Investigations on the stability of thiol stabilized semiconductor nanoparticles

Literature Information

Publication Date 2002-09-02
DOI 10.1039/B202101C
Impact Factor 3.676
Authors

Herwig Döllefeld, Kathrin Hoppe, Joanna Kolny, Kristian Schilling, Horst Weller, Alexander Eychmüller


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Abstract

Various analytical methods like analytical ultracentrifugation, UV–vis absorption spectroscopy, NMR spectroscopy, and powder X-ray diffraction have been applied to study the stability of thiol stabilized semiconductor nanoparticles. Reduced particle sizes were found in solution at low concentrations. Most probably the assumed covalently bound thiols desorb from the surface of the particles, leaving behind vulnerable unstabilized particles that might even undergo continuous decay over time. Additionally, breaking of the intra ligand S–C bond could be demonstrated, presenting a cadmium sulfide particle synthesis introducing sulfur only by the ligands without any additional sulfide ions.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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