Preparation of chiral quantum dots

Nature Protocols
Mícheál P MoloneyYurii K Gun'ko

Abstract

Chiral quantum dots (QDs) are expected to have a range of potential applications in photocatalysis, as specific antibacterial and cytotoxic drug-delivery agents, in assays, as sensors in asymmetric synthesis and enantioseparation, and as fluorescent chiral nanoprobes in biomedical and analytical technologies. In this protocol, we present procedures for the synthesis of chiral optically active QD nanostructures and their quality control using spectroscopic studies and transmission electron microscopy imaging. We closely examine various synthetic routes for the preparation of chiral CdS, CdSe, CdTe and doped ZnS QDs, as well as of chiral CdS nanotetrapods. Most of these nanomaterials can be produced by a very fast (70 s) microwave-induced heating of the corresponding precursors in the presence of D- or L-chiral stabilizing coating ligands (stabilizers), which are crucial to generating optically active chiral QDs. Alternatively, chiral QDs can also be produced via the conventional hot injection technique, followed by a phase transfer in the presence of an appropriate chiral stabilizer. We demonstrate that the properties, structure and behavior of chiral QD nanostructures, as determined by various spectroscopic techniques, strongly...Continue Reading

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Citations

Jan 9, 2016·ACS Nano·Nozomu SuzukiNicholas A Kotov
Apr 12, 2016·Scientific Reports·Maria V MukhinaYurii K Gun'ko
Aug 25, 2016·ACS Nano·Maria V MukhinaAnatoly V Fedorov
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Apr 6, 2017·Scientific Reports·Ilia A VovkIvan D Rukhlenko
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Jun 22, 2016·Advanced Materials·Xiang Lan, Qiangbin Wang
Mar 18, 2020·Advanced Materials·Yingwei LiRongchao Jin
Nov 9, 2017·Chemical Society Reviews·Yuanhong XuShaojun Guo
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Apr 27, 2017·Scientific Reports·Anvar S BaimuratovIvan D Rukhlenko
Nov 9, 2016·Scientific Reports·Ivan D RukhlenkoAnatoly V Fedorov
Jun 8, 2021·Chemical Science·Hongyu ZhangHua Kuang
Nov 23, 2017·ACS Nano·Mayank Puri, Vivian E Ferry
Apr 25, 2015·Nano Letters·Maria V MukhinaYurii K Gun'ko
May 31, 2019·The Journal of Physical Chemistry Letters·Wenjie ChenPengfei Duan
Apr 25, 2019·ACS Nano·John M AbendrothPrakash Chandra Mondal
Oct 21, 2017·Journal of the American Chemical Society·Huayan YangNanfeng Zheng
Jan 9, 2020·Accounts of Chemical Research·Michelle L SolomonJennifer A Dionne
Feb 27, 2017··Nikita V. TepliakovAnvar S. Baimuratov

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