Electrochemical Activity of Dendrimer-Stabilized Tin Nanoparticles for Lithium Alloying Reactions

The synthesis and characterization of Sn nanoparticles in organic solvents using sixth-generation dendrimers modified on their periphery with hydrophobic groups as stabilizers are reported. Sn(2+):dendrimer ratios of 147 and 225 were employed for the synthesis, corresponding to formation of Sn147 an...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 31(2015), 23 vom: 16. Juni, Seite 6570-6
1. Verfasser: Bhandari, Rohit (VerfasserIn)
Weitere Verfasser: Anderson, Rachel M, Stauffer, Shannon, Dylla, Anthony G, Henkelman, Graeme, Stevenson, Keith J, Crooks, Richard M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The synthesis and characterization of Sn nanoparticles in organic solvents using sixth-generation dendrimers modified on their periphery with hydrophobic groups as stabilizers are reported. Sn(2+):dendrimer ratios of 147 and 225 were employed for the synthesis, corresponding to formation of Sn147 and Sn225 dendrimer-stabilized nanoparticles (DSNs). Transmission electron microscopy analysis indicated the presence of ultrasmall Sn nanoparticles having an average size of 3.0-5.0 nm. X-ray absorption spectroscopy suggested the presence of Sn nanoparticles with only partially oxidized surfaces. Cyclic voltammetry studies of the Sn DSNs for Li alloying/dealloying reactions demonstrated good reversibility. Control experiments carried out in the absence of DSNs clearly indicated that these ultrasmall Sn DSNs react directly with Li to form SnLi alloys 
650 4 |a Journal Article 
700 1 |a Anderson, Rachel M  |e verfasserin  |4 aut 
700 1 |a Stauffer, Shannon  |e verfasserin  |4 aut 
700 1 |a Dylla, Anthony G  |e verfasserin  |4 aut 
700 1 |a Henkelman, Graeme  |e verfasserin  |4 aut 
700 1 |a Stevenson, Keith J  |e verfasserin  |4 aut 
700 1 |a Crooks, Richard M  |e verfasserin  |4 aut 
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