Electronic structure and excited state dynamics of cadmium chalcogenide nanorods

KE Shulenberger, MR Jilek, SJ Sherman… - Chemical …, 2023 - ACS Publications
The cylindrical quasi-one-dimensional shape of colloidal semiconductor nanorods (NRs)
gives them unique electronic structure and optical properties. In addition to the band gap …

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 …

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 …

Multiphoton‐Driven Photocatalytic Defluorination of Persistent Perfluoroalkyl Substances and Polymers by Visible Light

Y Arima, Y Okayasu, D Yoshioka, Y Nagai… - Angewandte …, 2024 - Wiley Online Library
Perfluoroalkyl substances (PFASs) and fluorinated polymers (FPs) have been extensively
utilized in various industries, whereas their extremely high stability poses environmental …

Spectroelectrochemistry of CdSe/CdxZn1–xS Nanoplatelets

A Ashokan, J Han, JA Hutchison, P Mulvaney - ACS nano, 2023 - ACS Publications
We report an unexpected enhancement of photoluminescence (PL) in CdSe-based
core/shell nanoplatelets (NPLs) upon electrochemical hole injection. Moderate hole doping …

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 …

Pathways of CdS Quantum Dot Degradation during Photocatalysis: Implications for Enhancing Stability and Efficiency for Organic Synthesis

FY Dou, E Nishiwaki, H Larson, MK Homer… - ACS Applied Nano …, 2024 - ACS Publications
CdS quantum dots (QDs) are widely employed as photocatalysts for reactions such as
hydrogen evolution, and their degradation under aerobic aqueous conditions is well …

Insights into structural defect formation in individual InP/ZnSe/ZnS quantum dots under UV oxidation

H Baek, S Kang, J Heo, S Choi, R Kim, K Kim… - Nature …, 2024 - nature.com
Abstract InP/ZnSe/ZnS quantum dots (QDs) stand as promising candidates for advancing
QD-organic light-emitting diodes (QLED), but low emission efficiency due to their …

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 …

EPR spin trapping of nucleophilic and radical reactions at colloidal metal chalcogenide quantum dot surfaces

CJ Aschendorf, M Degbevi, KV Prather, EY Tsui - Chemical Science, 2023 - pubs.rsc.org
The participation of the surfaces of colloidal semiconductor nanocrystal quantum dots (QDs)
in QD-mediated photocatalytic reactions is an important factor that distinguishes QDs from …