preparation and characterization of monodispersed wo3 nanoclusters on tio2(110)

... / Catalysis Today 120 (2007) 186–195 195 Preparation and characterization of monodispersed WO 3 nanoclusters on TiO 2 (110) Jooho Kim a , Oleksandr Bondarchuk b , Bruce D. Kay a , J.M. White a,b, * , ... Nanoclusters; TiO 2 (110); Cyclic trimers 1. Introduction The preparation and characterization of nanoclusters on supporting surfaces remain significant challenges f...

Ngày tải lên: 20/03/2014, 13:06

... Li, Changpeng Liu, Hui Lu, et al. Preparation and characterization of sulfonated poly(ether ether ketone ketone) proton exchange membranes for fuel cell application. J. Membr. Sci, 2005, 255(1-2):149-155. ... International Energy & Environment Foundation. All rights reserved. Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel...

Ngày tải lên: 05/09/2013, 16:11

... TiO 2 photosensitivity and SnO 2 conductivity. 2. Experimentals Preparation of TiO 2 films: The principle of TiO 2 preparation in this work was based on pyrolysis of chloride salts. The ... constant with the help of an electronic digital controller. Under an open-air environment and at high temperature, hydrolysis of Ti salt solutions takes place, resulting in the...

Ngày tải lên: 13/02/2014, 04:20

... and hydrothermal preparation conditions. The structure of rutile consists of chains of TiO 6 octahedra along the c-axis [23]. The TiO 6 octahedra in the chain connect through one shared edge, ... temperature of 160 8C and with growth time of 3 h. (a) TEM image and the associated selected area electron diffraction of TiO 2 nanorods; (b) lattice fringes image of high-resol...

Ngày tải lên: 19/03/2014, 16:48

... such as C–O, C=O and O – C=O which might stimulate formation of the composites, and enhance the interfacial combination of TiO 2 with carbon nanotubes. The formation of TiO 2 and its compounding ... Preparation and characterization of CNTs–TiO 2 composites Li Chen * , Bai-Lan Zhang, Mei-Zhen Qu, Zuo-Long Yu * Chengdu Institute of Organic Chemistry, Chinese Academy of S...

Ngày tải lên: 20/03/2014, 13:06

... synthesis and characterization of nanostructured materi- als (nanotubes, nanorods, nanowires, and nanosheet) have received considerable attention due to their unique properties and novel applications ... concent rated on the important metal oxides such as TiO 2 ,SnO 2 ,VO 2 , and ZnO [1–10]. Among them, TiO 2 and TiO 2 -derived materials are of importance for utilizing solar...

Ngày tải lên: 20/03/2014, 13:06

... preparation) and the pelleted fraction, after solubilization and renaturation (see Methods), called IB preparation. The S and IB preparations were fract- ionated in parallel by size exclusion chromatography followed ... fractionation by cation exchange chromatography of the IB fraction. In the latter case, only a single peak was detected, eluted at the same concentration of ammoni...

Ngày tải lên: 30/03/2014, 15:20

... concentration of mitoDC-81 within mitochondria on incubation of cells with high nanomolar to micromolar concentrations of mitoDC-81. This high local concentration of mitoDC-81 within mitochondria ... mitochondria. Incubations of 6 h with a concentration of 500 l M mitoDC-81 led to extensive alkylation of isolated DNA (Fig. 3), but such long incuba- tion times and high concen...

Ngày tải lên: 20/02/2014, 11:20

... cluster of aromatic residues consisting of Trp344, from one of the four Kv1.2 a-subunits, and Trp345 and Tyr355 of an adjacent a-subunit. The phenol ring of Tyr35 additionally forms an hydrogen bond ... the recognition, interaction and correct positioning of Pi4 on the Kv1.2 channels, and then a tighter interaction takes place through both hydrophobic forces and hydrog...

Ngày tải lên: 17/03/2014, 10:20

... intercalation host to produce tungsten oxide bronzes, by the insertion of elec- trons and protons or metal ions like Li + ,Na + ,K + ,Zn 2+ , etc. into the WO 3 structure. Synthesis of single-crystalline ... chemical vapor deposition, solvo- and hydrothermal reaction, solution-based colloidal approach, and sonochemistry processes. Among them, solvo- and hydrothermal processes offe...

Ngày tải lên: 19/03/2014, 16:48