Functional alkali metal-based ternary chalcogenides: design, properties, and opportunities

H McKeever, NN Patil, M Palabathuni… - Chemistry of …, 2023 - ACS Publications
The search for novel materials has recently brought research attention to alkali metal-based
chalcogenides (ABZ) as a new class of semiconducting inorganic materials. Various …

Ligands on Nanocrystal Surfaces, the 1H Nuclear Magnetic Resonance Fingerprint

Z Hens - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Surfaces are an integral part of colloidal nanocrystals (NCs). Hence,
understanding the binding and packing to NC surfaces of organic ligands, which are often …

Ligand Desorption and Fragmentation in Oleate-Capped CdSe Nanocrystals under High-Intensity Photoexcitation

SM Harvey, JH Olshansky, A Li… - Journal of the …, 2024 - ACS Publications
Semiconductor nanocrystals (NCs) offer prospective use as active optical elements in
photovoltaics, light-emitting diodes, lasers, and photocatalysts due to their tunable optical …

Surface Reconstructions in II–VI Quantum Dots

J Llusar, I du Fossé, Z Hens, A Houtepen, I Infante - ACS nano, 2024 - ACS Publications
Although density functional theory (DFT) calculations have been crucial in our
understanding of colloidal quantum dots (QDs), simulations are commonly carried out on QD …

Entropy of branching out: linear versus branched alkylthiols ligands on CdSe nanocrystals

O Elimelech, O Aviv, M Oded, X Peng, D Harries… - ACS …, 2022 - ACS Publications
Surface ligands of semiconductor nanocrystals (NCs) play key roles in determining their
colloidal stability and physicochemical properties and are thus enablers also for the NCs …

Localizing Oleylamine Ligands on Amine–Halide Copassivated Indium Phosphide Nanocrystals

KC Dümbgen, I Infante, Z Hens - Chemistry of Materials, 2023 - ACS Publications
The surface capping of organic ligands is a full part of a colloidal nanocrystal (NC) that
provides colloidal stability, helps passivating electronic trap-states, or governs charge …

Thermodynamics of the adsorption of cadmium oleate to cadmium sulfide quantum dots and implications of a dynamic ligand shell

JJ Calvin, A Ben-Moshe, EB Curling… - The Journal of …, 2022 - ACS Publications
Adsorbed surface ligands play an important role in determining the chemical and physical
properties of colloidal semiconductor nanocrystals. Most particularly, these ligands influence …

Evidence and Structural Insights into a Ligand-Mediated Phase Transition in the Solvated Ligand Shell of Quantum Dots

JJ Calvin, AB Sedlak, AS Brewer, TM Kaufman… - ACS …, 2024 - ACS Publications
As synthesized, nanocrystal surfaces are typically covered in coordinating organic ligands,
and the degree of packing and order of these ligands are ongoing questions in the field of …

Photoluminescence Enhancement of NIR‐II Emissive Ag2S Quantum Dots via Chloride‐Mediated Growth and Passivation

LJ Pan, JW Tu, LL Yang, ZQ Tian… - Advanced Optical …, 2022 - Wiley Online Library
Ag2S quantum dots (QDs) with high photoluminescence quantum yield (PLQY) in the
second near‐infrared (NIR‐II, 1000–1700 nm) window are urgently pursued. Halide atoms …

Extremely long-lived charge donor states formed by visible irradiation of quantum dots

MK Homer, HC Larson, GJ Dixon, E Miura-Stempel… - ACS …, 2024 - ACS Publications
Using cyclic voltammetry under illumination, we recently demonstrated that CdS quantum
dots (QDs) form charge donor states that live for at least several minutes after illumination …