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637254 Sigma-Aldrich

Titanium(IV) oxide, anatase

nanopowder, <25 nm particle size, 99.7% trace metals basis

Synonym: Titanium dioxide

Purchase

Properties

Related Categories 22: Ti, Alternative Energy, Dye Sensitized Solar Cell (DSSC) Materials, Materials Science, Metal and Ceramic Science,
InChI Key   GWEVSGVZZGPLCZ-UHFFFAOYSA-N
assay   99.7% trace metals basis
form   nanopowder
particle size   <25 nm
surface area   spec. surface area 45-55 m2/g
mp   1825 °C (lit.)
density   3.9 g/mL at 25 °C (lit.)
bulk density   0.04‑0.06 g/mL
Featured Industry   Battery Manufacturing

Description

General description

Titanium (IV) oxide nanopowder is widely used in skin products, additives, and foods. Nano titania has been proved to be the most active photocatalytic semiconductor under ultraviolet radiation. Titanium isopropoxide, titanium (IV) butoxide has been used as precursor materials to synthesize nano-titania.

Application

Titania paste may be used as a transparent coating for self cleaning glass.Low optical scattering titania-acrylate nanocomposites have been reported. Metal contacts in solar cells based on titanium dioxide and di-(isothiocyanate)-bis-(2,2′-bipyridyl-4,4′-dicarboxylate)ruthenium(II) have been studied.

Packaging

50, 100, 500 g in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
nwg
RTECS 
BV6550000

Documents

Certificate of Analysis

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Certificate of Origin

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What does "Trace Metal Basis" mean?
For this product, the purity is determined by testing total metallic impurities. Our specifications only allow for a maximum of 1000 ppm. On the Certificate of Analysis, you will be able to see which metals were tested and the amount.
What is the average particle size of Product 637254, Titanium(IV) oxide, anatase - nanopowder?
Lot history shows that the average particle size of this product is about 5 nm. The batch-specific average will be reported on the certificate of analysis.
What is the solubility of Product 637254, Titanium(IV) oxide, anatase - nanopowder?
We do not test the solubility of this product. However, according to The Merck Index, 13th edition, this product is insoluble in water, HCl, HNO3 and dilute H2SO4. It is soluble in hot concentrated H2SO4 and hydrofluoric acid.
What is the morphology of Product 637254, Titanium(IV) oxide, anatase - nanopowder?
According to the supplier, the morphology of this product is expected to be spherical.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What possible solvents can be used with Titanium(IV) oxide, anatase - nanopowder?
According to The Merck Index (13th ed.), titanium (IV) oxide is soluble in hot, concentrated sulfuric acid and hydrofluoric acid. It is insoluble in water, hydrochloric acid, and nitric acid.
How is Titanium(IV) oxide, anatase - nanopowder, Product 637254, manufactured?
According to the manufacturer, product 637254 is produced by a process of calcination at 300°C.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles

Articles

A Review of Mesoporous TiO2 Thin Films

Jinshu Wang*, Junshu Wu, Hongyi Li The Key Lab of Advanced Functional Materials, Ministry of Education China, School of Materials Science and Engineering, Beijing University of Technology, Beijing 10...
Keywords: Adsorption, Building blocks, Catalysis, Ceramics, Condensations, Cosmetics, Degradations, Diffraction, Eliminations, Evaporation, Materials Science, Oxidations, Polymerization reactions, Semiconductor, Separation, Sol-gel

Efficient Dye-Sensitized Solar Cells for Direct Conversion of Sunlight to Electricity

Sunlight is an abundant natural resource and for many decades scientists have been interested to find ways and means of harnessing the energy from the sun. Researchers have explored many processes wh...
Kuppuswamy Kalyanasundaram, Michael Grätzel
Material Matters 2009, 4.4, 88.
Keywords: Absorption, Bacterial conjugations, Calorimetry, Capillary electrophoresis, Degradations, Electronics, Infrared spectroscopy, Ligands, Oxidations, Recombination, Reductions, Semiconductor, Separation, Solar cells, Solvents

Energy Harvesting Using Lead Zirconium Titanate-Based Ceramic Nanowires

Zhi Zhou1, Dr. Haixiong Tang1, Dr. Henry A. Sodano1,2* 1Department of Materials Science and Engineering 2Department of Mechanical and Aerospace Engineering University of Florida, Gainesville, Florida...
Keywords: Ceramics, Deposition, Diffraction, Electronics, Electrophoresis, Materials Science, Microscopy, Nanomaterials, PAGE, Solvents, Spectroscopy

