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Influence of Engineered Peptides Cadmium Sulfide Nanocrystals
Author(s) -
Spoerke E. D.,
Voigt J. A.
Publication year - 2007
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200600163
Subject(s) - nanocrystal , cadmium sulfide , materials science , cadmium , nanotechnology , aqueous solution , peptide , lead sulfide , sulfide , quantum dot , chemistry , metallurgy , biochemistry
Cadmium sulfide (CdS) nanocrystals continue to generate scientific and technological interest, owing to their valuable optical, electronic, and chemical properties. Aqueous nanocrystal syntheses rely on functional capping agents to control nanocrystal form and function. We present a series of linear and dendritic engineered peptides, rich in cysteines and aspartic acids, as CdS capping agents. The chemical composition and peptide geometry were found to significantly influence CdS nanocrystal size, optical properties, and aggregation behavior.