Reaction chemistry and ligand exchange at cadmium− selenide nanocrystal surfaces

JS Owen, J Park, PE Trudeau… - Journal of the American …, 2008 - ACS Publications
The surface chemistry of cadmium selenide nanocrystals, prepared from tri-n-
octylphosphine selenide and cadmium octadecylphosphonate in tri-n-octylphosphine oxide …

Size-dependent dissociation pH of thiolate ligands from cadmium chalcogenide nanocrystals

J Aldana, N Lavelle, Y Wang… - Journal of the American …, 2005 - ACS Publications
A method, pseudo steady-state titration, is introduced for determining the precipitation pH of
nanocrystals coated by electron-donating ligands. CdSe nanocrystals coated with …

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 …

Tight binding of carboxylate, phosphonate, and carbamate anions to stoichiometric CdSe nanocrystals

PE Chen, NC Anderson, ZM Norman… - Journal of the American …, 2017 - ACS Publications
To completely displace the carboxylate surface ligands from cadmium selenide
nanocrystals, oleic acid impurities are first removed using dimethylcadmium or diethylzinc. In …

Semiconductor nanocrystals covalently bound to metal surfaces with self-assembled monolayers

VL Colvin, AN Goldstein… - Journal of the American …, 1992 - ACS Publications
A method is described for attaching semiconductor nanocrystals to metalsurfaces using self-
assembled difunctional organic monolayers as bridge compounds. Three different …

Colloidal CdSe nanoplatelets, a model for surface chemistry/optoelectronic property relations in semiconductor nanocrystals

S Singh, R Tomar, S Ten Brinck, J De Roo… - Journal of the …, 2018 - ACS Publications
While the surface termination of quasi-spherical metal chalcogenide nanocrystals or
quantum dots has been widely investigated, it remains unclear whether the ensuing surface …

Stabilization of inorganic nanocrystals by organic dendrons

YA Wang, JJ Li, H Chen, X Peng - Journal of the American …, 2002 - ACS Publications
A series of hydrophilic organic dendron ligands was designed and synthesized for
stabilizing high-quality semiconductor and noble metal nanocrystals. The focal point of the …

Chelating ligands for nanocrystals' surface functionalization

C Querner, P Reiss, J Bleuse… - Journal of the American …, 2004 - ACS Publications
A new family of ligands for the surface functionalization of CdSe nanocrystals is proposed,
namely alkyl or aryl derivatives of carbodithioic acids (R− C (S) SH). The main advantages of …

Ligand exchange and the stoichiometry of metal chalcogenide nanocrystals: spectroscopic observation of facile metal-carboxylate displacement and binding

NC Anderson, MP Hendricks, JJ Choi… - Journal of the American …, 2013 - ACS Publications
We demonstrate that metal carboxylate complexes (L–M (O2CR) 2, R= oleyl, tetradecyl, M=
Cd, Pb) are readily displaced from carboxylate-terminated ME nanocrystals (ME= CdSe …

Investigation of the surface morphology of capped CdSe nanocrystallites by 31P nuclear magnetic resonance

LR Becerra, CB Murray, RG Griffin… - The Journal of chemical …, 1994 - pubs.aip.org
Room temperature 31 P magic angle sample spinning (MAS) nuclear magnetic resonance
(NMR) is used to study the phosphine chalconide species coordinating the surface of CdSe …