Jason Ju

7 Questions 9 Answers 0 Followers

Questions related from Jason Ju

Can you let me know the relationship b/w crystallinity and shift in XRD, Raman, FT-IR and others?

First, really thank you for reading my question. Like I said, I really wonder what kind of relationships b/w shift and crystallinity of some substances in those intruments. Please, answer me if...

12 October 2016 2,838 3 View

Can you let me know how to calculate wave impedence?

I added the equation about it here.I'm stopped since I failed to calculate wave impedence.Especially, relative permittivity and relative permeability are big obstacles for me to solve.What I'd...

10 September 2016 6,307 2 View

Why isn't it working to increase voltage above 1 V in galvano setting of EC lab?

Hello, I'm a student studying supercapacitor and using EC lab for measuring electrochemical reactions. I have a queation 'why isn't voltage window above 1 V in galvano setting of EC lab ?' A...

21 July 2016 5,145 4 View

Is there any TEM grid without carbon?

Thank you for reading my question. I'm looking at a TEM-grid without C-component since I'd like to get a microscopic image showing C-layers over metal oxide. When I try to differentiate C layer...

23 June 2016 3,641 6 View

Can I know the exact mechanism by which metal precursor is coated on reduced graphene oxide reduced from graphene oxide??

as far as I'm concerned, graphene oxide(GO) is usually utilized for metal coating. if we suppose that iron precursor such as iron chloride is coated on reduced graphene oxide during which GO is...

06 April 2016 7,508 3 View

Can you explain averge thickness of graphite and graphene nanoplatelet(GNP) or the range of their thicknesses??

Firstly, thank you for reading my question. I'm very confused when I differentiate thicknesses of graphite and GNP and I'd like to know the standard of their thicknesses to classify...

14 March 2016 5,621 3 View

How does the type of gas atmosphere in TGA affect thermal residue (detailed and specific questions included)?

Good day! I need ur help seriously plz share ur idea with me. my question is, as far as I know there are several gases used in TGA; argon, nitrogen, oxygen and air. I understand the reason argon...

05 August 2015 1,208 19 View