Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst

... Preparation and photoluminescence of high density SiOx nanowires with Fe 3 O 4 nanoparticles catalyst X.J. Wang a, ⁎ , B. Dong b , Z. Zhou a a School of Electronics Engineering and Computer ... 2009 PACS: 81.05Y 78.55 Keywords: SiOx nanowires Photoluminescence Large scale, high density SiOx nanowires have been synthesized using a novel Fe 3 O 4 nanopar...

Ngày tải lên: 16/03/2014, 15:11

... images of the nanosheet TiO 2 calcined at 600 and 700 °C showed almost nanoparticles with a mixture of anatase and rutile TiO 2 structure (about 10–50 nm in diameter, at 600 °C, Fig. 6(g–h)), and ... Yoshikawa a, ⁎ a Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, Japan b Department of Materials and Metallurgical Engineering, Faculty of Engineering,...

Ngày tải lên: 20/03/2014, 13:06

... addition of LPS Re and LBP (B), after incubation with LPS Re and subsequent addition of HDL and LBP (C), and after incubation with a preincubated mixture of LPS and HDL and sub- sequent addition of ... types of examinations. Preincubation of the cells with LPS Re (30 min at 37 °C) and following addition of HDL, pre- incubation of the cells with HDL and...

Ngày tải lên: 17/03/2014, 10:20

... Preparation and photoluminescence properties of amorphous silica nanowires X.C. Wu * , W.H. Song, K.Y. Wang, T. Hu, B. Zhao, Y.P. Sun, J.J. Du Laboratory of Internal Friction and Defects ... of the nanowires at a diameter of 60±110 nm and a length up to hundreds micrometers. Besides most smooth-surface polyp- shaped nanowires, two other forms of nanowires, named amoe...

Ngày tải lên: 16/03/2014, 15:07

... of the nanowires aggregated into bundles in the solution Fig. 1. XRD pattern of the as-prepared nanowires (A and B represent anatase and brookite, respectively). Fig. 2. A typical SEM image of ... and 545 nm under excitation at 413 and 473 nm. The PL intensity of TiO 2 nanowires excited at 413 nm is relatively Fig. 3. (a) A TEM image of a single anatase TiO 2 nanowire...

Ngày tải lên: 19/03/2014, 16:48

... 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 ... (DMAc) firstly, and then styrene, divinylbenzene (DVB) and benzoyl peroxide (BPO) were added to the solution and stirred with water bath at 343 K. The dosage of PVDF...

Ngày tải lên: 05/09/2013, 16:11

... poor compared with that of the controlled cageless type, with some form of position sensing. Although, the majority of synchronous reluctance motors International Journal of Energy and Environment ... Analysis and performance of high efficiency synchronous reluctance machines M. Nagrial, J. Rizk, A.Hellany University of Western Sydney, School of Engineering...

Ngày tải lên: 05/09/2013, 16:30

... dosimetric properties of the powder were studied. The main dosimetric peak of LiF:Mg,Cu,Na,Si appeared in the range of 227− 247 o C and the ratio of the height of the main peak to that of the other small ... Journal of Science, Mathematics - Physics 23 (2007) 225-231 In the present work, we prepared LiF powders activated with Mg, Cu, Na and Si and studied the dependence...

Ngày tải lên: 13/02/2014, 04:20

... 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 t...

Ngày tải lên: 13/02/2014, 04:20

... detection, evaluation, and treatment of persons with high blood pressure. 160,161 Follow U.S. Department of Health and Human Services Clinical Practice Guideline: Treating Tobacco Use and Dependence. 621 Promote ... avoidance or cessation of cigarette smoking, reduction of intakes of saturated fats and cholesterol, achieving and maintaining a healthy body weight, regu...

Ngày tải lên: 14/02/2014, 09:20