CdS quantum dots as potent photoreductants for organic chemistry enabled by auger processes

JK Widness, DG Enny… - Journal of the …, 2022 - ACS Publications
Strong reducing agents (<− 2.0 V vs saturated calomel electrode (SCE)) enable a wide array
of useful organic chemistry, but suffer from a variety of limitations. Stoichiometric metallic …

[HTML][HTML] Plasmonic semiconductors for advanced artificial photosynthesis

N Zhang, Y Xiong - Advanced Sensor and Energy Materials, 2023 - Elsevier
Plasmonic semiconductors with high free carrier concentration is a class of attractive
materials that exhibit metal-like localized surface plasmon resonance (LSPR) for light …

Guilty as Charged: The Role of Undercoordinated Indium in Electron-Charged Indium Phosphide Quantum Dots

M Stam, I du Fossé, I Infante, AJ Houtepen - ACS nano, 2023 - ACS Publications
Quantum dots (QDs) are known for their size-dependent optical properties, narrow emission
bands, and high photoluminescence quantum yield (PLQY), which make them interesting …

Switching between plasmonic and fluorescent copper sulfide nanocrystals

W Van Der Stam, S Gudjonsdottir… - Journal of the …, 2017 - ACS Publications
Control over the doping density in copper sulfide nanocrystals is of great importance and
determines its use in optoelectronic applications such as NIR optical switches and …

Photocharging of colloidal CdS nanocrystals

KE Shulenberger, HR Keller, LM Pellows… - The Journal of …, 2021 - ACS Publications
The generation of reduced semiconductor nanocrystals is of interest for a variety of
optoelectronic applications. In comparison to other nanocrystalline materials, little work has …

Insights into the structural complexity of colloidal CdSe nanocrystal surfaces: correlating the efficiency of nonradiative excited-state processes to specific defects

M Saniepay, C Mi, Z Liu, EP Abel… - Journal of the American …, 2018 - ACS Publications
II–VI colloidal semiconductor nanocrystals (NCs), such as CdSe NCs, are often plagued by
efficient nonradiative recombination processes that severely limit their use in energy …

Photoinduced charge transfer from quantum dots measured by cyclic voltammetry

MK Homer, DY Kuo, FY Dou… - Journal of the American …, 2022 - ACS Publications
Measuring and modulating charge-transfer processes at quantum dot interfaces are crucial
steps in developing quantum dots as photocatalysts. In this work, cyclic voltammetry under …

Role of Surface Reduction in the Formation of Traps in n-Doped II–VI Semiconductor Nanocrystals: How to Charge without Reducing the Surface

I Du Fossé, S Ten Brinck, I Infante… - Chemistry of …, 2019 - ACS Publications
The efficiency of nanocrystal (NC)-based devices is often limited by the presence of surface
states that lead to localized energy levels in the bandgap. Yet, a complete understanding of …

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 …

Spectroelectrochemistry of Colloidal CdSe Quantum Dots

A Ashokan, P Mulvaney - Chemistry of Materials, 2021 - ACS Publications
Solution-phase spectroelectrochemistry was used to study electron injection into colloidal
CdSe quantum dots (QDs) with sizes ranging from 3.4 to 11.1 nm in tetrahydrofuran (THF) …