Titanium 4 isopropoxide

Manufactured by Thermo Fisher Scientific

Sourced in China

Titanium(IV) isopropoxide is a titanium-based organometallic compound. It is a clear, colorless, and volatile liquid. The primary function of this product is as a precursor for the deposition of titanium-based thin films in various industrial and research applications.

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Close spelling variants of this product

Titanium isopropoxide (6 citations) Titanium isopropoxide (Ti{OCH(CH3)2}4, (2 citations) Titanium(IV) isopropoxide (TTIP, (2 citations)

13 protocols using titanium 4 isopropoxide

Superhydrophobic Fluorinated Silica Coatings

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Polyvinylpyrrolidone (PVP, MW 1 300 000),
titanium(IV) isopropoxide (TiP, 97+%), and tetraethoxysilane (TEOS,
99+%) were purchased from Alfa Aesar. Yttrium(III) nitrate hexahydrate
(Y(NO₃)₃·6H₂O) was purchased
from Fluorochem. Acetic acid (AcOH) was purchased from Honeywell.
Ethanol (EtOH, ≥99.8% GC) was purchased from Sigma-Aldrich.
For fluorinated coating, glutaraldehyde (GA, 50 wt % in water) and
1H,1H,2H,2H-perfluorodecyltriethoxysilane (PDTS) were purchased from
Sigma-Aldrich. All reagents were used without further refinement.
For measuring the absorption capacities, acetone, hexane, dimethylformamide
(DMF), tetrahydrofuran (THF), ethyl acetate, dichloromethane (DCM),
and silicone oil were purchased from Sigma-Aldrich. Toluene and chloroform
were purchased from Fisher Scientific.

Dong S., Maciejewska B.M., Lißner M., Thomson D., Townsend D., Millar R., Petrinic N, & Grobert N. (2023). Unveiling the Mechanism of the in Situ Formation of 3D Fiber Macroassemblies with Controlled Properties. ACS Nano, 17(7), 6800-6810.

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Synthesis of Perovskite Catalysts

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Strontium nitrate (99 %, Acros Organics), titanium‐(IV) isopropoxide (97 %, Alfa Aesar), lanthanum(III) nitrate hexahydrate (99.9 %, Alfa Aesar), nickel nitrate hexahydrate (97 %, Sigma‐Aldrich) and anhydrous citric acid (99.6 %, Acros Organics), and glycerol (99 %, Alfa Aesar) were used as received without further purification. The commercial 1 % Ni/Al₂O₃ was purchased by Riogen Inc., NJ, USA.

Rudolph B., Tsiotsias A.I., Ehrhardt B., Dolcet P., Gross S., Haas S., Charisou N.D., Goula M.A, & Mascotto S. (2023). Nanoparticle Exsolution from Nanoporous Perovskites for Highly Active and Stable Catalysts. Advanced Science, 10(6), 2205890.

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Perovskite Solar Cell Fabrication

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The transparent conductive FTO/glass substrates (Pilkington) included the smooth FTO/glass substrates (10 Ω/sq, S-FTO) and the textured FTO/glass substrates (20 Ω/sq, T-FTO) were used in this work. The titanium(IV) isopropoxide (99.5% purity) was supplied by Alfa Aesar (Shanghai, China) Chemical Co., Ltd. lead(II) iodide (PbI₂, 99% purity) was purchased from Sigma-Aldrich Co. (St. Louis, MO, USA) Methylammonium iodide (MAI, ≥99.5% purity), Spiro-OMeTAD (≥99.5% purity), Li-TFSI (≥99% purity) and TBP (≥96% purity) were obtained from Xi’an Polymer Light Technology Crop (Xi’an, China). Silver nanoparticles ethanol solution (DK101-2, 2000ppm) was supplied by Deco Ltd. Co. (Beijing, China). Other materials, including N, N-Dimethylformamide (DMF, ≥99.9% purity) and chlorobenzene (99.5% purity) were purchased from Aladdin Ltd. Co. (Shanghai, China).

Hao J., Hao H., Li J., Shi L., Zhong T., Zhang C., Dong J., Xing J., Liu H, & Zhang Z. (2018). Light Trapping Effect in Perovskite Solar Cells by the Addition of Ag Nanoparticles, Using Textured Substrates. Nanomaterials, 8(10), 815.

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Perovskite Solar Cell Fabrication

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Materials used in our work include titanium (IV) isopropoxide (99.999%, Alfa Aesar, Shanghai, China) and PbI₂ (99% Sigma-Aldrich, St. Louis, MO, USA). CH₃NH₃I (MAI, 99.5%, 4 times purification), CH₃NH₃Cl (MACl, 99.5%, 4 times purification), CH₃(NH₂)₂I (FAI, 99.5%, 4 times purification), 2,2’,7,7’-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9’-spirobifluorene (Spiro-OMeTAD, 99.5%), TiO₂ paste (Dyesol-30NRD), Lithium bis(trifluoromethanesulfonyl)imide (Li-TFSI, 99%),Tris(2-(1H-pyrazol-1-yl)-4-tert-butylpyridine)-cobalt(III)Tris(bis(trifluoromethylsulfonyl) imide)) (FK209, 99%), and 4-tertbutylpyridine (TBP, 96%) were obtained from Xi’an Polymer Light Technology Crop. (Xi’an, China). The solvent and anti-solvent, including N,N-Dimethylformamide (DMF, 99.5%), Dimethyl sulfoxide (DMSO, 99.8%), methyl acetate (MA, 99.95%), ethyl acetate (EA, 99.95%) and chlorobenzene (CB, 99.95%) were obtained from Aladdin corporation (Shanghai, China).

