flower like tungsten oxide particles synthesis, characterization and dimethyl
flower like tungsten oxide particles synthesis, characterization and dimethyl
... ScienceDirect Analytica Chimica Acta journal homepage: www.elsevier.com/locate/aca Flower- like tungsten oxide particles: Synthesis, characterization and dimethyl methylphosphonate sensing properties Yingqiang Zhao a,b , ... flower -like WO 3 particles. By considering Figs. 5a and b and 1a, the formation of WO 3 may be roughly divided into three stages. First, tungsten...
Ngày tải lên: 05/05/2014, 15:28
Large scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide
... Large-scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide Sanjay K. Srivastava a, Ã , ... crystalline Si core and amorphous SiO 2 outer shell structure as confirmed by HRTEM image and SAED pattern. On the other hand, the formation of crystalline Si–SiO 2 core-shell nanowires first and then comple...
Ngày tải lên: 16/03/2014, 15:18
Báo cáo Y học: Synthesis, characterization and application of two nucleoside triphosphate analogues, GTPcNH2 and GTPcF pdf
... Synthesis, characterization and application of two nucleoside triphosphate analogues, GTPcNH 2 and GTPcF Michael Stumber 1 , Christian Herrmann 2 , ... on the other hand are specialized in the control of intracellular communication processes such as signal transduction (Ras and Rho families) or protein and vesicle trafficking (Ran and Rab families, ... be adjusted were the relati...
Ngày tải lên: 18/03/2014, 01:20
quasi - one - dimensional metal oxide materials — synthesis, properties and applications
... metal oxide nanowires, such as zinc oxide (ZnO), tin oxide (SnO 2 ), indium oxide (In 2 O 3 ) aluminum oxide (Al 2 O 3 ), gallium oxide (Ga 2 O 3 ), tungsten oxide (WO 3 ), and vanadium oxide ... al. [208]. Unlike other n-type oxide, CuO is a representative of p-type semiconducting oxides with a relative small bandgap energy of 1.2 eV. J.G. Lu et al. / Materials Science...
Ngày tải lên: 20/03/2014, 13:06
synthesis, characterization and growing mechanism of monodisperse fe3o4 microspheres
... Synthesis, characterization and growing mechanism of monodisperse Fe 3 O 4 microspheres Yingdi Lv a , Hui Wang a, Ã , Xiaofang Wang a , Jinbo Bai b a Key Laboratory of Synthetic and Natural ... acid, 0.015 g PEG-6000 and 0.4 g NaOH as precipitator. 200nm dc 50μ μ m a 200nm b Fig. 4. SEM images of Fe 3 O 4 products synthesized at 120 1C for 3 (a and b) and for 8 h (c and d) wit...
Ngày tải lên: 20/03/2014, 13:08
ZnO nanorods synthesis, characterization and applications 31034
... layer and Au catalyst assisted grown NRs array: grown at substrate temperature (a) 900, (b) 850 and (c) 700°C, respectively 4.2 Optical properties As the energy band structure and bandgap ... excitonic recombination. The peak II at ~390 nm is likely to be due to band-to-band transition between band tail states (Wang et al., 2002a). These band tail states are primarily caused by the...
Ngày tải lên: 28/04/2014, 13:15
ZnO nanorods synthesis, characterization and applications 31035
... 0.89 Wcm -2 , Ar-O 2 ratio 95: 5, and the substrate temperature of room temperature (RT) were 1.89 and 0.93, respectively, and they could be enhanced to 1.91 and 0.94 by further annealing at ... emission and yellow emission compete with each other, and more oxygen interstitials are produced with increasing growth time and film thickness. The www.intechopen.com Structure, Mo...
Ngày tải lên: 28/04/2014, 13:15
ZnO nanorods synthesis, characterization and applications 31037
... first, and succeedingly the incident waves travel through the second and third layers. Grey denotes Ag and pale blue SiO 2 . The thickness of the first, second, and third layers is 284, 210, and ... monomers and dimers, and have photonic band structures. By structural control, it is expected to obtain desired photonic bands, for example, wave-number- independent, frequency-br...
Ngày tải lên: 28/04/2014, 13:15
ZnO nanorods synthesis, characterization and applications 31038
... Chemistry and Physics, Vol.122, No.1, pp.18, ISSN 0254-0584. Lupan, O.; et al. (2007). Nanofabrication and characterization of ZnO nanorod arrays and branched microrods by aqueous solution route and ... mobility, and variety of feasible techniques. The chemistry and physical tuning of its surface state, including processes such as annealing and chemical treatments, enhance...
Ngày tải lên: 28/04/2014, 13:15
ZnO nanorods synthesis, characterization and applications 31039
... L. M. Liz-Marzàn, and P. Mulvaney. “Gold nanorods: Synthesis, characterization and applications”, Coordination Chemistry Reviews, vol. 249, 2005, pp. 1870-1901. [2] H. Liao and J. H. Hafner. ... Hunyadi, and T. Li. “Anisotropic Metal Nanoparticles: Synthesis, Assembly, and Optical Applications”, Journal of Physical Chemistry B, vol. 109, 2005, pp. 13857-13870. [7] S. Link...
Ngày tải lên: 28/04/2014, 13:15