Semiconductor nanocrystals for small molecule activation via artificial photosynthesis

XB Li, ZK Xin, SG Xia, XY Gao, CH Tung… - Chemical Society …, 2020 - pubs.rsc.org
Facile activation and conversion of small molecules (eg, H2O, CO2, N2, CH4, and C6H6)
into solar fuels or value-added chemicals under mild conditions is an attractive pathway in …

Excited-state dynamics in colloidal semiconductor nanocrystals

FT Rabouw, C de Mello Donega - Topics in Current Chemistry, 2016 - Springer
Colloidal semiconductor nanocrystals have attracted continuous worldwide interest over the
last three decades owing to their remarkable and unique size-and shape-, dependent …

Design Principles for Trap-Free CsPbX3 Nanocrystals: Enumerating and Eliminating Surface Halide Vacancies with Softer Lewis Bases

DP Nenon, K Pressler, J Kang… - Journal of the …, 2018 - ACS Publications
We introduce a general surface passivation mechanism for cesium lead halide perovskite
materials (CsPbX3, X= Cl, Br, I) that is supported by a combined experimental and …

On the origin of surface traps in colloidal II–VI semiconductor nanocrystals

AJ Houtepen, Z Hens, JS Owen, I Infante - Chemistry of Materials, 2017 - ACS Publications
One of the greatest challenges in the field of semiconductor nanomaterials is to make trap-
free nanocrystalline structures to attain a remarkable improvement of their optoelectronic …

Molecular-level insight into semiconductor nanocrystal surfaces

CL Hartley, ML Kessler… - Journal of the American …, 2021 - ACS Publications
Semiconductor nanocrystals exhibit attractive photophysical properties for use in a variety of
applications. Advancing the efficiency of nanocrystal-based devices requires a deep …

Quantifying ligand exchange reactions at CdSe nanocrystal surfaces

RR Knauf, JC Lennox, JL Dempsey - Chemistry of Materials, 2016 - ACS Publications
The exchange reactions of X-type ligands at the surface of CdSe nanocrystals have been
quantified via 1H NMR, absorbance, and emission spectroscopies. 1H NMR was used to …

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 …

A library of selenourea precursors to PbSe nanocrystals with size distributions near the homogeneous limit

MP Campos, MP Hendricks, AN Beecher… - Journal of the …, 2017 - ACS Publications
We report a tunable library of N, N, N′-trisubstituted selenourea precursors and their
reaction with lead oleate at 60–150° C to form carboxylate-terminated PbSe nanocrystals in …

Deciphering Surface Ligand Density of Colloidal Semiconductor Nanocrystals: Shape Matters

W Chen, H Xiao, M Zhang, C Wang… - Journal of the …, 2024 - ACS Publications
Surface chemistry of colloidal semiconductor nanocrystals (NCs) is of paramount importance
because it profoundly impacts their physical and chemical properties, processing, and …

From ligands to binding motifs and beyond; the enhanced versatility of nanocrystal surfaces

J De Roo, K De Keukeleere, Z Hens… - Dalton …, 2016 - pubs.rsc.org
Surface chemistry bridges the gap between nanocrystal synthesis and their applications. In
this respect, the discovery of complex ligand binding motifs on semiconductor quantum dots …