How to use Graphene Based Field Effect Transistor as Rectifier for High frequency applications?

More Kapil Bhatt's questions See All

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

No title

03 March 2021 5,360 2 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

The procedure compute?

02 March 2021 5,204 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 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

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 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 it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

Are there any candidates for an Einstein's bare cosmological constant?

It is commonly accepted that General Relativity has its own 'bare' cosmological constant that contributes together with the cosmological constant resulting from vacuum energy density for an...

23 February 2021 5,448 8 View

Chandan Biswas

Hi Kapil,

The simplest way to make rectifier is to make Diode first. There are several ways you can achieve that..

Using Schottky junction contacts: Use different metal contacts in S & D of Gr-FET. This will provide different Schottky junction resistance at the contact and will give you Schottky diodes.

Chemical doping method: In Gr-FET, dope half of the channel with N-type chemical dopant (such as benzyl viologen). Intrinsically, Gr is P-type in the atmosphere. by chemical doping of half of the channel, you will make a P-N diode. For example, look at my previous work, where I made high frequency rectifier using CNT diods. You can do the same thing only by replacing CNTs to Gr.

Article Chemically Doped Random Network Carbon Nanotube p-n Junction...

Electrostatic doping control: You have to make two gates in the Gr channel. One to make P-type conduction, and another to make N-type conduction. This will give you P-N diode operations as well.

Once you successfully made diode using any of the above methods, you can easily make high frequency rectifier using that diode. You can check my above paper to know how.

Hope this will provide you some direction.

Good luck.

CB..

For graphene you just need to open the band-gap. That's it.. There are many ways to do that, either electrostatic or chemical doping or even using bi-layered Gr or Nano-ribbons. The paper only demonstrate a similar strategy. Regarding CNTs, you can find all the differences with Graphene in electronic devices, optoelectronic devices, chemical doping etc in this article below. Tried to help you and provided some information, signing-off from here. Hope this will help you further.

CB...

Article Graphene Versus Carbon Nanotubes in Electronic Devices