Doped Nanocrystals as Plasmonic Probes of Redox Chemistry

Doped Nanocrystals as Plasmonic Probes of Redox Chemistry

A (nano)crystal‐clear view: With doped semiconductor nanocrystals, local chemical events can be probed through their perturbation of the carrier density of the nanocrystal. Examples demonstrate that redox processes and ligand chemistry can induce changes in the vacancy density within copper(I) sulfi...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-12, Vol.52 (51), p.13671-13675
Hauptverfasser: Jain, Prashant K., Manthiram, Karthish, Engel, Jesse H., White, Sarah L., Faucheaux, Jacob A., Alivisatos, A. Paul
Format: Artikel
Sprache:eng
Schlagworte:
copper sulfide
CRYSTAL STRUCTURE
Density
DOPING
ion exchange
LIGANDS
Nanocrystals
Nanorods
Plasmonics
Plasmons
semiconductor plasmons
SEMICONDUCTORS
SULFIDES
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Beschreibung
Zusammenfassung:A (nano)crystal‐clear view: With doped semiconductor nanocrystals, local chemical events can be probed through their perturbation of the carrier density of the nanocrystal. Examples demonstrate that redox processes and ligand chemistry can induce changes in the vacancy density within copper(I) sulfide nanorods, allowing such events to be detected by strong shifts in localized surface plasmon resonance.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201303707