Showing 1-30 of 43 results for "244112"
Virginia Gomez et al.
Nanoscale, 7(42), 17735-17744 (2015-10-13)
Bi-phasic or multi-phasic composite nanoparticles for use in photocatalysis have been produced by a new synthetic approach. Sol-gel methods are used to deposit multiple layers of active material onto soluble substrates. In this work, a layer of rutile (TiO2) was...
Jun-Bing Fan et al.
Chemical communications (Cambridge, England), 46(31), 5805-5807 (2010-07-01)
A low cost and environmentally benign process for tetrabutyl titanate-controlled ring-opening polymerization of epsilon-caprolactone at ambient temperature of 10-40 degrees C is introduced affording poly(epsilon-caprolactone) with pre-designed molecular weights and narrow molecular weight distribution.
Chen, J. et al.
J. Mater. Sci., 31, 3497-3497 (1996)
Daniela Caruntu et al.
Nanoscale, 7(30), 12955-12969 (2015-07-15)
The rational design of monodisperse ferroelectric nanocrystals with controlled size and shape and their organization into hierarchical structures has been a critical step for understanding the polar ordering in nanoscale ferroelectrics, as well as the design of nanocrystal-based functional materials...
P Siafaka et al.
Journal of materials science. Materials in medicine, 26(12), 275-275 (2015-11-07)
The aim of this study was the preparation of novel polyester nanoparticles based on folic acid (FA)-functionalized poly(ethylene glycol)-poly(propylene succinate) (PEG-PPSu) copolymer and loaded with the new anticancer drug ixabepilone (IXA). These nanoparticles may serve as a more selective (targeted)...
Xin Liu et al.
International journal of biological macromolecules, 79, 110-117 (2015-05-06)
In this present study, a new chitosan bead modified with titanium ions (TiCB) was prepared and employed for the adsorption of vanadium ions from aqueous solutions. Batch adsorption experiments were performed to research the effect of various factors, including pH...
Xue Bai et al.
Talanta, 143, 184-190 (2015-06-17)
We demonstrate a highly efficient electrocatalytic activity of TiO2 nanosheets with reactive (001) facets grown on a carbon needle microelectrode (TiO2-CNE). This microelectrode is prepared by a simple hydrothermal process. Scanning electron microscopy, high-resolution transmission electron microscopy, and electrochemical impedance...
Hoang-Duy Nguyen et al.
Angewandte Chemie (International ed. in English), 54(37), 10862-10866 (2015-07-28)
A facile approach for coating red fluoride phosphors with a moisture-resistant alkyl phosphate layer with a thickness of 50-100 nm is reported. K2 SiF6 :Mn(4+) particles were prepared by co-precipitation and then coated by esterification of P2 O5 with alcohols (methanol...
Dan Li et al.
ACS applied materials & interfaces, 7(21), 11294-11300 (2015-05-12)
On the basis of biological ion channels, we constructed TiO2 membranes with rigid channels of 2.3 nm to mimic biomembranes with flexible channels; an external electric field was employed to regulate ion transport in the confined channels at a high...
S D Makeev et al.
Klinicheskaia khirurgiia, (1)(1), 19-20 (1989-01-01)
By the method of tissue culture, it is established that the capron threads stained by brilliant green, coated with the chemosorbed substances on the base of titanium alkoxides, polyalkylhydridsiloxanes and polyorganilsiloxanes have no histotoxic properties and can be used in...
Penghua Wang et al.
Physical chemistry chemical physics : PCCP, 17(34), 21982-21987 (2015-08-04)
Nanostructured titania and titanate have been considered as very important materials used in photocatalysis, photovoltaics, gas sensing and other electronic industries. In principle, their common structural feature is that the precursor phase involving TiO6 octahedra or similar building units may...
Navneet Kaur et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 14(11), 2024-2034 (2015-08-26)
Nanocrystalline undoped, N-doped, N and metal codoped titania with different particle size, surface area, anatase phase content, crystallinity, band gap and zeta potential were synthesized by the sol-gel method. The photocatalytic activities of the synthesized TiO2 powders were compared by...
Ali Al-Otaify et al.
Physical chemistry chemical physics : PCCP, 16(27), 14189-14194 (2014-06-10)
Sub-nanosecond charge dynamics in monodisperse Au nanoparticles (NPs) supported on TiO2 colloidal spheres are studied as a function of NP diameter using ultrafast transient absorption spectroscopy. The decay of the transmittance changes observed in the region of the plasmon resonance...
Luqman Atanda et al.
ChemSusChem, 8(17), 2907-2916 (2015-08-05)
A water-THF biphasic system containing N-methyl-2-pyrrolidone (NMP) was found to enable the efficient synthesis of 5-hydroxymethylfurfural (HMF) from a variety of sugars (simple to complex) using phosphated TiO2 as a catalyst. Fructose and glucose were selectively converted to HMF resulting...
Li Qiao et al.
Analytica chimica acta, 853, 342-350 (2014-12-04)
A novel 8-electrode array as stir bar was designed for selective extraction of trace level exogenous estrogens from food samples, followed by liquid desorption and HPLC-photodiode array detection. The array consisted of 8 screen-printed electrodes and each electrode was modified...
Wei Cheng et al.
