Platform for anything related to graphene; its synthesis and applications | Contact experts in Graphene to get answers
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Questions related to Graphene
please help me to choose the best source and theoretically calculate band structure for 2Dmaterials( graphene, MoS2,...)? thanks a lot.
13 January 2021 2,948 3 View
how to calculate the amount of loaded metal nanoparticles on graphene support?
08 January 2021 7,390 2 View
can i use high performance liquid chromatography to measure the concentration of graphene nanomateiral in a soultion ? what type of detector should i use ? also what if interference happened with...
07 January 2021 3,330 1 View
After mixing Graphite flakes, NaNO3 H2 SO4 and potassium permanganate, mixture is stirred 35°C for 2 h. Question I have; Can increase temperature like 60 C and stirred 2h instead of 35 C 2h...
05 January 2021 5,155 2 View
I want to reinforce Graphene Nanoplateles (GNP) with virgin PP. But I am confused about what will be the permissible limit of GNP in weight% that can be added to PP. I have tried to reinforce GNP...
29 December 2020 551 2 View
is the concentration of gold salt that were added will affect on the peaks appeared. i added a very little amount of gold salt to dope graphene oxide and not all the peaks that proved the...
18 December 2020 9,472 3 View
where from I see it I believe that dielectric constant should increase with an increase in bandgap but reports and wiki show an indirect relation if it is so then why do insulators have high...
16 December 2020 2,040 6 View
I want to deposition a dielectric layer on top of the CVD wet transferred graphene. The purpose of the dielectric layer is to uniformly cover the graphene and enable the top-gate modification of...
15 December 2020 7,853 2 View
I have simulated FSS unit cell ,how can I identify the S parameter of Floquet port dB(S(FloquetPort1:1,FloquetPort1:1)), dB(S(FloquetPort1:1,FloquetPort1:2)),...
07 December 2020 9,718 14 View
I am trying to deposit graphene oxide film on steel electrode via drop casting (Electrochemical synthesis of layer-by-layer reduced graphene... ) and dry it in oven at 60 C. when i put this into...
05 December 2020 966 2 View
I dispersed reduced graphene oxide in NMP solution and tried to coat it on a glass substrate using dip coating system. But I am not able to get a uniform coating. Please suggest me a solvent and a...
27 November 2020 9,050 4 View
Hi. I have a question regarding electrochemical exfoliation of graphene. In every paper, whether anodic or cathodic exfoliation, voltage is mentioned (either 10V, 12V or 15V). I haven't read about...
25 November 2020 3,964 3 View
Dear Researchers, Can someone explain me the detailed procedure for the preparation of a "Graphene" sample containing flakes from 5 to 50 nm thick in SEM on Si/SiO2 wafers? Do I have to contact...
24 November 2020 3,262 5 View
We intend to test the effect of graphene oxide on plant growth. Does graphene oxide have a negative impact on the environment and human health?
24 November 2020 8,845 3 View
What are the products of the reactions mentioned above? And by what mechanism are they produced? Does graphene oxide itself participate in the reaction? Does not sulfate react with graphene...
19 November 2020 7,154 6 View
i am trying to dope boron in graphene oxide , and after i take out my samples from the oven i put them in the microwave for 40 sec , and i saw sparkles . and fume also i couldn't understand why
17 November 2020 6,996 5 View
I am trying to optimizer a graphene structure of 40 carbons and 16 hydrogens. I tried to do a lot of things on the command line, but i always get the following error: "Error termination in...
17 November 2020 9,640 3 View
? As I have synthesized graphene oxide following the Modified Hummers method.One thing I understand that the absorption is too high but what is the reason behind this distortion and how I can fix...
06 November 2020 7,652 4 View
Dear I'm trying to define graphene channel by using GXR/LOR photoresists In my case, I transfer graphene on top of ALD Al2O3 through wet transfer method But, when finished the etching step (low...
02 November 2020 3,505 3 View
Can graphite be reduced to graphene oxide by modified hummers method- with the conditions followed being treated with water, heated using hot air oven at 180 degree Celsius for 24 hours and what...
30 October 2020 6,304 5 View
I am using GO and a thermoplastic to create nanocomposite and am going for the melt route. My temperature in the second zone of extruder reaches 120 C and near die it reaches upto 190 C. GO...
24 October 2020 1,542 3 View
I am trying to build a predictive model that could determine the concentration to which graphene can be suspended in a solvents ( and that doesn't involve molecular simulations)
22 October 2020 4,985 4 View
The water contact angle results exhibited increased hydrophilicity by increasing the graphene oxide(0 to 0.5%w/v). Still, it occurred oppositely at the concentration of 0.75%w/v even with...
20 October 2020 661 3 View
What are the possible ways to convert GO to rGO?
20 October 2020 2,976 4 View