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Article
SERS performance of cubic-shaped gold nanoparticles for environmental monitoring
A subtle change in the geometry of nanoparticles affects the local electromagnetic field distribution and intensity of the analytes under optical excitation, which leads to distinguished enhancement effects on...
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Article
Immobilization of Gold–Aryl Nanoparticles Over Graphene Oxide Platforms: Experimental and Molecular Dynamics Calculations Study
Graphene oxide (GO) was decorated with gold–aryl (Au–C) nanoparticles of AuNPs–COOH by sodium borohydride reduction of aryldiazonium tetrachloroaurate(III) salt at room temperature in aqueous solutions. Morpho...
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Article
Occurrence, analysis and removal of pesticides, hormones, pharmaceuticals, and other contaminants in soil and water streams for the past two decades: a review
Chemical waste constitutes a group of environmental pollutants including pesticides, heavy metals, hormones, pharmaceuticals, and healthcare products that are widely distributed in our environment due to their...
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Article
Aryldiazonium gold salts as efficient oxidants for polymerization of anilines
Investigating transition metal oxidants is a fundamental scientific interest for the synthesis of polymer nanocomposites. In this study, we attempted for the first time to use aryldiazonium cation stabilized w...
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Article
Facile protic hydration of acetonitrile to protonated acetamide at oxygen mediated by chloroauric acid: insights from experimental and calculations
Chemical transformations such as nitrile hydration or carbon–oxygen bond formation reactions under gentle conditions are important in the pharmaceutical industry because of the presence of potentially delicate...
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Article
A Silver(I)–Gold(II) Hexanuclear Guanidinate–Benzoate Cluster with Short Au–Au Bonds
Attempts to remove the halide atoms from [Au2(hpp)2Cl2], 1, Hhpp = 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine, with Ag(I) benzoate lead to the formation of the Au(I)–Ag(I) product, [(PhCOO)2Au4(hpp)4Ag2(P...
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Article
Synthesis, Characterization, Luminescence, and Electrochemistry of New Tetranuclear Gold(I) Amidinate Clusters: Au4[PhNC(Ph)NPh]4, Au4[PhNC(CH3)NPh]4, and Au4[ArNC(H)NAr]4
The syntheses and the X-ray structures of the tetranuclear gold(I) benzamidinate, Au4[PhNC(Ph)NPh]4, and the tetranuclear gold(I) acetamidinate, Au4[PhNC(CH3)NPh]4, clusters are reported. The clusters are produce...
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Article
CO oxidation over Au/TiO2 prepared from metal-organic gold complexes
A series of Au/TiO2 catalysts has been prepared from precursors of various metal-organic gold complexes (Au n , n = 2–4) and their catalytic activity for CO oxidation studied. Th...
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Article
Tetranuclear Gold(I) Clusters with Nitrogen Donor Ligands: Luminescence and X-Ray Structure of Gold(I) Naphthyl Amidinate Complex
The syntheses and characterization of gold(I) naphthyl, pentafluorophenyl, and trifluoromethylphenyl amidinate complexes are reported. The tetranuclear clusters are obtained from the reaction of Au(tetrahydrot...
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Article
Gold(I) Formamidinate Clusters: The Structure, Luminescence, and Electrochemistry of the Tetranuclear, Base-Free [Au4(ArNC(H)NAr)4]
The structures of the tetragold(I) formamidinate cluster complexes, [Au4(ArNC(H)NAr)4], Ar=C6H4-4-OMe (1), C6H3-3,5-Cl (2), C6H4-4-Me (3), have been characterized by x-ray crystallography. The range of Au⋅⋅⋅Au di...
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Article
Gold(I) Pyrazolate Clusters: The Structure and Luminescence of the Tetranuclear, Base-Stabilized [(dppm)2Au4(3,5-Ph2Pz)2](NO3)2 ⋅ H2O
The tetranuclear Au(I) pyrazolate complex, [(dppm)2Au4(3,5-Ph2Pz)2](NO3)2 ⋅ H2O, 1, has been synthesized and structurally characterized. It is the first tetranuclear pyrazolate of Au(I) to have been found, althou...