What is the best way to measure capacitance of graphene transistor?
For metal evaporation, cost of Au and Pd pallets are comparable. But in most of the cases, Au electrode is widely used though the work function of graphene under Au is lower than graphene under...
10 November 2018 1,865 0 View
What is thermal smearing? Is there any particular model using mono-layer graphene? Does it follow Gaussian or Fermi smearing?
10 November 2018 7,252 2 View
Electrochemical impedance spectroscopy can measure C-V characteristics for graphene FET? Can anyone share the detail experimental settings?
10 November 2018 9,337 0 View
How can we measure threshold voltage of graphene FET using CV characteristics?
10 November 2018 495 0 View
How can I model ionophoretic membrane in terms of double layer capacitance in graphene solution gated FET sensing?
06 July 2018 2,139 0 View
What is label free detection? What is the advantage in this process?
05 June 2018 10,004 0 View
Due to the heat at 1000 C, methane is decomposing by following the endothermic decomposition reaction and the by product is hydrogen. Then, why hydrogen is used with methane in CVD graphene...
04 May 2018 3,161 0 View
In CVD graphene synthesize process, which factors are playing role in absorbing carbon on metal surface which is self-limiting?
04 May 2018 221 0 View
Graphene due to its ambipolarity, can transport electricity with electrons and holes. But does any ion take part in this transportation? How holes are generated? How can I calculate...
01 February 2018 2,620 2 View
How can I calculate carrier generation and recombination rate from the total carrier density for graphene?
31 December 2017 6,681 0 View
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
I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...
26 February 2021 8,567 3 View
During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...
25 February 2021 7,994 3 View
Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...
24 February 2021 3,785 3 View
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
My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...
22 February 2021 2,965 4 View
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
I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.
21 February 2021 8,947 3 View
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
I have done electrochemical impedance by using cyclic voltammetry for one organic material. from that, I plotted bode diagram. but actually, I am very confused about how to find the capacitive...
18 February 2021 3,023 3 View