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700347 Sigma-Aldrich

Titanium(IV) oxide, mixture of rutile and anatase

nanoparticles, <150 nm particle size (volume distribution, DLS), dispersion, 40 wt. % in H2O, 99.5% trace metals basis

Synonym: Titanium dioxide



Related Categories 22: Ti, Alternative Energy, Dye Sensitized Solar Cell (DSSC) Materials, Materials Science, Metal and Ceramic Science,
Quality Level   200
assay   99.5% trace metals basis
form   dispersion
concentration   40 wt. % in H2O
particle size   <150 nm (volume distribution, DLS)
  ~21 nm (primary particle size of starting nanopowder)
bp   100 °C
density   1.3 g/mL±0.2 at 25 °C
SMILES string   O=[Ti]=O
InChI   1S/2O.Ti


General description

Titanium(IV) oxide, mixture of rutile and anatase (TiO2) is a titania based nanoparticle solution that is dispersed in water.


TiO2 suspensions can be used for a variety of applications such as:
• photo-catalytic applications
• cosmetics, textile, and paints
• fabrication of flexible humidity sensors


25, 100 g in glass bottle

Safety & Documentation

Safety Information

GHS05  GHS05
Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
212.0 °F - Not applicable
Flash Point(C) 
> 100 °C - Not applicable


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & 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

Researchers have explored many processes where solar irradiation can be used to create an ecologically healthy environment. Examples range from energy storage to degradation of atomic waste, which is...
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 Evanston, Illinois 60208 *krp@northwestern.edu
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

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

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

Perovskite Solar Cells

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
Keywords: Crystallization, Degradations, Deposition, Materials Science, Nucleic acid annealing, Photovoltaics, Recombination, Reductions, Renewable energy, Solar cells

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


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