What must be the prominent features in the Raman Spectrum of a graphene foam?

I am getting a D and G peak in the spectrum but no 2D peak.How can I know that I have synthesized the foam properly through Raman?

31 December 2016 10,004 3 View

Hi,can anyone tell me the process to clean a TEFLON lined autoclave,if it has been used for TiO2 particles?

I want to clean the autoclave,and use it to produce graphene based hydrogels via hydrothermal method.Please help.Also,tell me the approximate time it may need to clean.

11 December 2016 5,813 3 View

Hydrogels

Can anyone tell me how to store graphene hydrogel samples?Do they have to be kept in water to maintain their integrity?

11 December 2016 8,223 1 View

Why not getting hydrogel?

Hi,I am trying to make graphene based hydrogel via the hydrothermal route.I tried heating a 30mL, 1mg/ml graphene oxide(GO) solution in 50 ml autoclave for 12hrs.At the end i found only carbon...

11 December 2016 6,380 8 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 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

Does anyone know to clarify these changes?

01 March 2021 1,290 2 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

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View