Shi L., Hao H., Dong J., Zhong T., Zhang C., Hao J., Xing J, & Liu H. (2019). Solvent Engineering for Intermediates Phase, All-Ambient-Air-Processed in Organic–Inorganic Hybrid Perovskite Solar Cells. Nanomaterials, 9(7), 915.

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Nucleic Acid Extraction and Purification

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Glacial acetic acid, hydrochloric acid, DMSO, titanium (IV) isopropoxide, guanidine HCl (Gu-HCl), and potassium chloride (KCl) were obtained from Fisher Scientific (Waltham, MA, USA). Polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), tetraethyl orthosilicate (TEOS), and guanidine thiocyanate (GuSCN) were acquired from Sigma-Aldrich (St. Louis, MO, USA). Tris base, EDTA, and ethanol were obtained from Acros Organics (part of Thermo Fisher), Promega (Madison, WI, USA), and Decon Labs (King of Prussia, PA, USA), respectively. The Multiscribe Reverse Transcription kit, TaqMan probes, PureLink™ DNA, and miRNA isolation kits were from Life Technologies (Carlsbad, CA, USA). The 5× Taq polymerase and the 25-mM magnesium chloride (MgCl₂) solution were from New England Biolabs (Ipswich, MA). All nucleic acids used in the work were purchased from Integrated DNA Technologies, Inc. (IA, USA) with their sequences listed in Table S1 (see Electronic Supplementary Material, ESM).

Jimenez L.A., Gionet-Gonzales M.A., Sedano S., Carballo J.G., Mendez Y, & Zhong W. (2017). Extraction of microRNAs from biological matrices with titanium dioxide nanofibers. Analytical and bioanalytical chemistry, 410(3), 1053-1060.

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Aptamer Selection and Protein Binding Assays

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Dithiothreitol (DTT), NaCl, MgCl₂, 1× PBS buffer, glacial acetic acid, hydrochloric acid, DMSO, titanium (IV) isopropoxide, guanidine HCl (Gu-HCl) and potassium chloride (KCl) were obtained from Fisher Scientific. Polyvinylpyrrolidone (PVP) was acquired from Sigma-Aldrich. Tris base, EDTA and ethanol (EtOH) was obtained from Acros Organics, Promega and Decon Labs, respectively. The 5× Taq polymerase and the 25-mM magnesium chloride (MgCl₂) solution used for PCR were from New England Biolabs. The ssDNAs, including the random libraries used for SELEX, the anti-IgE aptamer, as well as those found binding to DNMT1 (Supplementary Tables S1 and S3) were attained from Integrated DNA Technologies, Inc. Beta-casein, cytochrome C, ovalbumin, and hemoglobin were purchased from Sigma-Aldrich. IgE was acquired from Athens Research & Technology, Inc.

Wang L., Lee J.Y., Gao L., Yin J., Duan Y., Jimenez L.A., Adkins G.B., Ren W., Li L., Fang J., Wang Y., Song J, & Zhong W. (2019). A DNA aptamer for binding and inhibition of DNA methyltransferase 1. Nucleic Acids Research, 47(22), 11527-11537.

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Synthesis of Nanomaterials for Environmental Applications

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The following materials were used in the experiments: ethanol (EtOH, 99.7+%, Reanal, Budapest, Hungary), 2-propanol (99+%, Acros Organics, Geel, Belgium), purified distilled water (filtered with Millipore Simplicity 185 system to reach 18.2 MΩ cm), tetraethyl orthosilicate (TEOS, 99%, Merck, Budapest, Hungary), titanium (IV) butoxide (98%, Merck, Budapest, Hungary), titanium (IV) isopropoxide (98+%, Acros Organics, Geel, Belgium), hydrochloric acid (HCl, 37%, Reanal, Budapest, Hungary), nitric acid (HNO₃, 65%, Lach-Ner, Bratislava, Slovakia), ammonia aqueous solution (NH₃, 25%, Lach-Ner, Bratislava, Slovakia), acetylacetone (99+%, Acros Organics, Geel, Belgium), hexadecyltrimethylammonium bromide (CTAB, 99+%, Acros Organics, Geel, Belgium), Pluronic P123 (P123, average mol wt 40000, Sigma Aldrich, Budapest, Hungary), AgNO₃ (99.8%, Lach-Ner, Bratislava, Slovakia), rhodamine 6G (R6G, 95%, Sigma Aldrich, Budapest, Hungary), methylene blue (MB, 95+%, Reanal, Budapest, Hungary) and methyl orange (MO, 95%, Acros Organics, Geel, Belgium) dyes. All materials were analytical grade and used without further purification.