Few Monolayer Atomic Layer Deposition (ALD) on Surfaces and Interfaces for Energy Applications

Department of Mechanical Engineering and Materials Science, One Brookings Drive, Washington University in St. Louis, St. Louis, MO 63130 *Email: parag.banerjee@wustl.edu
Keywords: Atomic layer deposition, Catalysis, Chemical reactions, Degradations, Dehydrogenation, Deposition, Hydrogenations, Ion Exchange, Ligands, Magnetic resonance spectroscopy, Materials Science, Nanomaterials, Oxidations, Photovoltaics, Precipitation, Recombination, Reductions, Renewable energy, Separation, Solar cells, Thin film deposition

Graphene-Based Composites and their Unique Renewable Energy Applications

Wen Qian, Andrew Y. Wang* Ocean NanoTech, LLC, San Diego, CA 92126, USA *Email: awang@oceannanotech.com
Keywords: Catalysis, Nanotubes, Oxidations, Purification, Recombination, Reductions, Renewable energy, Semiconductor, Separation

Highly Efficient Nanoscale Inorganic Light Harvesters for Dye-sensitized Solar Cells

Nam-Gyu Park School of Chemical Engineering and Department of Energy Science Sungkyunkwan University, Suwon 440-746, Republic of Korea Email: npark@skku.edu Phone: +82-31-290-7241. Fax: +82-31-290-72...
Keywords: Absorption, Adsorption, Deposition, Infrared spectroscopy, Recombination, Semiconductor, Separation, Solar cells, Spectroscopy

Inverted Organic Photovoltaic Devices Using Zinc Oxide Nanocomposites as Electron Transporting Layer Materials

Bryce P. Nelson,1* Pengjie Shi,1 Wei Wei,1 Sai-Wing Tsang2 and Franky So3 1MilliporeSigma, 6000 N. Teutonia Ave., Milwaukee, WI, USA 53209 2Sai-Wing Tsang, Department of Physics and Materials Science...
Keywords: Adsorption, Crystallization, Diffusion, Materials Science, Nucleic acid annealing, Photovoltaics, Reductions, Sol-gel, Solar cells, Spectroscopy

Materials for Clean H2 Production from Bioethanol Reforming

Hong Xie, Eric Weitz, and Kenneth R. Poeppelmeier* Center for Catalysis and Surface Science, Department of Chemistry Northwestern University 2145 Sheridan Road, Evanston, Illinois 60208 *krp@northwes...
Keywords: Absorption, Adsorption, Boudouard reaction, Catalysis, Dehydration reaction, Dehydrogenation, Deposition, Fermentation, Polymerization reactions, Precipitation, Redox Reactions, Renewable energy, Surface Science

Mesoporous Titanium Dioxide Thin Films

Titanium dioxide (TiO2) is an important n-type semiconducting material that shows interesting characteristics such as photoswitchable surface wettability, high photocatalytic activity, bistable elect...
Jinshu Wang, Junshu Wu, Hongyi Li
Material Matters, Volume 7, Number 2, 2–6
Keywords: Adsorption, Building blocks, Catalysis, Ceramics, Condensations, Cosmetics, Degradations, Diffraction, Eliminations, Evaporation, Materials Science, Oxidations, Polymerization reactions, Semiconductor, Separation, Sol-gel

Molybdenum Disulfide: Understanding Hydrogen Evolution Catalysis

Linyou Cao Department of Materials Science and Engineering Department of Physics North Carolina State University, Raleigh, NC, USA Email: lcao2@ncsu.edu
Keywords: Adsorption, Bacterial conjugations, Catalysis, Chemical industry, Chemical vapor deposition, Degradations, Deposition, Electrochemical reactions, Environmental, Indicators, Industries, Infrared spectroscopy, Materials Science, Nanotubes, Oxidations, Recombination, Renewable energy

Organic Dyes for Efficient and Stable Dye-Sensitized Solar Cells

Over the last decade, dye-sensitized solar cells (DSSCs) have attracted much attention because these unconventional solar cells exhibit high performance and have the potential for low-cost production...
Kohjiro Hara, Nagatoshi Koumura
Material Matters 2009, 4.4, 92.
Keywords: Absorption, Diffusion, Infrared spectroscopy, Oxidations, Photoexcitation, Photovoltaics, Recombination, Semiconductor, Solar cells, Spectroscopy, transformation

