ◽  
pp. 118647
Author(s):  
Hyeongkyu Cho ◽  
Sungmin Jung ◽  
Misung Kim ◽  
Hyekyeong Kwon ◽  
Jiwon Bang

Author(s):  
Seung-Wan Choi ◽  
Hyun-Min Kim ◽  
Suk-Young Yoon ◽  
Dae-Yeon Jo ◽  
Sun-Kyo Kim ◽  
...  

Thanks to the synthetic maturity and environmental benignity of indium phosphide (InP) quantum dots (QDs), they have acquired a dominant position as efficient, sustainable visible emitters for next-generation display devices....


2021 ◽  
Author(s):  
Huiqi Wang ◽  
Duo An ◽  
Mei Wang ◽  
Liwen Sun ◽  
Ying Li ◽  
...  

Crystalline borophene quantum dots with two-photo fluorescence and their derivative boron nanospheres with hydrazine hydrate-dependent photoluminescence properties were prepared by efficient high-power sonication method combined with chemical exfoliation and one-step...


2020 ◽  
Vol 18 ◽  
pp. 100488 ◽  
Author(s):  
Juan Jesús Gallardo ◽  
Eduardo Blanco ◽  
Antonio Sánchez-Coronilla ◽  
José Carlos Pinero ◽  
Javier Navas

Author(s):  
Cong Shen ◽  
Yan Qing Zhu ◽  
Zixiao Li ◽  
Jingling Li ◽  
Hong Tao ◽  
...  

InP quantum dots (QDs) are considered as the most promising alternative to Cd-based QDs with the lower toxicity and emission spectrum tunability ranging from visible to near-infrared region. Although high-quality...


ACS Nano ◽  
2009 ◽  
Vol 3 (3) ◽  
pp. 502-510 ◽  
Author(s):  
Ken-Tye Yong ◽  
Hong Ding ◽  
Indrajit Roy ◽  
Wing-Cheung Law ◽  
Earl J. Bergey ◽  
...  

2014 ◽  
Vol 989-994 ◽  
pp. 623-625
Author(s):  
Ke Bi ◽  
Wen Yan Liu ◽  
Tian Yue Xu ◽  
Tie Qiang Zhang ◽  
Yu Zhang

.In this research, ZnCuInS/ZnSe/ZnS quantum dots (QDs) have been studied as an excellent red emitting source for blue GaN LED because of its non-toxic deep red emmission, and large Stokes shift properties. In the paper ZnCuInS/ZnSe/ZnS core/shell quantum dots were prepared with the particle size of 4.5nm. According to the measurement of photoluminescence spectrum emitted by ZnCuInS/ZnSe/ZnS core/shell quantum dots, the emitting peak of 700 nm and the full was achieved as red emitter.It was found that absorption edge and photoluminescence peak shifted to shorter wavelength with decreasing the nanocrystal size due to quantum size effect.Meanwhile, we were prepared ZnCuInS/ZnSe/ZnS core/shell quantum dot light emitting diodes and their photoluminescence properties were studied. After the suitable bias was applied on the films, increasing the ZnCuInS/ZnSe/ZnS QDs concentration in the blue GaN chips, red emission increased with decreasing LED’s blue light.


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