Tegze B., Albert E., Dikó B., Nagy N., Rácz A., Sáfrán G., Sulyok A, & Hórvölgyi Z. (2021). Effect of Silver Modification on the Photoactivity of Titania Coatings with Different Pore Structures. Nanomaterials, 11(9), 2240.

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Synthesis of Perovskite-Based Materials

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All chemicals were used as received, without further purification. Specifically, the metal precursors of strontium chloride (SrCl₂ 99–100.4%), barium hydroxide hexahydrate (Ba(OH)₂ 6H₂O, 98.0%), and calcium hydroxide (Ca(OH)₂, 98%) were purchased from either J.T. Baker or Baker & Adamson Chemical. Sodium hydroxide pellets (NaOH, 98.5%), sulfuric acid (H₂SO₄, 95–98%), strontium metal (99%), and anhydrous benzyl alcohol (99.8%) were acquired from Millipore Sigma. Titanium (IV) n-butoxide (Ti(OBu)₄, 99%) and titanium (IV) isopropoxide (Ti(C₃H₇O)₄, 98%) were procured from Acros Organics, while dihydrogen hexachloroplatinate (IV) hydrate (H₂PtCl₆·x H₂O, 99.9%), strontium hydroxide octahydrate (Sr(OH)₂·8 H₂O, 99%), and an aluminum oxide polishing compound (Al₂O₃) were obtained from Alfa Aesar. Anhydrous ethanol (90%) solvent was bought from BeanTown Chemical.

Hurley N., Li L., Koenigsmann C, & Wong S.S. (2021). Surfactant-Free Synthesis of Three-Dimensional Perovskite Titania-Based Micron-Scale Motifs Used as Catalytic Supports for the Methanol Oxidation Reaction. Molecules, 26(4), 909.

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Synthesis of Mixed Metal Oxides

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All chemicals in this experiment were analytical grade without further purification. Titanium(iv) isopropoxide (98+%) and cerium(iii) nitrate hexahydrate (99.5%) were purchased from Acros Organics. Ethanol absolute anhydrous (99.9%) and nickel(ii) nitrate hexahydrate (99%) were purchased from Carlo Erba. Nitric acid (65%) was provided by Acl Labscan. Deionized water was used for all preparations.

Makdee A., Chanapattharapol K.C., Kidkhunthod P., Poo-arporn Y, & Ohno T. (2020). The role of Ce addition in catalytic activity enhancement of TiO2-supported Ni for CO2 methanation reaction. RSC Advances, 10(45), 26952-26971.

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Synthesis and Characterization of Titanium Dioxide Nanoparticles

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All chemicals with analytical grade were used without further purification. Titanium (IV) isopropoxide (C₁₂H₂₈O₄Ti, ≥ 98%), potassium bromate (KBrO₃, ≥ 98%), potassium iodide (KI, ≥ 98%), benzoquinone (C₆H₄O₂, ≥ 98%), isopropyl alcohol (C₃H₈O, ≥ 98%), urea (CH₄N₂O, ≥ 98%), and absolute ethanol (C₂H₅OH, ≥ 99%) were purchased from Acros-Organics. Glacial acetic acid (CH₃COOH, ≥ 98%), 1, 5- Di-phenylcarbazide (C₁₃H₁₄N₄O, ≥ 98%), Triton X-100 (C₁₆H₂₆O₂, ≥ 99%), terpineol (C₁₀H₁₈O, ≥ 98%), and cellulose ethane (C₃₄H₆₆O₂₄, ≥ 99%) were all obtained from Sigma-Aldrich. Methylene blue (C₁₆H₁₈C_lN₃S, ≥ 98%), sodium hydroxide (NaOH, ≥ 99%), and potassium dichromate (K₂Cr₂O₇, 98%) were supplied from Fluka, while Rhodamine B (C₂₈H₃₀N₂O₃, ≥ 98%), sodium sulfate (Na₂SO₄, ≥ 99%), and 4-nitrophenol (C₆H₅NO₃, ≥ 98%) were obtained from Merck. Hydrochloric acid (HCl, 37%) and absolute acetone (C₃H₆O, ≥ 99%) were purchased from Riedel-de Haen. Potassium hydroxide (KOH, ≥ 99%), Nafion perfluorinated (C₇HF₁₃O₅S.C₂F₄, ≥ 98%), and potassium chloride (KCl, ≥ 99%) were obtained from Chem-Lab. The reference electrode Ag/AgCl with electrolyte concentration C_KCl = 3 mol/L was supplied from Metrohm. Finally, microscope slides were purchased from Fisher Scientific, while deionized (DI) water was used throughout.

Falara P.P., Ibrahim I., Zourou A., Sygellou L., Sanchez D.E., Romanos G.E., Givalou L., Antoniadou M., Arfanis M.K., Han C., Terrones M, & Kordatos K.V. (2023). Bi-functional photocatalytic heterostructures combining titania thin films with carbon quantum dots (C-QDs/TiO2) for effective elimination of water pollutants. Environmental Science and Pollution Research International, 30(60), 124976-124991.

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