Is it possible to transfer a 50nm metal oxide loaded on graphene to nickel foil ?

More Poshan kumar reddy Kuppam's questions See All

Why i am not able to see photoluminescence signal using transfered MoS2 on to the FTO substrate?

i transfered mos2 on to the FTO substrate .when i check XRD and Raman i got cleared peaks where as in photoluminescence i did not get any peaks may i know what is main reason ?

08 September 2019 7,282 2 View

Can any one suggest why Mo(molybdenum) metal work better for oxygen evolution?

I saw some publication where Mo with different alloys are good for HER or OER ..? in my case with bare Mo substrate we are getting a better result ? is there any reason special reason like it...

02 March 2019 2,704 5 View

What are different ways to make Titanium nitride thinfilm into nanoparticles ?

Can any one suggest me is it possible to make 10 nm Titanium nitride thinfilm into nano particles or nano islands using annealing process at lower temperature or please suggest me any route to do...

01 February 2019 6,745 4 View

Can any one suggest me electron flow from sticked solar cell electrode to FTO substrate ?

recently i am trying to do solar cell based water splitting experiment .i am using p-type based substrate .Due to limited size of solar cell . i need to stick solar cell to FTO substate .solar...

10 November 2018 5,922 0 View

Can any one suggest best ohmic contact for P-Ge?

I am working on III-V junction solar cell based water splitting .in my case i don't want to use noble metals as a back electrode(ohmic contact ) .can any one suggest me best earth abundant...

09 October 2018 8,904 4 View

How to find perfect thickness of a semiconductor for maximum absorption in photoelectrochemical cells ?

I want to deposit Al203 on SI and FTO substrates .is there any way to find perfect thickness of the Al203 for maximum absorption on SI and FTO in case of photoelectrochemical cells

05 June 2018 1,671 5 View

Why in photoelectrochemical cells P type silicon is thicker and N-type material is in nanometer is it because of diffusion ?

I read many papers recently related to photoelectrochemical cell papers on P-type silicon substrtate they had grown on n-type SrTio3 or Al203 below 10 nanometers.the Papers are suggesting to...

03 April 2018 6,593 3 View

How to control formation of sio2 on SI ?

I am trying to deposit a semiconductor layer on silicon by mocvd and sputtering.the main problem for my experiment is formation of sio2 .how to control the formation of sio2 .? In both techniques

03 April 2018 6,243 1 View

What is main difference between deep donor,deep traps and shallow donor ?

genearlly in metal oxides there will be formation of oxygen vacancies which act as deep donor.some publication suggest to add shallow donor to overcome this issue .? may i know what is the main...

31 December 2017 3,667 2 View

Why seed layers are used for gas sensors ?

I saw in some publications .they will grow a seed layer on the top of si/sio2 .example si /sio2 / zno seed layer /sno2 nano wires for No2 application . As per my knowledge zno is good for No2...

10 November 2017 1,220 2 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

Simulation of metal drawing by Abaqus with UMAT?

Hello, colleagues. Recently, I have been working on a metal processing simulation with my UMAT in Abaqus. I have outlined the corresponding simulation, but I keep encountering issues that cause...

30 July 2024 7,062 1 View

How to make the concentration measurements for the hydrogen absorption/desorption in the metal hydride?

Hello Everyone! I am trying to create a metal hydride system where I am trying to create a temperature control with the emphasis on measuring the concentration of the hydrogen with the hydrogen...

29 July 2024 7,577 2 View

Ahmed Hmeed

GOOD question.

Anupma Thakur

This article describes the new strategy. Please go through this,

https://www.sciencedirect.com/science/article/pii/S1388248118303242

Yuri Mirgorod

It can be loaded in different ways: with the help of covalent bonds, intermolecular bonds, polymer molecules. They can be on grafene and the nickel foil. How loaded?