Báo cáo hóa học: " Preparation of Highly Crystalline TiO2 Nanostructures by Acid-assisted Hydrothermal Treatment of " ppt

... (2010) 5:1829–1835 123 NANO EXPRESS Preparation of Highly Crystalline TiO 2 Nanostructures by Acid-assisted Hydrothermal Treatment of Hexagonal- structured Nanocrystalline Titania/Cetyltrimethyammonium Bromide ... Springerlink.com Abstract Highly crystalline TiO 2 nanostructures were prepared through a facile inorganic acid-assisted hydro- thermal treatment of...

Ngày tải lên: 21/06/2014, 08:20

... ratio reached t o 100:1, Au NRs deposited on gra- phene sheets by means of layer -by- layer, which lead to illegibility of the edges of graphene sheets. As the results shown in Figure 3C, 3D, the ... graphenes, EDX spectra of graphene oxide (GO), and graphene. In the course of graphene preparation, PVP was used and remarkably increased the stability of graphene sheets because...

Ngày tải lên: 20/06/2014, 22:20

... 6:459 http://www.nanoscalereslett.com/content/6/1/459 Page 2 of 11 Preparation of WO 3 -fullerene/TiO 2 composites WO 3 -fullerene was prepared using pristine concentra- tions of TNB for the preparation of WO 3 -fullerene/TiO 2 composites. ... analyzed by UV/vis spec- troscopy. The MO concentration in the solution was determined as a function of the irradiation time. Elemental...

Ngày tải lên: 21/06/2014, 01:20

... NANO EXPRESS Open Access Preparation of monolayers of [Mn III 6 Cr III ] 3+ single- molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non- contact AFM Aaron ... layers. This differ- ence can be explained by a neutralization of charge of [Mn III 6 Cr III ] 3+ caused by the mirror-charge effect in the first layer but by anions in the other...

Ngày tải lên: 21/06/2014, 01:20

... then given by the surface fraction-weighted average of the cosines of water contact angles on a smooth alumin a Figure 1 SEM images of alumina surfaces prepared by anodic oxidation of Al. (a) ... for a single stage 9-h HMDS treatment even though the total treatment time of the alumina surface is actually higher for the case of three consecutive 4-h cycles of HMDS vapor e...

Ngày tải lên: 21/06/2014, 01:20

... was employed to observe the changes of organic functional groups. Preparation of nanofluids Three types of nanofluids were prepared by dispersing different mass fractions of the surface-modified Cu nanoparticles ... qC b Figure 6 Thermal conductivity of nanofluids: (a) Variation of thermal conductivity of nanofluids at 25°C with mass fraction of nanoparticles; (b) variatio...

Ngày tải lên: 21/06/2014, 03:20

... that 0.05 g of the CNT-CdSe composite gave the best results of photodegradation of MB solution. And the photodegradation efficiency of the MB (a) ( b ) Figure 3 SEM microphotographs of CdSe (a) ... 80°C at hydrothermal experiment. So the obtained CdSe com- pound and CNT-CdSe composite exited cubic CdSe structure. Therefore, the micromorphology of CNT- CdSeisdifferentfromthatof...

Ngày tải lên: 21/06/2014, 03:20

... HS15/propofol of 10/1/5 by weight, average micelle size of about 101 nm and PDI of 0.12 as shown in Figure 2. The LC of mixed micelles was about 32.4%, and the content of propofol in the preparation ... mL) of the release medium was taken and replaced by fresh medium. The content of propofol in the medium was measured by HPLC method as described above. The cumulative rel...

Ngày tải lên: 21/06/2014, 04:20

... demonstrate the feasibility of the process described herein. Preparation of carbon/water nanofluid by plasma arc The carbon/water nanofluid in this study was prepared by the plasma arc system [19], ... carbon/water nanofluid a b c d Figure 3 TEM image of carbon nanoparticles. (a) NC-70, (b) NC-80, (c) Edge of NC-70, (d) Edge of NC-80. Figure 4 Particle size distribution of c...

Ngày tải lên: 21/06/2014, 04:20

... development of nanofluid preparation and characterization. Powder Technol 2009, 196:89-101. 10. Zhang YX, Jiang W, Wang LQ: Microfluidic synthesis of copper nanofluids. Microfluid Nanofluid 2010, ... conductivity of nanofluids also increase linearly with the particle loading [28,29]. On comparing with some reported experimental results of CuO nanofluids, the current Figure 4 TEM ima...

Ngày tải lên: 21/06/2014, 05:20