636347 Sigma-Aldrich


nanopowder, <100 nm particle size, 99.9% trace metals basis



Related Categories 79: Au, Biomedical Materials, Gold, Gold Surfaces and Sources, Materials Science,
assay   99.9% trace metals basis
form   nanopowder
resistivity   2.05 μΩ-cm, 0°C
particle size   <100 nm
bp   2808 °C(lit.)
mp   1063 °C (lit.)
density   19.3 g/mL at 25 °C(lit.)



Gold colloid nanoparticles intercalated within a polymer matrix lower the effective conjugation length of the polymer, resulting in a blue shift in the adsorption.


1 g in glass bottle

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


A Biologically-Inspired Electrochemical Half-Cell for Light-Driven Generation of Hydrogen

An economy based on hydrogen has long been touted as one of the most promising routes to a sustainable energy future. Hydrogen gas (H2) is a particularly clean source of energy that can be utilized e...
Rebecca A. Grimme1 and John H. Golbeck*1,2
Material Matters 2008, 3.4, 78.
Keywords: Absorption, Biochemistry, Catalysis, Deposition, Diffusion, Ligands, Mass spectrometry, Metabolism, Methods, Molecular biology, Nucleic acid denaturation, Photosynthesis, Recombination, Reductions, Semiconductor, Support, Type

Chemistry in Flames: From Oxide to Salt and Metal Nanoparticles

Small-scale materials with particle diameters in the nanometer range have already been used for a long time. The Chinese used carbon black, derived from a combustion process for painting applications...
Samuel C. Halim, Robert N. Grass, Wendelin J. Stark*
Material Matters Volume 4 Article 1
Keywords: Biomaterials, Building blocks, Catalysis, Chemical reactions, Chromatin immunoprecipitation, Combustion, Deposition, Metabolism, Nanomaterials, Nanotechnology, Oxidations, Reductions

Gold Nanoparticles: Properties and Applications

Colloidal gold nanoparticles have been utilized for centuries by artists due to the vibrant colors produced by their interaction with visible light. More recently, these unique optoelectronic propert...
Keywords: Absorption, Automotive, Catalysis, Chemical reactions, Chromatin immunoprecipitation, Diseases, Electronics, Infrared spectroscopy, Materials Science, Microscopy, Nanomaterials, Oxidations, Photovoltaics, Raman spectroscopy, Scanning electron microscopy, Spectroscopy, Transmission electron microscopy, Ultraviolet-Visible spectroscopy

Nanomaterials Toxicity Screening Strategies

Tian Xia,1,2 Huan Meng,1,2,† Saji George,1,2,† Haiyuan Zhang,1,2,† Xiang Wang,1,2,† Zhaoxia Ji,2,† Jeffrey I. Zink,2,3 Andre E. Nel1,2* 1Division of NanoMedicine, Department of Medicine, University o...
Keywords: Adhesion, Apoptosis, Biochemistry, Combinatorial library, Environmental, Enzyme activity, Inflammation, Lipid peroxidation, Nanomaterials, Nanotechnology, Oxidations, Peroxidations, Reproduction

Surface-enhanced Solar Energy Conversion Systems Using Gold and Silver Nanoparticles

Sustainable, environment-friendly, and clean energy sources with sufficiently high production efficiency for practical application are highly desirable to meet the energy challenge of the 21st centur...
Shanlin Pan and Arunava Gupta
Material Matters, 2012 v7, n4
Keywords: Absorption, Catalysis, Chemical vapor deposition, Degradations, Deposition, Diffusion, Electronics, Organic electronics, Photovoltaics, Recombination, Renewable energy, Semiconductor, Separation, Solar cells

Titania Nanotubes: Synthesis and Applications

Eugen Panaitescu1 and Latika Menon2 Department of Physics Northeastern University, Boston, MA 02115 USA Email:,
Keywords: Adsorption, Agriculture, Antimicrobials, Apoptosis, Automotive, Calorimetry, Cosmetics, Degradations, Deposition, Diffusion, Electrochemical analysis, Environmental, Filtration, Melting, Nanotubes, Oxidations, Photovoltaics, Precipitation, Recombination, Redox Reactions, Reductions, Semiconductor, Separation, Sol-gel, Solar cells, Solvents

Peer-Reviewed Papers


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