Synthesis of mesoporous titania thin films by a simple route at low-temperature via plasma treatment

Bian, Yurong; Wang, Xiaohong; Hu, Zhiyu

doi:10.1007/s10853-013-7221-0

Cited by 7 publications

(6 citation statements)

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“…They found from DSC/TGA results that higher temperatures like 500 °C were required to remove the cationic surfactant and increase crystallinity. In addition, other researchers have used the following treatments to remove surfactant molecules from the resulting material: mild thermal treatments of 300 °C and lower [ 63 , 64 , 90 , 98 , 99 ], Ar or O 2 plasma [ 102 , 103 ], and a combination of UV and ozone (O 3 ) treatment [ 104 ]. Another method to remove the surfactant is by extraction of the solvent by refluxing [ 105 ] or under supercritical conditions [ 106 ].…”

Section: Synthesismentioning

confidence: 99%

“…In contrast, Wang and co-workers [ 133 ] found that their mesoporous TiO 2 thin films calcined at 500 °C had essentially no carbon residue from their XPS analysis. Wang and co-workers [ 102 ] discovered that their mesoporous TiO 2 thin film had carbon residue in the form of carboxyl group from a peak at 288.3 eV in the C 1s spectrum. The carbon C 1s standard is 284.4 ± 0.2 eV [ 131 ].…”

Section: Characterizationmentioning

confidence: 99%

“…In addition, these researchers noted that the O 1s spectrum had two types of oxygen species with peaks at 531.5 and 529.9 eV due to surface hydroxyl groups and lattice oxygen (Ti–O–Ti bonds) [ 102 ]. The Ti 2p XPS analysis of mesoporous TiO 2 materials show two peaks at approximately 464.2 and 458.5 eV, which are from Ti 2p 3/2 and Ti 2p 1/2 peaks [ 44 , 92 , 102 ]. Figure 19a,d shows the Ti 2p and O 1s spectra as function of calcination temperature [ 44 ].…”

Section: Characterizationmentioning

confidence: 99%

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Versatility of Evaporation-Induced Self-Assembly (EISA) Method for Preparation of Mesoporous TiO2 for Energy and Environmental Applications

2014

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Evaporation-Induced Self-Assembly (EISA) method for the preparation of mesoporous titanium dioxide materials is reviewed. The versatility of EISA method for the rapid and facile synthesis of TiO2 thin films and powders is highlighted. Non-ionic surfactants such as Pluronic P123, F127 and cationic surfactants such as cetyltrimethylammonium bromide have been extensively employed for the preparation of mesoporous TiO2. In particular, EISA method allows for fabrication of highly uniform, robust, crack-free films with controllable thickness. Eleven characterization techniques for elucidating the structure of the EISA prepared mesoporous TiO2 are discussed in this paper. These many characterization methods provide a holistic picture of the structure of mesoporous TiO2. Mesoporous titanium dioxide materials have been employed in several applications that include Dye Sensitized Solar Cells (DSSCs), photocatalytic degradation of organics and splitting of water, and batteries.

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Section: Synthesismentioning

confidence: 99%

Section: Characterizationmentioning

confidence: 99%

Section: Characterizationmentioning

confidence: 99%

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Versatility of Evaporation-Induced Self-Assembly (EISA) Method for Preparation of Mesoporous TiO2 for Energy and Environmental Applications

2014

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“…In 1990, scientists from Mobil Oil Corporation [83], reported obtaining of mesoporous silicate molecular sieves, denoted by M41s, synthesized using a supramolecule-templating process, giving rise to a new and fascinating research field. Subsequently, efforts have been concentrated in studies related to synthesis and applications of mesoporous materials [9,72,[84][85][86][87][88][89][90][91].…”

Section: Synthesis Of Mesoporous Tiomentioning

confidence: 99%

Solar Radiation Applications

Bello¹

2015

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Segun Raphael BELLO -born in Ajowa Akoko, Ondo State, Nigeria -is a doctoral student of the University of Ibadan, Nigeria, a senior lecturer and research fellow. He has wide experience in machinery design, renewable energy resource utilization and workplace ergonomics. Bello is a registered member of the apex engineering regulatory body in Nigeria -COREN, Nigeria Society of Engineers and Nigeria Institution of Agricultural Engineers. He has written several research articles for international conferences, journals, workshops and over 15 textbooks in various engineering applications and technologies. He is an editor to several publishing groups including Sustainable Agriculture Group (SAG) and InTech. He is also a reviewer for international journals including the International Commission of Agricultural Engineering (CIGR). In 2011, he was an enlisted member of Nigeria academia. In the same year, he received the Pillar of Nation Building award for his significant contributions to research and development. He is married with four children.

