Minh Nhat Dang

9 Questions 8 Answers 0 Followers

Questions related from Minh Nhat Dang

What is the relationship between intensity of XRD peaks versus the number of layer of 2D materials?

When I applied the same characterization condition and same weight of graphitic materials, graphene (red line) and graphite source (black line) got different intensities but the similar peak...

12 December 2016 4,812 7 View

How to determine the number of layers of graphene nanopowder?

HRTEM technique can show the layers but for scalable amount of graphene powder, I believe it's not an effective way. Another method, using XRD analyzing samples with similar examined amount...

10 October 2016 3,156 10 View

Is there any inorganic electroconductive/ionic solvent dissolving sulfur S8?

I am looking for the suitable solvent for electrochemical reduction of Sulfur element in S8 form. It is very effective if you prefer protic to aprotic solvent.

08 August 2016 9,782 1 View

How can you calculate the volume fraction of graphene in the liquid solution?

I've read various papers about graphene and graphene-CNTs in nanofluid. They calculate the specific volume fraction and then test the heat tranfer properties.For example, in their works, the...

07 July 2016 9,586 2 View

What is mole percent metal?

The concentration of calcium in ammonia solution is about 4 to 10 MPM (mole percent metal) (i.e saturation).I don't understand this term and how to calculate it precisely.

07 July 2016 6,119 0 View

What are the softwares to analyze the spectrum?

I have lots of spectra from XRD, Raman and XPS. It requires Gaussian fitting method but using Matlab code is very difficult. Could you suggest any software that helps to analyze the spectra: curve...

05 May 2016 6,784 6 View

How many methods are there to synthesize MoS2/Graphene hybrids?

Molybdenum disulfie (MoS2) plays an important role in HER process and Graphene has very good electro-conductivity. I am a new one putting the first step in this high-level synthesis. Could anyone...

04 April 2016 5,036 2 View

How can we determine the ratio of single material inside the hybrid material?

I have an material A combining with material B to form an hybrid material. Both A and B have crystalline inorganic structure. Beside the EDXS, is there any technique to find precisely the amount...

03 March 2016 2,914 8 View

Can we change a solvothermal (hydrothermal) to a reflux process?

My question is about the case that the temperature in solvothermal condition is below the boiling point of the solvent. I know the different priorities of each process but mostly I believe the...

01 January 2016 4,760 1 View