preparation and characterization of cnts tio2 composites

... of CNTs. Fig. 3 shows TEM image of CNTs TiO 2 composites in which the black materials of different size absorbed onto Fig. 1. TEM image of as purified CNTs. Fig. 2. XPS spectrum of purified CNTs. (a) ... 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...

Ngày tải lên: 20/03/2014, 13:06

... 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 ... the most attracted materials in nanoscience and nanotechnology because of having a lot of interesting properties from fundamental and practical point of view [1,2,3]. Although...

Ngày tải lên: 13/02/2014, 04:20

... Dohna ´ lek, in preparation. [34] O. Bondarchuk, J. Kim, J.M. White, B.D. Kay, Z. Dohna ´ lek, in preparation. J. Kim et al. / Catalysis Today 120 (2007) 186–195 195 Preparation and characterization of monodispersed WO 3 nanoclusters ... supports makes it difficult to gain control of cluster size in preparing samples, and mass control of deposited species has been limited to...

Ngày tải lên: 20/03/2014, 13:06

... polymerization and phase inversion, and all of the other reagents were analytical grade. 2.2 Preparation of the PVDF-based composite membrane The PVDF powders were basified firstly, and the double ... the polymerization of styrene and the blending of PS and SPS polymers have affected the surface structure of the PVDF membrane obviously. The cross-section morpholog...

Ngày tải lên: 05/09/2013, 16:11

... Yoshikawa a, ⁎ a Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan b Department of Materials and Metallurgical Engineering, Faculty of Engineering, Rajamangala University of Technology ... Introduction The synthesis and characterization of nanostructured materi- als (nanotubes, nanorods, nanowires, and nanosheet) have received considerable attention...

Ngày tải lên: 20/03/2014, 13:06

... evolution of bacteria and moulds, and then very early recruited in the metazo- ans. Here we report the expression and purification of recombinant geodin and its thermodynamic and spect- roscopic characterization, ... of thermodynamic stability, are of about 80 kJÆmol )1 for human-c S and spherulin 3a, and of 41 and 45 kJÆmol )1 for geodin and protein S, respectivel...

Ngày tải lên: 30/03/2014, 15:20

... g of iron-oleate, 1.91mL of oleylamine and 0.64 mL of oleic acid were mixed together and were heated at 120 ∘ C for one hour. After that, the dark solution was quickly heated up to 200 ∘ C and ... coating of amorphous mesoporous silica on the surface of Fe 3 O 4 nanoparticles. All of the diffraction peaks of CdTeS QDs in Fig. 2(c) are between the diffraction peaks of the c...

Ngày tải lên: 14/05/2014, 15:49

... FE-SEM images of TNAs grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and growth time of 3 h. (a) PT-substrate; (b) top view of TNAs; ... view of TNAs. Fig. 6. Diameter distribution of TiO 2 nanorods grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160...

Ngày tải lên: 19/03/2014, 16:48

... polysaccharide. One milligram of the partially purified polymer contained 309.7 µg of protein, 160.2 µg of neutral sugar, 58.5 µg of hexosamine, 30.8 µg of uronic acid and 3.8 µg of phosphorus. Constituent ... Blank Journal of Water and Environment Technology, Vol.3, No.2, 2005 - 299 - References Banks, C. J. and Walker, I. (1977) Sonication of activated sludge...

Ngày tải lên: 05/09/2013, 09:08

... system is capable of producing off-resonance, mirror, and flat magnetic field configurations. A mirror ratio of 1·1 and a maximum flat field of 1400 G has been obtained. The measured values and the design ... varying the size of the solenoid coils, thickness of iron jacket, and amp-turns (NI). The optimum values of NI for the side and middle solenoid coils were obtained to be...

Ngày tải lên: 22/12/2013, 08:58