facile synthesis of zno micro-nanostructures with controllable morphology and
facile synthesis of zno micro-nanostructures with controllable morphology and
... me p age: www.elsevier.com/loc ate/apsusc Facile synthesis of ZnO micro-nanostructures with controllable morphology and their applications in dye-sensitized solar ... growth of ZnO, and results in the mor- phology of ZnO changing from “wire” to “flower”, “urchin” and “wire” with the addition of different amounts...
Ngày tải lên: 06/05/2014, 13:23
synthesis of bundled tungsten oxide nanowires with controllable morphology
... Synthesis of bundled tungsten oxide nanowires with controllable morphology Shibin Sun a,b, ⁎ , Zengda Zou a , Guanghui Min a a School of Materials Science and Engineering, Shandong University, ... Peaks of monoclinic W 18 O 49 are marked by + and Unassigned peaks are marked by *; (b) EDX profile of bundles synthesized at concentration of 0.007M. Fig. 2 – (a) TEM and (b...
Ngày tải lên: 20/03/2014, 13:08
controllable hydrothermal synthesis of zno nanowires arrays on al-doped zno
... www.elsevier.com/locate/apsusc Controllable hydrothermal synthesis of ZnO nanowires arrays on Al-doped ZnO seed layer and patterning of ZnO nanowires arrays via surface modification of substrate Jin ... at 80 ◦ C and the growth time between 1 and 3 h, the length and diameter of the ZnO- NWZ and the ZnO- NWA...
Ngày tải lên: 06/05/2014, 13:22
controllable synthesis of zno architectures by a surfactant-free hydrothermal process
... the side surface of a single tower. Fig. 2b′ shows a typical TEM image of a ZnO tower with diameter of 300 nm, and the corresponding HRTEM image (upper right inset of Fig. 2b) and SEAD pattern ... of ZnO structures possibly by tuning the reaction rate. 2. Experimental In a typical synthesis, 0.0075 mol of glycol was added into 15 ml of aqueous solution of Zn(NO 3 )...
Ngày tải lên: 06/05/2014, 13:22
facile synthesis of porous a - fe2o3 nanorods and their application in ethanol sensors
... ethanol vapor with concentrations of 50, 100, 200, 500, and 1000 ppm. The sensing properties of R-Fe 2 O 3 nanoparticles with an average particle size of about 30 nm and a surface area of 18.31 m 2 /g, ... the size of Figure 3. (a, b) TEM and HRTEM images of R-FeOOH nanorods. (c, d) TEM and HRTEM images of porous R-Fe 2 O 3 nanorods. (e) The corresponding ED pattern...
Ngày tải lên: 19/03/2014, 16:48
one - pot facile synthesis of iron oxide nanowires as high capacity anode
... Page 10 of 14 Accepted Manuscript 10 Caption of figures Fig. 1. X-ray diffraction pattern of alpha phase iron oxide nanowires. Fig. 2. SEM and TEM Images of Fe 2 O 3 nanowires and precursors. ... degree Figure(s) Page 12 of 14 Accepted Manuscript 2 Fig. 2. SEM and TEM images of Fe 2 O 3 nanowires and precursors: (a) SEM image of Fe 2 O 3 nanowire precursors. (b) SE...
Ngày tải lên: 20/03/2014, 13:05
sol–gel assisted hydrothermal synthesis of zno microstructure
... crystalline size for ZnO- 11, ZnO- 12, ZnO- 13 and ZnO- 14 samples is about 37 nm, 45 nm, 33 nm and 36 nm, respectively. Compared with the standard card, the ratios of relative XRD intensities of (100)/(002) ... samples. As for ZnO- 12 and ZnO- 13, although the surface area of ZnO- 12 is smaller than that of ZnO- 13, it exhibits more surface defects, larger areas of...
Ngày tải lên: 06/05/2014, 13:26
Tài liệu The Acquisition of Drugs and Biologics for Chemical and Biological Warfare Defense - Department of Defense Interactions with the Food and Drug Administration doc
... Drug Application ORA Office of Regulatory Affairs ORO Office of Regional Operations OSD Office of the Secretary of Defense PB pyridostigmine bromide PEO Program Executive Officer PHSA Public Health ... xv drug and biologics development because of the increased apprecia- tion of the threat of biological weapons. The CBW threat, both to national and homeland security, raises t...
Ngày tải lên: 17/02/2014, 11:20
solvent-controlled synthesis of tio2 1d nanostructures growth mechanism and characterization
... Solvent-controlled synthesis of TiO 2 1D nanostructures: Growth mechanism and characterization Kajari Das à , Subhendu K. Panda, Subhadra Chaudhuri Department of Materials Science and DST Unit of Nanoscience, ... to investigate the effect of the co-solvent on the morphology and the properties of TiO 2 nanostructures, 19.2 g of NaOH was dissolved in 48 ml mixed solvent o...
Ngày tải lên: 20/03/2014, 13:08
synthesis of pd or pt titanate nanotube and its application
... plate with a platinum heater. The sensor with Pd and Pt/titanate nanotubes showed higher response than that with conventional Pd and Pt catalysts. This seems to be due to the evenly dispersed Pd and ... tempera- ture of the sensing element is generally compared with that of a compensating element without catalysts. Commercially avail- able catalytic gas sensors consist of...
Ngày tải lên: 20/03/2014, 13:08