title: Nucleotide-directed growth of semiconductor nanocrystals.
abstract: We engineer colloidal quantum dot nanocrystals through the choice of biomolecular ligands responsible for nanoparticle nucleation, growth, stabilization, and passivation. We systematically vary the presence of, and thereby elucidate the role of, phosphate groups and a multiplicity of functionalities on the mononucleotides used as ligands. The results provide the basis for synthesis of nanoparticles using precisely controlled synthetic oligonucleotide sequences.
authors.affiliation: Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ontario, Canada M5S 3G4.
authors.forename: Sean
authors.initials: S
authors.lastname: Hinds
authors.forename: Bradford J
authors.initials: BJ
authors.lastname: Taft
authors.forename: Larissa
authors.initials: L
authors.lastname: Levina
authors.forename: Vlad
authors.initials: V
authors.lastname: Sukhovatkin
authors.forename: Chad J
authors.initials: CJ
authors.lastname: Dooley
authors.forename: Marc D
authors.initials: MD
authors.lastname: Roy
authors.forename: Dean D
authors.initials: DD
authors.lastname: MacNeil
authors.forename: Edward H
authors.initials: EH
authors.lastname: Sargent
authors.forename: Shana O
authors.initials: SO
authors.lastname: Kelley
mesh_terms: D000255:Adenosine Triphosphate / Q000737:chemistry; D003460:Crystallization; D003570:Cytidine Triphosphate / Q000737:chemistry; D006160:Guanosine Triphosphate / Q000737:chemistry; D007854:Lead / Q000737:chemistry; D049329:Nanostructures / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*; D045663:Quantum Dots; D012666:Semiconductors; D013440:Sulfides / Q000737:chemistry; D014544:Uridine Triphosphate / Q000737:chemistry
chemical_list: D009711:Nucleotides; D013440:Sulfides; C018391:lead sulfide; D007854:Lead; D003570:Cytidine Triphosphate; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D014544:Uridine Triphosphate