Next Article in Journal
Synthesis, Structural Features, and Catalytic Activity of an Iron(II) 3D Coordination Polymer Driven by an Ether-Bridged Pyridine-Dicarboxylate
Previous Article in Journal
Crystal Structure, Stability and Desolvation of the Solvates of Sorafenib Tosylate
Previous Article in Special Issue
Determination of Crystal Growth Geometry Factors and Nucleation Site Densities of Electrodeposited Ferromagnetic Cobalt Nanowire Arrays
Open AccessArticle

Synthesis and Study of CdSe QDs by a Microfluidic Method and via a Bulk Reaction

1
Materials Genome Institute, Shanghai University, Chengzhong Road, Shanghai 201800, China
2
ETH Zurich, 8093 Zurich, Switzerland
3
The Hong Kong University of Science and Technology Clear Water Bay, Kowloon, Hong Kong
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Crystals 2019, 9(7), 368; https://doi.org/10.3390/cryst9070368
Received: 11 June 2019 / Revised: 15 July 2019 / Accepted: 17 July 2019 / Published: 18 July 2019
(This article belongs to the Special Issue Nanowires and Quantum Dots for IoT Applications)
  |  
PDF [3743 KB, uploaded 19 July 2019]
  |  

Abstract

In this work, we synthesized monodispersed CdSe quantum dots (QDs) by a microfluidic method and via a bulk reaction. The structures of the CdSe QDs were characterized by X-ray powder diffraction (XRD) and high-resolution transmission electron microscopy (HR-TEM). The optical properties of the prepared CdSe QDs were determined using ultraviolet-visible absorption spectroscopy and photoluminescence spectroscopy. The CdSe QDs obtained by the microfluidic method have a faster crystal growth rate and a higher absolute photoluminescence quantum yield than those obtained via the bulk reaction. Additionally, we investigated the growth process of the CdSe QDs with increasing residence times. View Full-Text
Keywords: CdSe; quantum dots; quantum yield; microfluidic CdSe; quantum dots; quantum yield; microfluidic
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Liu, J.; Gu, Y.; Wu, Q.; Wang, X.; Zhao, L.; deMello, A.; Wen, W.; Tong, R.; Gong, X. Synthesis and Study of CdSe QDs by a Microfluidic Method and via a Bulk Reaction. Crystals 2019, 9, 368.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Crystals EISSN 2073-4352 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top