Green reduction and patterning of graphene oxide via photothermal and electrochemical methods

... structures of RGO 14 2.3.2 Reduction of Graphene Oxide Reduction of GO to graphene can be carried out via a number of different approaches such as thermal[75], chemical[76] and electrochemical methods[ 77] ... Reduced Graphene Oxide As one can tell from the name, reduced graphene oxide (RGO) is the product from the reduction of graphene oxide (GO) Red...

Ngày tải lên: 07/10/2015, 10:10

... calibrated using a standard solar cell composed of a crystalline silicon solar cell and an infrared cutoff filter (KG-5, Schott AG, Mainz, Germany) Raman spectra were obtained on a Senterra R200-L ... Reduction of graphene oxide by an in- situ photoelectrochemical method in a dye-sensitized solar cell assembly Chen Chen1, Mingce Long*1, Min Xia1,...

Ngày tải lên: 21/06/2014, 17:20

... Characterization of graphene oxides: a AFM image of GO, b TEM image of GO, c FT-IR spectrum of GO Wang et al Nanoscale Res Lett 2011, 6:8 http://www.nanoscalereslett.com/content/6/1/8 Page of Figure ... suffocation in 15% of the GO-exposed mice, and was not evidence of pulmonary toxicity of GO In addition, the survival mice treated with 0.4 mg of GO for 24 h appeared weak...

Ngày tải lên: 21/06/2014, 08:20

... reduction is one of the most important reactions of GO The product of the reaction is usually name as reduced Graphene Oxide (rGO) rather than graphene This is because the structure of rGO is different ... between the layers of GO flakes Thermal exfoliation of GO flakes takes place through extrusion of carbon dioxide produced By measuring the mass loss of GO and the use...

Ngày tải lên: 30/09/2015, 06:25

... presence of C2H2 The denitrifying fungi predominantly produced N2O as the final product as well as those of pure strains The denitrifying bacteria produced N2O as a transient intermediate and the final ... enrich denitrifying fungi All bacteria and fungi not have denitrification activities Consequently, species and strains of denitrifying fungi were not identified,...

Ngày tải lên: 05/09/2013, 08:40

... activation was Src- and Shc-dependent and resulted in enhanced expression of the uPA gene and, to a lesser extent, of the MMP-9 gene (data not shown) Disruption of cell–cell adhesion by calcium chelation ... leading to the uPA gene However, the nature of these signaling events has remained largely unknown Because both disruption of E-cadherin- depen...

Ngày tải lên: 19/02/2014, 05:20

Ngày tải lên: 21/02/2014, 16:20

... well as NO production Accordingly, we concluded that the enhancing effect of TS on LPS/IFN -induced NO production is caused by enhancement of iNOS protein induction Effects of a-T and its derivatives ... amphiphilic structure of the polar carboxyl moiety and the hydrophobic isoprene moiety The enhancing effect of TS on LPS/IFN -induced NO production was inh...

Ngày tải lên: 22/02/2014, 04:20

... isoforms of NOS with CaM-TnC chimeras demonstrated that the roles of the four EF hands in the binding and activation of the cNOS and iNOS enzymes are distinct [13] Replacement of any CaM EF hand ... enzymes during binding and activation [4,5] The present investigation, designed to further assess the role of the two CaM EF hand pairs in the binding and...

Ngày tải lên: 16/03/2014, 13:20

... atomic ratio of Si/ O in the SiOx nanowires on the Pd Au/ Si substrate is nearly consistent with the of SiO2 An efficient diffusion path for Si in the Pd Au alloy may result from the formation of many ... structure consisting of Pd surrounded by Au facilitates the formation of nanowires Fig shows FE-SEM images revealing the general morphologies of SiOx nanowires...

Ngày tải lên: 16/03/2014, 15:16

... increases from 350 to 550 ◦ C The gas sensing of monoclinic tungsten oxide has been extensively studied There are also reports on the gas sensing of hexagonal tungsten oxide [36,37] In our present ... increase of gas concentrations Fig 9d shows the profiles of the sensor responses as a function of NO2 gas concentrations The sensor responses increase nearly linea...

Ngày tải lên: 19/03/2014, 16:48

... image of an MWCNTs -doped SnO2 sol (c); FE-SEM image of an MWCNTs -doped SnO2 (d) Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides ... ethanol gas and LPG Please cite this article in press as: N Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides an...

Ngày tải lên: 19/03/2014, 16:48

... varying NO2 concentration at an operating temperature of 200 ◦ C Please cite this article in press as: Y Qin, et al., Microstructure characterization and NO2 -sensing properties of tungsten oxide ... nanowires, mixture and nanosheets after annealing Please cite this article in press as: Y Qin, et al., Microstructure characterization and NO2 -sensing properties...

Ngày tải lên: 20/03/2014, 13:04

... template-assisted sol–gel approach via urea treatment and under hydrothermal condition for synthesizing the nanocrystalline TiO2 rods and hollow tubes, consisting of aggregates of nanorods of ∼10 nm ... and 5d Conclusions A novel approach adopting the anionic template-assisted sol–gel synthesis via urea treatment and under hydrothermal processing to synthes...

Ngày tải lên: 20/03/2014, 13:07

... of microstructural and electrochromic properties of the nanostructured tungsten oxides with mesopores from the TMDD surfactantassisted process The crystallization status, surface morphology and ... surfactant was used as a structural- directed template, mesoporous tungsten oxide was obtained by the modified sol–gel route The microstructural properties of the as -prep...

Ngày tải lên: 20/03/2014, 13:08