The H-D-isotope effect of heavy water affecting ligand-mediated nanoparticle formation in SANS and NMR experiments

Sebastian W.D. Krauss; Mirco Eckardt; Johannes Will; Erdmann Spiecker; Renée Siegel; Martin Dulle; Ralf Schweins; Brian R. Pauw; Jürgen Senker; Mirijam Zobel

doi:10.1039/d3nr02419a

January 1, 2023Nanoscale

The H-D-isotope effect of heavy water affecting ligand-mediated nanoparticle formation in SANS and NMR experiments

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Key Points

Investigate how substituting heavy water (D2O) for regular water (H2O) affects ligand interactions and cadmium sulfide (CdS) nanoparticle formation.
Synthesized cadmium sulfide (CdS) nanoparticles mediated by EDTA ligands in light water (H2O) and heavy water (D2O).
Characterized complex formation constants and structural behavior using small-angle neutron scattering (SANS) and nuclear magnetic resonance (NMR) spectroscopy.
Replacing H2O with D2O alters the complex building constants between the EDTA ligand and cadmium species.
The solvent isotopic change impacts overall colloidal stability and modifies the formation dynamics of CdS nanoparticles.

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Implication

Experimental study reveals heavy water alters EDTA complexation and CdS nanoparticle stability, highlighting solvent isotope effects in nanoscale synthesis.

Abstract

Changing from H 2 O to D 2 O in CdS nanoparticle formation creates an isotopic effect impacting particle formation. SANS and NMR reveal different complex building constants with the EDTA ligand and how these affect colloidal stability too.

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Krauss et al. (2023) studied this question.

synapsesocial.com/papers/6a6f99045d37378ac1dca82e https://doi.org/10.1039/d3nr02419a

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The H-D-isotope effect of heavy water affecting ligand-mediated nanoparticle formation in SANS and NMR experiments

Key Points

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Cite This Study

The H-D-isotope effect of heavy water affecting ligand-mediated nanoparticle formation in SANS and NMR experiments

Key Points

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Implication

Abstract

Discussion

Cite This Study

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