Abstract: A method of synthesizing a three-dimensional (3D) reduced graphene oxide (RGO) foam embedded with water-splitting nanocatalysts includes providing at least one solution containing at least one precursor of nanocatalysts, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the at least one solution to form a mixture suspension; and performing hydrothermal reaction in the mixture suspension to form a 3D RGO foam embedded with the nanocatalysts.

Abstract: A method of synthesizing a three-dimensional (3D) reduced graphene oxide (RGO) foam embedded with water-splitting nanocatalysts includes providing at least one solution containing at least one precursor of nanocatalysts, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the at least one solution to form a mixture suspension; and performing hydrothermal reaction in the mixture suspension to form a 3D RGO foam embedded with the nanocatalysts.

Abstract: A method of synthesizing three-dimensional (3D) reduced graphene oxide (RGO) foams embedded with water splitting nanocatalysts includes providing a first solution containing nickel (II) nitrate, a second solution containing iron (III) nitrate, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the first solution and the second solution to form a GO-Ni—Fe mixture; adjusting a pH value of the GO-Ni—Fe mixture to be about 3.5; and performing hydrothermal reaction in the GO-Ni—Fe mixture to form RGO-Ni—Fe foams, wherein nanocatalysts containing Ni-Fi oxide particles are embedded in porous structures of the 3D RGO foams.

Abstract: A method of synthesizing three-dimensional (3D) reduced graphene oxide (RGO) foams embedded with water splitting nanocatalysts includes providing a first solution containing nickel (II) nitrate, a second solution containing iron (III) nitrate, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the first solution and the second solution to form a GO-Ni—Fe mixture; adjusting a pH value of the GO-Ni—Fe mixture to be about 3.5; and performing hydrothermal reaction in the GO-Ni—Fe mixture to form RGO-Ni—Fe foams, wherein nanocatalysts containing Ni-Fi oxide particles are embedded in porous structures of the 3D RGO foams.

Abstract: A magnetic oxide-quantum dot nanocomposite has at least one magnetic oxide nanoparticle coated with a silica (SiO2) shell and terminated with at least one thiol group (—SH) and at least one CdSe/ZnS quantum dot linked with the at least one SiO2-coated magnetic oxide nanoparticle via the at least one thiol group. The at least one magnetic oxide nanoparticle can be an iron oxide (Fe3O4) nanoparticle. A method of cancer treatment using the magnetic oxide-quantum dot nanocomposites, includes the steps of delivering a plurality of nmagnetic oxide-quantum dot nanocomposites to a cancer cell, and subjecting the cancer cell with the plurality of magnetic oxide-quantum dot nanocomposites to a radio frequency induction for a period of time effective to cause the cancer cell to die.

Abstract: A magnetic oxide-quantum dot nanocomposite and methods of synthesizing it. In one embodiment, the magnetic oxide-quantum dot nanocomposite has at least one magnetic oxide nanoparticle coated with a silica (SiO2) shell and terminated with at least one thiol group (—SH), and at least one CdSe/ZnS quantum dot linked with the at least one SiO2-coated magnetic oxide nanoparticle via the at least one thiol group. In one embodiment, the at least one magnetic oxide nanoparticle comprises at least one iron oxide (Fe3O4) nanoparticle.

Abstract: A magnetic oxide-quantum dot nanocomposite and methods of synthesizing it. In one embodiment, the magnetic oxide-quantum dot nanocomposite has at least one magnetic oxide nanoparticle coated with a silica (SiO2) shell and terminated with at least one thiol group (—SH), and at least one CdSe/ZnS quantum dot linked with the at least one SiO2-coated magnetic oxide nanoparticle via the at least one thiol group. In one embodiment, the at least one magnetic oxide nanoparticle comprises at least one iron oxide (Fe3O4) nanoparticle.