Synthesis of germanium nanoclusters with irreversibly attached functional groups: Acetals, alcohols, esters, and polymers

Robin S. Tanke, Susan M. Kauzlarich, Timothy E. Patten, Katherine A. Pettigrew, Drew L. Murphy, Mark E. Thompson, Howard W H Lee

Research output: Contribution to journalArticle

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Abstract

Germanium nanoclusters of average diameter 4 nm were prepared with covalently bound termination groups. Chloride-terminated nanoclusters were reacted with a Grignard reagent to form acetal-containing surface-terminated nanoclusters. Treatment with acid yielded hydroxyl-containing surface-terminated nanoclusters, and treatment with an acid bromide and base yielded an ester-containing surface-terminated nanocluster. Atom transfer radical polymerization (ATRP) was used to graft polymer chains from the surfaces of the nanoparticles to yield hybrid nanostructures. Changes of the termination group in the nanoclusters did not alter the photophysics of the original nanoclusters, a result that is consistent with a stable nanocluster surface. The nanoclusters were characterized by HRTEM (high-resolution transmission electron microscopy), NMR, FTIR, UV-vis, and fluorescence spectroscopy.

Original languageEnglish (US)
Pages (from-to)1682-1689
Number of pages8
JournalChemistry of Materials
Volume15
Issue number8
DOIs
StatePublished - Apr 22 2003

Fingerprint

Germanium
Acetals
Nanoclusters
Functional groups
Esters
Polymers
Alcohols
Acids
Atom transfer radical polymerization
Graft copolymers
Fluorescence spectroscopy
High resolution transmission electron microscopy
Ultraviolet spectroscopy
Bromides
Hydroxyl Radical
Chlorides
Nanostructures
Nuclear magnetic resonance
Nanoparticles

ASJC Scopus subject areas

  • Materials Science(all)
  • Materials Chemistry

Cite this

Tanke, R. S., Kauzlarich, S. M., Patten, T. E., Pettigrew, K. A., Murphy, D. L., Thompson, M. E., & Lee, H. W. H. (2003). Synthesis of germanium nanoclusters with irreversibly attached functional groups: Acetals, alcohols, esters, and polymers. Chemistry of Materials, 15(8), 1682-1689. https://doi.org/10.1021/cm021778h

Synthesis of germanium nanoclusters with irreversibly attached functional groups : Acetals, alcohols, esters, and polymers. / Tanke, Robin S.; Kauzlarich, Susan M.; Patten, Timothy E.; Pettigrew, Katherine A.; Murphy, Drew L.; Thompson, Mark E.; Lee, Howard W H.

In: Chemistry of Materials, Vol. 15, No. 8, 22.04.2003, p. 1682-1689.

Research output: Contribution to journalArticle

Tanke, RS, Kauzlarich, SM, Patten, TE, Pettigrew, KA, Murphy, DL, Thompson, ME & Lee, HWH 2003, 'Synthesis of germanium nanoclusters with irreversibly attached functional groups: Acetals, alcohols, esters, and polymers', Chemistry of Materials, vol. 15, no. 8, pp. 1682-1689. https://doi.org/10.1021/cm021778h
Tanke, Robin S. ; Kauzlarich, Susan M. ; Patten, Timothy E. ; Pettigrew, Katherine A. ; Murphy, Drew L. ; Thompson, Mark E. ; Lee, Howard W H. / Synthesis of germanium nanoclusters with irreversibly attached functional groups : Acetals, alcohols, esters, and polymers. In: Chemistry of Materials. 2003 ; Vol. 15, No. 8. pp. 1682-1689.
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