Ligand induced circular dichroism and circularly polarized luminescence in CdSe quantum dots

U Tohgha, KK Deol, AG Porter, SG Bartko, JK Choi… - ACS …, 2013 - ACS Publications
Chiral thiol capping ligands l-and d-cysteines induced modular chiroptical properties in
achiral cadmium selenide quantum dots (CdSe QDs). Cys-CdSe prepared from achiral oleic …

Achiral CdSe quantum dots exhibit optical activity in the visible region upon post-synthetic ligand exchange with D-or L-cysteine

U Tohgha, K Varga, M Balaz - Chemical Communications, 2013 - pubs.rsc.org
Semiconductor cadmium selenide (CdSe) quantum dots (QDs) exhibited mirror-image
circular dichroism (CD) spectra in the visible region (350–570 nm) after replacing the …

Chirality inversion of CdSe and CdS quantum dots without changing the stereochemistry of the capping ligand

JK Choi, BE Haynie, U Tohgha, L Pap, KW Elliott… - ACS …, 2016 - ACS Publications
l-cysteine derivatives induce and modulate the optical activity of achiral cadmium selenide
(CdSe) and cadmium sulfide (CdS) quantum dots (QDs). Remarkably, N-acetyl-l-cysteine …

CdSe quantum dots functionalized with chiral, thiol-free carboxylic acids: unraveling structural requirements for ligand-induced chirality

K Varga, S Tannir, BE Haynie, BM Leonard… - ACS …, 2017 - ACS Publications
Functionalization of colloidal quantum dots (QDs) with chiral cysteine derivatives by phase-
transfer ligand exchange proved to be a simple yet powerful method for the synthesis of …

Impact of shell thickness on photoluminescence and optical activity in chiral CdSe/CdS core/shell quantum dots

F Purcell-Milton, AK Visheratina, VA Kuznetsova… - ACS …, 2017 - ACS Publications
Core/shell quantum dots (QDs) are of high scientific and technological importance as these
nanomaterials have found a number of valuable applications. In this paper, we have …

Circular dichroism of CdSe nanocrystals bound by chiral carboxylic acids

M Puri, VE Ferry - ACS nano, 2017 - ACS Publications
Chiral semiconductor nanocrystals, or quantum dots (QDs), are promising materials for
applications in biological sensing, photonics, and spin-polarized devices. Many of these …

Optically active CdSe-dot/CdS-rod nanocrystals with induced chirality and circularly polarized luminescence

J Cheng, J Hao, H Liu, J Li, J Li, X Zhu, X Lin, K Wang… - ACS …, 2018 - ACS Publications
Ligand-induced chirality in semiconductor nanocrystals (NCs) has attracted attention
because of the tunable optical properties of the NCs. Induced circular dichroism (CD) has …

Effect of chiral ligand concentration and binding mode on chiroptical activity of CdSe/CdS quantum dots

VA Kuznetsova, E Mates-Torres, N Prochukhan… - ACS …, 2019 - ACS Publications
Chiroptically active fluorescent semiconductor nanocrystals, quantum dots (QDs), are of high
interest from a theoretical and technological point of view, because they are promising …

Fluorescence and optical activity of chiral CdTe quantum dots in their interaction with amino acids

G Li, X Fei, H Liu, J Gao, J Nie, Y Wang, Z Tian, C He… - ACS …, 2020 - ACS Publications
Ligand-induced chirality in semiconducting nanocrystals has been the subject of extensive
study in the past few years and shows potential applications in optics and biology. Yet, the …

Ligand-induced chirality in asymmetric CdSe/CdS nanostructures: a close look at chiral tadpoles

J Hao, Y Li, J Miao, R Liu, J Li, H Liu, Q Wang, H Liu… - ACS …, 2020 - ACS Publications
Ligand-induced chirality in asymmetric CdSe/CdS core–shell nanocrystals (NCs) has been
extensively applied in chiral biosensors, regioselective syntheses and assemblies, circularly …