Nanoscale, 7(33), 13898-13906 (2015-07-30)
TiO2 has been considered as a promising anode material for lithium ion batteries. However, its poor rate capability originating from the intrinsically low lithium ion diffusivity and its poor electronic conductivity hampers putting such an application into practice. Both issues...
Ji-Won Jung et al.
ACS nano, 9(7), 6717-6727 (2015-06-02)
Amorphous silicon (a-Si) has been intensively explored as one of the most attractive candidates for high-capacity and long-cycle-life anode in Li-ion batteries (LIBs) primarily because of its reduced volume expansion characteristic (∼280%) compared to crystalline Si anodes (∼400%) after full...
Shaomin Liu et al.
Photochemistry and photobiology, 91(6), 1302-1308 (2015-09-06)
SnO2 -TiO2 /fly ash cenospheres (FAC) were prepared via hydrothermal method and used as an active photocatalyst in a photocatalytic system. Scanning electron microscopy, X-ray diffraction analysis, UV-Vis diffuse reflectance spectroscopy, Fourier transform infrared spectroscopy and N2 adsorption-desorption measurements were...
Gu, H. et al.
Rengong Jingti Xuebao, 25, 54-54 (1996)
Minggui Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 31(22), 6220-6228 (2015-05-23)
Yolk@shell nanostructures of Au@r-GO/TiO2 with mesoporous shells were prepared by a sol-gel coating process sequentially with GO and TiO2 on Au/SiO2 core/shell spheres, followed by calcination and template removal, where the silica interlayer acts as a template not only to...
Jaegeon Ryu et al.
Nanoscale, 7(14), 6126-6135 (2015-03-17)
We demonstrate a simple but straightforward process for the synthesis of nanotube-type Si-based multicomponents by combining a coaxial electrospinning technique and subsequent metallothermic reduction reaction. Si-based multicomponent anodes consisting of Si, alumina and titanium silicide show several advantages for high-performance...
Mingyu Su et al.
Biological trace element research, 124(2), 173-183 (2008-04-22)
To further evaluate the photosynthetic effects of nanoanatase, the improvement of spinach chloroplast photosynthesis damaged by linolenic acid was investigated in the present paper. Several results showed that after the addition of nanoanatase to the linolenic acid-treated chloroplast, the light...
Zhifeng Jiang et al.
Dalton transactions (Cambridge, England : 2003), 43(36), 13792-13802 (2014-08-12)
We report a novel synthesis approach employing bamboo leaves as sources of both the C/N dopant and reductant to the formation of C/N co-doped TiO2 modified with Ag and g-C3N4 (Ag/CN-TiO2@g-C3N4). In this case, the ternary composite has a hierarchical...
Yi Hong et al.
Colloids and surfaces. B, Biointerfaces, 123, 68-74 (2014-09-13)
In this study, we investigated the differences between amorphous and anatase TiO2 at the biomolecular level which could explain differences in the osteoblast response on these surfaces. The number of surface hydroxyl groups in the TiOHT form on amorphous and...
Masaki Kitahara et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(37), 13073-13079 (2015-07-29)
Highly ordered mesoporous niobium-doped TiO2 with a single-crystalline framework was prepared by using silica colloidal crystals with ca. 30 nm in diameter as templates. The preparation of colloidal crystals composed of uniform silica nanoparticles is a key to obtain highly ordered...
Beidou Xi et al.
Huan jing ke xue= Huanjing kexue, 23(1), 66-69 (2002-05-04)
Photocatalysts Pt/TiO2 coated on hollow glass beads were prepared by tetrabutyl titanate hydrolysis with Sodium silicate on hollow glass beads at various condition and loaded with platinum varying from 0.2% to 2.4% by weight. Sodium pentachlorophenolate (PCP-Na) solution were used...
Jianjian Lin et al.
Scientific reports, 4, 5769-5769 (2014-08-30)
Three-dimensional (3D) hierarchical nanoscale architectures comprised of building blocks, with specifically engineered morphologies, are expected to play important roles in the fabrication of 'next generation' microelectronic and optoelectronic devices due to their high surface-to-volume ratio as well as opto-electronic properties....
Picheng Gao et al.
Dalton transactions (Cambridge, England : 2003), 44(2), 773-781 (2014-11-20)
A facile synthetic route for TiO2-CdSe heterostructures was proposed based on dentate binding of TiO2 to carboxyl. Carboxyl functionalized CdSe quantum dots (CF-CdSe QDs) were successfully bonded onto TiO2 nanoparticles (NPs), which could significantly improve the photoelectrochemical (PEC) properties of...
Huaqiang Zhuang et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(7), 1352-1355 (2015-02-26)
Ternary core-shell heterostructured rutile@anatase@Crx Oy nanorod arrays were elaborately designed as photoanodes for efficient photoelectrochemical water splitting under visible-light illumination. The four-fold enhanced and stabilized visible-light photocurrent highlights the unique role of the interim anatase layer in accelerating the interfacial...
Sahar Hamzezadeh-Nakhjavani et al.
Environmental science and pollution research international, 22(23), 18859-18873 (2015-07-25)
Preparation of novel nanocomposite particles (NCPs) with high visible-light-driven photocatalytic activity and possessing recovery potential after advanced oxidation process (AOP) is much desired. In this study, pure anatase phase titania (TiO2) nanoparticles (NPs) as well as three types of NCPs...

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