ZnO powder stick hard to the ceramics crucibles?

I am melting Zn based solution in furnace, the solution is in Ceramics crucibles but after heating at 900 C the obtained powder is dark grey colour (Not white) is sticking hardly to crucible (so...

07 August 2018 1,197 14 View

Raman Spectra of Graphene (only 2D peak)?

Dear Researchers: I am wondering after getting FT-Raman spectra, Ge Diode of Graphite, Graphene oxide and Graphene. All results shows only one peak (2D) around 2900-3100 cm-1 , even graphite...

04 May 2018 9,816 4 View

PDMS stamp for contact lithography?

I am fabricating multi-layer PDMS stamp for nano lithography. Unfortunately I am not able to get good pattern transfer from silicon template after molding on the template. After fabricating, for...

03 April 2018 7,305 5 View

Redox potential of 0.6M NaCl solutions?

Hallo: I want to see the exchange current in charge transfer reactions at TiO2 films -0.6M NaCl solution interface.I want to know about the redox potential of my solution as its very important to...

02 March 2017 5,331 4 View

Optimization and Stability for Electro-chemical measurements?

Well, Its kind of annoying to get Impedance/OCP results different for every new sample. Samples prepared and processed with same parameters and using same pH electrolyte. Samples are commercial...

31 December 2016 4,785 1 View

Can I use same working electrode for different pre polarization experiments?

31 December 2016 7,978 4 View

Mott-Schottky Plot of n-type shows negative slope like p-type Semiconductor?

I have measured and got MC plots for titanium oxide on titanium substrate. Measurements were done with different pre-polarization time galvanstatically. On some samples i have received negative...

31 December 2016 1,192 18 View

Effect of Graphene nanoparticles sizes on Hydrophobic and anti-reflective coatings?

I am interested in Graphene nanoparticles to be used as super hydrophobic and anti-reflective smart coatings. I haven't started any experimental techniques but doing literature review for my...

05 June 2016 4,590 3 View

Can anyone help with XRD of graphene and graphene oxide?

I have received XRD results of Graphite, GO and Graphene sample. I got peak of highest intensity at 26degree in graphite sample. The intensity of peak at 26deg is reduced and other peak with small...

03 April 2014 2,072 6 View

Can anyone help with Raman spectroscopy of graphene and graphene oxide?

What ranges of D and G peaks will suggest that Graphene and Graphene Oxide is synthesised as in the literature there are alot of variations like D peak ranges from 1320 to 1365 G Peak ranges from...

01 February 2014 9,658 28 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How can I calculate the rdf of water molecules around 'Na' ions that are closest(adsorbed) to the nanoparticle(solute)?

Hi, I want to calculate the radial distribution function for water molecules around the Na+ ions adsorbed on the surface of a spherical nanoparticle using the gromacs trajectory dynamically? For...

28 February 2021 5,650 1 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View