Recent Advances in Hybrid Halide Perovskites-based Solar Cells

Kuppuswamy Kalyanasundaram, Shaik. M. Zakeeruddin, Michaël Grätzel* Laboratory for Photonics and Interfaces (LPI) Swiss Federal Institute of Technology at Lausanne (EPFL) 1015 Lausanne, Switzerland *...
Kuppuswamy Kalyanasundaram, Shaik. M. Zakeeruddin, Michaël Grätzel
Material Matters, 2016, 11.1, 3
Keywords: Absorption, Atomic layer deposition, Capillary electrophoresis, Degradations, Deposition, Diffusion, Environmental, Infrared spectroscopy, Nanomaterials, Nanotubes, Nucleic acid annealing, Recombination, Semiconductor, Separation, Sol-gel, Solar cells, Solvents, Spectroscopy, Spin coating, Substitutions

Ruthenium-based dyes for Dye-sensitized Solar Cells

Dye-sensitized Solar Cells (DSCs) are 3rd generation solar cells combining the promise of high efficiency with low production costs. While present-day DSCs provide light-to-electricity conversion of ...
Dr. Hans Desilvestro and Dr. Yanek Hebting

Dyesol Ltd., 3 Dominion Place, Queanbeyan NSW 2620 AUSTRALIA
Keywords: Absorption, Calorimetry, Capillary electrophoresis, Ligands, Oxidations, Photosynthesis, Recombination, Reductions, Separation, Solar cells

Synthesis of ZnO Aggregates and Their Application in Dye-sensitized Solar Cells

Solar energy, as the primary source of energy for all living organisms on Earth, is considered the ultimate solution to the energy and environmental challenge as a carbon-neutral energy source. Many ...
Qifeng Zhang, Kwangsuk Park, Guozhong Cao
Material Matters 2010, 5.2, 32.
Keywords: Absorption, Adsorption, Atomic layer deposition, Calorimetry, Centrifugation, Chemical reactions, Degradations, Deposition, Diffraction, Diffusion, Environmental, Hydrogenations, Ligands, Materials Science, Photovoltaics, Precipitation, Recombination, Scanning electron microscopy, Semiconductor, Solar cells, Spectroscopy, X-Ray diffraction

Thiolated gold nanoclusters: A new class of photosensitizers

Kevin Stamplecoskie, Yong-Siou Chen, Prashant V. Kamat* Radiation Laboratory and Department of Chemistry and Biochemistry University of Notre Dame, Notre Dame, Indiana, USA *Email: pkamat@nd.edu
Keywords: Absorption, Biochemistry, Diffraction, Ligands, Nanomaterials, Oxidations, Photovoltaics, Reductions, Solar cells, Spectroscopy, X-Ray diffraction

Titania Nanotubes: Synthesis and Applications

Eugen Panaitescu1 and Latika Menon2 Department of Physics Northeastern University, Boston, MA 02115 USA Email: 1e.panaitescu@neu.edu, 2l.menon@neu.edu
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

Ultra-High Efficiency Perovskite-Perovskite Tandem Solar Cells

Chemistry and Nanoscience Center, National Renewable Energy Laboratory, Golden, Colorado 80401, USA *Email: Kai.Zhu@nrel.gov
Zhen Li and Kai Zhu*
Material Matters, 2018, 13.1
Keywords: Absorption, Adhesion, Degradations, Deposition, Diffraction, Evaporation, Infrared spectroscopy, Nanotubes, Nucleic acid annealing, Oxidations, Photovoltaics, Recombination, Renewable energy, Semiconductor, Solar cells, Solvents, Ultraviolet-Visible spectroscopy, X-Ray diffraction

Understanding and Successfully Applying Materials for Dye-Sensitized Solar Cells

Hans Desilvestro, Yanek Hebting, Mikael Khan, Damion Milliken Dyesol, Queanbeyan NSW 2620, Australia Email: yhebting@dyesol.com
Keywords: Absorption, Adhesion, Adsorption, Bacterial conjugations, Calorimetry, Deposition, Diffusion, Electronics, Extinction coefficient, Hydroxylations, Ligands, Mass spectrometry, Nucleic acid annealing, Oxidations, PAGE, Printed electronics, Recombination, Reductions, Semiconductor, Solar cells, Solvents

Peer-Reviewed Papers
15

References

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