Literature DB >> 30997460

pH-Dependent structure of water-exposed surfaces of CdSe quantum dots.

Dana E Westmoreland1, Rikkert J Nap, Francesca Arcudi, Igal Szleifer, Emily A Weiss.   

Abstract

Increasing negative charge density at the surfaces of CdSe quantum dots (QDs) effects a bathochromic shift of their ground state optical spectra with increasing pH due to electrostatic and chemical modifications at the QD surface. These modifications are enabled by weakly-bound ligands that expose the surface to the aqueous environment.

Entities:  

Year:  2019        PMID： 30997460      PMCID： PMC6556383          DOI： 10.1039/c9cc01339c

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  16 in total

1.  One-pot, low-temperature synthesis of self-doped NaTaO3 nanoclusters for visible-light-driven photocatalysis.

Authors:  Jianqiang Wang; Shuangyue Su; Bing Liu; Minhua Cao; Changwen Hu
Journal:  Chem Commun (Camb)       Date:  2013-09-14       Impact factor: 6.222

Review 2.  Strategies for interfacing inorganic nanocrystals with biological systems based on polymer-coating.

Authors:  Goutam Palui; Fadi Aldeek; Wentao Wang; Hedi Mattoussi
Journal:  Chem Soc Rev       Date:  2014-07-16       Impact factor: 54.564

Review 3.  Electrostatics at the nanoscale.

Authors:  David A Walker; Bartlomiej Kowalczyk; Monica Olvera de la Cruz; Bartosz A Grzybowski
Journal:  Nanoscale       Date:  2011-02-14       Impact factor: 7.790

4.  Preparation of compact biocompatible quantum dots using multicoordinating molecular-scale ligands based on a zwitterionic hydrophilic motif and lipoic acid anchors.

Authors:  Naiqian Zhan; Goutam Palui; Hedi Mattoussi
Journal:  Nat Protoc       Date:  2015-05-14       Impact factor: 13.491

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

Authors:  Jose Aldana; Natasha Lavelle; Yunjun Wang; Xiaogang Peng
Journal:  J Am Chem Soc       Date:  2005-03-02       Impact factor: 15.419

6.  Photocatalytic Conversion of Nitrobenzene to Aniline through Sequential Proton-Coupled One-Electron Transfers from a Cadmium Sulfide Quantum Dot.

Authors:  Stephen C Jensen; Stephanie Bettis Homan; Emily A Weiss
Journal:  J Am Chem Soc       Date:  2016-01-29       Impact factor: 15.419

7.  Electrostatic Control of Excitonic Energies and Dynamics in a CdS Quantum Dot through Reversible Protonation of Its Ligands.

Authors:  Christopher M Thompson; Mohamad Kodaimati; Dana Westmoreland; Raul Calzada; Emily A Weiss
Journal:  J Phys Chem Lett       Date:  2016-09-23       Impact factor: 6.475

8.  Characterization of photochemical processes for H2 production by CdS nanorod-[FeFe] hydrogenase complexes.

Authors:  Katherine A Brown; Molly B Wilker; Marko Boehm; Gordana Dukovic; Paul W King
Journal:  J Am Chem Soc       Date:  2012-03-15       Impact factor: 15.419

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

Authors:  Nicholas C Anderson; Mark P Hendricks; Joshua J Choi; Jonathan S Owen
Journal:  J Am Chem Soc       Date:  2013-11-26       Impact factor: 15.419

10.  Mechanisms for adsorption of methyl viologen on CdS quantum dots.

Authors:  Mark D Peterson; Stephen C Jensen; David J Weinberg; Emily A Weiss
Journal:  ACS Nano       Date:  2014-02-10       Impact factor: 15.881
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  2 in total

1.  Colloidally Stable CdS Quantum Dots in Water with Electrostatically Stabilized Weak-Binding, Sulfur-Free Ligands.

Authors:  Francesca Arcudi; Dana Emily Westmoreland; Emily Allyn Weiss
Journal:  Chemistry       Date:  2019-10-15       Impact factor: 5.236

2.  Acid-Base Equilibrium and Dielectric Environment Regulate Charge in Supramolecular Nanofibers.

Authors:  Rikkert J Nap; Baofu Qiao; Liam C Palmer; Samuel I Stupp; Monica Olvera de la Cruz; Igal Szleifer
Journal:  Front Chem       Date:  2022-03-16       Impact factor: 5.221
  2 in total

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