Abstract: An inorganic nanocrystal solar cell comprising a substrate, a layer of metal, a layer of CdTe, a layer of CdSe, and a layer of transparent conductor. An inorganic nanocrystal solar cell comprising a transparent conductive substrate, a layer of CdSe, a layer of CdTe, and a Au contact. A method of spray deposition for inorganic nanocrystal solar cells comprising subjecting a first solution of CdTe or CdSe nanocrystals to ligand exchange with a small coordinating molecule, diluting the first solution in solvent to form a second solution, applying the second solution to a substrate, drying the substrate, dipping the substrate in a solution in MeOH of a compound that promotes sintering, washing the substrate with iPrOH, drying the substrate with N2, and heating and forming a film on the substrate.

Abstract: A method of spray deposition for inorganic nanocrystal solar cells comprising subjecting a first solution of CdTe or CdSe nanocrystals to ligand exchange with a small coordinating molecule, diluting the first solution in solvent to form a second solution, applying the second solution to a substrate, drying the substrate, dipping the substrate in a solution in MeOH of a compound that promotes sintering, washing the substrate with iPrOH, drying the substrate with N2, and heating and forming a film on the substrate. An inorganic nanocrystal solar cell comprising a substrate, a layer of metal, a layer of CdTe, a layer of CdSe, and a layer of transparent conductor. An inorganic nanocrystal solar cell comprising a transparent conductive substrate, a layer of CdSe, a layer of CdTe, and a Au contact.

Abstract: This disclosure concerns a method of making nanowires in a single flask and in non-coordinating solvent involving the reaction of PbO with oleic acid to produce Pb oleate, heating the Pb oleate to a preferred temperature with additional coordinating ligands, injecting a solution of Se to produce a second solution, heating the second solution, and maintaining the temperature, resulting in nucleation and growth of PbSe nanowires.

Abstract: This disclosure concerns a metal oxide surface treatment with a fluoroalkyl silanizing agent.

Abstract: The compound is a silane surface treatment agent and is useful for modifying the surfaces of silicon oxide and other metal oxides with hexafluorodimethyl carbinol functional groups. Additionally provided is a surface treatment procedure that effectively bonds it and other alkoxysilanes via homogeneous and heterogeneous amine catalysis onto metal oxide surfaces.

Abstract: A method of making a nanoclusters functionalized with a single DNA strand comprising the steps of providing nanoclusters, combining said nanoclusters with thiolated DNA, incubating said nanoclusters and thiolated DNA mixture, combining said mixture with a solution comprising ethanol and dichloromethane; separating said mixture into an aqueous phase and an organic phase, mixing said aqueous phase with a solution comprising dicholormethane and NaCl, and separating the mixture into an aqueous phase and an organic phase; wherein said organic phase comprises said nanoclusters functionalized with a single DNA strand. Further, provided is a nanocluster functionalized with a single DNA strand comprising a nanocluster, said nanocluster being functionalized with a single DNA strand, said DNA strand having a length of about 10 to about 50 bases.

Abstract: A method of making a nanoclusters functionalized with a single DNA strand comprising the steps of providing nanoclusters, combining said nanoclusters with thiolated DNA, incubating said nanoclusters and thiolated DNA mixture, combining said mixture with a solution comprising ethanol and dichloromethane; separating said mixture into an aqueous phase and an organic phase, mixing said aqueous phase with a solution comprising dicholormethane and NaCl, and separating the mixture into an aqueous phase and an organic phase; wherein said organic phase comprises said nanoclusters functionalized with a single DNA strand. Further, provided is a nanocluster functionalized with a single DNA strand comprising a nanocluster, said nanocluster being functionalized with a single DNA strand, said DNA strand having a length of about 10 to about 50 bases.

Abstract: A thiol terminated ethylene oxide oligomer and the method of substituting the oligomer onto a gold nanocluster surface using a thiol-exchange reaction to form a charge-neutral, non-ionizable, water soluble, ethylene oxide protected gold nanocluster. The thiol terminated ethylene oxide oligomer has the formula CH3(OCH2CH2)xSH where x varies from one to ten. Also disclosed is the related method of making the thiol terminated ethylene oxide oligomer.