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“…In 1990, scientists from Mobil Oil Corporation[83], reported obtaining of mesoporous silicate molecular sieves, denoted by M41s, synthesized using a supramolecule-templating process, giving rise to a new and fascinating research field. Subsequently, efforts have been concentrated in studies related to synthesis and applications of mesoporous materials[9,72,[84][85][86][87][88][89][90][91].…”

mentioning

confidence: 99%

Applications of Mesoporous Ordered Semiconductor Materials — Case Study of TiO2

Machado¹,

Borges²,

Silva³

et al. 2015

Solar Radiation Applications

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Additional information is available at the end of the chapter http://dx.doi.org/10.5772/59602 . Introduction . . Titanium dioxide TiOTiO is a promisinμ material λor technoloμical applications λor its versatility [ -], abundance, low toxicity, μood chemical stability, photosensitivity and photostability [ -]. In nature, it is λound mainly in the mineral ilmenite [ ], that can be processed industrially by two diλλerent routes [ ] The λirst, involves the reaction oλ the concentrate oλ ilmenite with hot sulphuric acid, resultinμ in the λormation oλ sulphates oλ titanium, Fe II and Fe III , beinμ these last eliminated by centriλuμation, aλter coolinμ. The λinal solution is then puriλied and hydrolyzed to produce pure TiO [ ]. The other usual way oλ obtaininμ consists in combininμ the ore with coke and μaseous chlorine under heatinμ, resultinμ in CO and a sponμy material rich in TiCl . The reaction product is subjected to successive λractional distillation, with the λormation oλ TiCl and TiCl , due to stability oλ titanium in other deμrees oλ oxidation. The diλλerent precursors oλ titanium are hydrolyzed, λorminμ titanium dioxide [ ]. In, [ ], obtained, λor the λirst time, success in decomposition oλ water under irradiation with liμht and without application oλ any electric potential. They reported that, in trials where they employed n-type TiO as anode and Platinum as cathode, when TiO electrode illuminated under short-circuit conditions, hydroμen evolved λrom the Platinum electrode, while oxyμen evolved λrom the anode. Since then, studies aimed at discoverinμ and explorinμ diλλerent possibilities oλ technoloμical application λor TiO have been μiven μreat importance [ -].© 2015 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and eproduction in any medium, provided the original work is properly cited.As technoloμical applications λor TiO can be cited its use in ultraviolet radiation absorbinμ λilters [ , ], in chemical sensors λor μases [ -], as a bactericide [ ], in biomaterials λor bone implants [ ], in environmental photocatalysis [ , , , ], in the photocatalytic hydroμen evolution [ , -], in dye-sensitized solar cells [ , -], amonμ other.The photocatalytic eλλiciency oλ TiO depends on its structural and morpholoμical characteristics, which are related to the method oλ synthesis used in the preparation oλ nanoparticles [ , , , ]. To be photoactive, λavorinμ the photocatalysis process, besides beinμ mainly consistinμ oλ anatase crystalline phase, the TiO must possess hiμh speciλic surλace area, μood porosity, with hiμh sized pores [ , , ]. In this context, the search λor TiO particles that have diλλerentiated λeatures, with catalytic properties potentiated, constitutes a λield oλ intense activity [ , , -]. . Porosity and porous materialsThe porosity, related to the presence oλ cavities, channels or interstices is oλ μreat importance since it is related t...

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Synthesis of mesoporous titania thin films by a simple route at low-temperature via plasma treatment

Cited by 7 publications

References 30 publications

Versatility of Evaporation-Induced Self-Assembly (EISA) Method for Preparation of Mesoporous TiO2 for Energy and Environmental Applications

Versatility of Evaporation-Induced Self-Assembly (EISA) Method for Preparation of Mesoporous TiO2 for Energy and Environmental Applications

Solar Radiation Applications

Applications of Mesoporous Ordered Semiconductor Materials — Case Study of TiO2

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