What is the chemical effect of Graphene oxide cross-linking with metal ions?

I am exploring the effect of cross-linking between the graphene oxide nanosheets by mono and multivalent cations. How a metal ion reacts with GO nanosheets and what chemical changes it will...

08 September 2018 9,501 3 View

How can UV-Vis spectroscopy be used to calculate lateral dimension of 2D nanosheets?

I am trying to calculate the lateral dimensions of prepared graphene oxide nano-sheets dispersed in water, several articles have indicated that UV Vis can be used as a tool to do so . However, i...

01 February 2018 8,097 3 View

Is it possible that the surface functional groups of graphene oxide (GO) will be fully subsided due to the excessive ultrasonication?

I am studying the effect of extended ultrasonication on the synthesized graphene oxide nanosheets ( specially on the activity of surface oxy-functional groups ).

31 December 2017 8,987 6 View

What are the suitable degassing conditions for Graphene Oxide and its derivative gels?

I have synthesized Graphene oxide based gels through cross-linking of GO nanosheets by metal ions of various valencies. What should be the optimum degassing conditions for its lyophilized form ?

10 November 2017 4,368 5 View

Is it possible to segregate graphene oxide nanosheets from a solution on the basis of their lateral dimensions?

I have an aqueous solution of exfoliated graphene oxide ( by ultrasonication) , Now if i wish to segregate these nanosheets on the basis of their lateral dimesions, how can i do so.?

09 October 2017 9,656 3 View

What is the effect of pH on aqueous dispersion of graphene oxide?

I am looking for the stability of aqueous dispersions of graphene oxide at various pH, can anyone describe me what should me my actual methodology to do so.? Also why these dispersions are most...

05 June 2015 4,214 1 View

I'am trying to prepare an electrode from GO-electrolyte gels, but the gels are coming out in the electrolyte solution , how can i solve this issue.?

I am trying to make an CV electrode using my GO-Electrolyte based gels mounted on glassy carbon. But after few minutes the mounted gel is coming out into the electrolyte solution (KOH). How can i...

01 January 1970 8,551 0 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

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

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

The experiment is really simple. When I do a bulk electrolysis with 1% TFAA (ACN solution) to get dihydrogen, what is going to be oxidized? (working electrode graphit, counter electrode platinum,...

18 February 2021 4,430 1 View

Antibody amino acid sequence database to simulation?

Hello, I need your help. I am looking for a database of antibody amino acid sequences for later simulation in a program in order to analyze their structure. The antibodies I need to test...

18 February 2021 371 4 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View