What is the different of C-F, C-F2 and C-F3 bond in C1s or F1s of XPS result?

I was measured the XPS of my FeF2 coated by carbon and got the XPS results of 288.5 eV and 292eV in C1s which were correspond to the C-F and C-F2, also in my F1s contain that peak of C-F and C-F2...

02 March 2019 7,854 8 View

Why nitrogen doped has bad performance in sodium ion batteries?

I was made fef3 materials with n doped carbon and without n for sodium ion batteries but the performance of n doped sample always inferior than without n doped, not like in lithium ion case. I...

07 August 2018 1,269 1 View

Why nitrogen doped has bad performance in sodium ion batteries?

I was made fef3 materials with n doped carbon and without n for sodium ion batteries but the performance of n doped sample always inferior than without n doped, not like in lithium ion case. I...

07 August 2018 6,883 3 View

Why graphitic carbon can improve the conductivity of active material for Lithium or Sodium Ion Batteries compare with amorphous carbon?

Actually, I'm a little curious what makes graphitic carbon has better conductivity compared with amorphous carbon? -Thanks-

03 April 2018 8,203 0 View

What the best method to preparing sample for TEM measurement?

I have matrial FeO containing graphitic carbon from MOF Fe and when I did TEM measurement: 1. I using big consentration between my FeO and ethanol and then sonication for 5 min, and the result of...

10 November 2017 9,902 7 View

What's the proublem with my cell if when I tested it showed like spike patern at voltage or current graph ?

07 August 2017 3,281 2 View

Is it possible for change carbon material to become silicon for Lithium Ion Battery?

07 August 2017 5,708 4 View

Which the best way to release hydrogen from MOF for produced energy ?

07 August 2017 3,961 3 View

How we know we success Nitrogen doping or not

I doped MOF and burn with high temp. and how I know I success with doping?

06 July 2017 4,216 11 View

What the best free software for checking compound from XRD raw data

06 July 2017 9,480 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 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

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

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View