Process for producing semiconductor nanocrystal cores,...

Details Process for producing semiconductor nanocrystal cores,... Process for producing semiconductor nanocrystal cores,...

2007-03-20

2007-03-20

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C556S020000, C556S030000, C556S174000, C556S176000, C556S182000, C117S068000, C117S070000, C117S104000

Reexamination Certificate

active

10804629

ABSTRACT:
A process for producing semiconductor nanocrystal cores, core-shell, core-buffer-shell, and multiple layer systems is disclosed. The process involves a non-coordinating solvent and in situ surfactant generation.

REFERENCES:
patent: 5474591 (1995-12-01), Wells et al.
patent: 5505928 (1996-04-01), Alivisatos et al.
patent: 6126740 (2000-10-01), Schulz et al.
patent: 6207229 (2001-03-01), Bawendi et al.
patent: 6225198 (2001-05-01), Alivisatos et al.
patent: 6306736 (2001-10-01), Alivisatos et al.
patent: 6576291 (2003-06-01), Bawendi et al.
patent: 6607829 (2003-08-01), Bawendi et al.
patent: 6682596 (2004-01-01), Zehnder et al.
patent: 6911082 (2005-06-01), Sato et al.
patent: 2002/0066401 (2002-06-01), Peng et al.
patent: 2003/0097976 (2003-05-01), Zehnder et al.
patent: WO 02/25745 (2002-03-01), None
patent: WO 02/29140 (2002-04-01), None
patent: WO 03/012006 (2003-02-01), None
Li et al., “Large-Scale Synthesis of Nearly Monodisperse CdSe/CdS Core/Shell Nanocrystals Using Air-Stable Reagents via Successive Ion Layer Adsorption and Reaction,”J. Am. Chem. Soc., 125:12567-12575 (2003).
Borchert et al., “Investigation of ZnS Passivated InP Nanocrystals by XPS,”Nano Lett., 2:151-154 (2002).
Haubold et al., “Strongly Luminescent InP/ZnS Core-Shell Nanoparticles,”Chem. Phys. Chem., 5:331-334 (2001).
Mićić et al., “Core-Shell Quantum Dots of Lattice-Matched ZnCdSe2Shells on InP Cores: Experiment and Theory,”J. Phys. Chem. B, 104:12149-12156 (2000).
Beachley et al., “Chemistry of In(C5H5)3and Some Heteroleptic Organoindium (III) Derivatives Crystal and Molecular Structures of In(C5H5)3, (C5H5)3In·PPh3, and (Me3CCH2)2In(C5H5),”Organometallics, 21:4632-4640 (2002).
Battaglia et al., “Formation of High Quality InP and InAs Nanocrystals in a Noncoordinaing Solvent,”Nano Lett., 2:1027-1030 (2002).
Coates, “Trimethylgallium. Part I. The Relative Stabilities of its Coordination Compounds with the Methyl Derivatives of Groups VB and VIB, and the Thermal Decomposition of Some Trimethylgallium-Amine Complexes,”J. Chem. Soc., pp. 2003-2013 (1951).
Park et al., “Cis-Trans Isomerization and Structure of Dimeric [Me2Ga(μ-NH1Bu)]2,”Organometallics, 11:3320-3323 (1992).
Coates et al., “Trimethylgallium. Part III. Reaction with Diphenylphosphine and -arsine,”J. Chem. Soc., pp. 233-237 (1963).
Waggoner et al., “Reactions of Trimethylaluminum or Trimethylgallium with Bulky Primary Amines: Structural Characterization of the Thermolysis Products,”J. Am. Chem. Soc., 113:3385-3393 (1991).
Beachley et al., “Room Temperature Cyclopentadiene Elimination Reaction for the Synthesis of Diethylgallium-Amides, -Phosphides, and -Thiolates. Crystal and Molecular Structures of [Et2GaP(t-Bu)2]2and [Et2GaS(SiPh3)]2,”Organometallics, 15:3653-3658 (1996).
Maury et al., “Raman Spectroscopy Characterization of Polycrystalline GaP Thin Films Grown By MO-CVD Process Using [Et2Ga -PEt2]3as Only Source,”J. Phys.(Paris), 43:CI-347-CI-352 (1982).
Maury et al., “Synthesis and Characterization of Diethylphosphino Ga(III) and In(III) Complexes woth Covalent Metal-Phosphorous Bonds,”Polyhedron, 3:581-584 (1984).
Storr et al., “Cyclic Imino Derivatives of Aluminium, Gallium, and Indium Dialkyls,”J. Chem. Soc., pp. 3850-3854 (1971).
Storr, “Trimeric Methylaminogallane, (MeNHGaH2)3and Related Compounds,”J. Chem. Soc., pp. 2605-2608 (1968).
Beachley et al., “Use of Me2Ga(C5H5) To Prepare (Me2GaERR')n(E=N, P) at or Below Room Temperature and the Crystal and Molecular Structure of [Me2GaP(Me)(Ph)]3,”Organometallics, 12:1976-1980 (1993).
Beachley et al., “Cyclopentadiene Elimination Reaction as a Route to Bis(neopentyl)gallium Phosphides. Crystal and Molecular Structures of (Me3CCH2)2and [(Me3CCH2)2GaP(C6H11)2]2,”Organometallics, 16:3267-3272 (1997).
Beachley et al., “Cyclopentadiene Elimination Reactions for the Preparation of Organoindium(III) Derivatives. Crystal and Molecular Structures of Me2In(acac), (Me3CCH2)2In(acac), (Me)(Me3CCH2)In(acac), and [Me2InNH(t-Bu)]2,”Organometallics, 22:3991-4000 (2003).
Beachley et al., “Chemistry of Indium(III) Tris(cyclopentadienide). Reactions with Diphenylphosphine,tert-Butyl Alcohol, and Acetylacetone. Cyclopentadiene and Reductive Elimination Reactions,”Organometallics, 22:1690-1695 (2003).
Furis et al., “Spectroscopic Studies of InP Nanocrystals Synthesized Through a Fast Reaction,” Proceedings of the MRS-Materials Research Symposuim, (2003) (Abstract).
Cartwright et al., “Ultrafast Dynamics in Nanostructured Materials,” Proceedings of SPIE-The International Society for Optical Engineering, 5222(Nanocrystals, and Organic and Hybrid Nanomaterials), 134-139 (2003) (Abstract).

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