Why size of the quantum dots increased after attachment on the glassy carbon electrode surface?

Size of the quantum dots is 2.3 nm after attachment on glassy carbon substrate, the size drastically increased to 40 nm. but shape of the Quantum dots is retained. is it due to aggregation?...

02 March 2019 1,954 3 View

Is it possible to get high electrocatalytic activity with electrode with lower electroactive surface area?

is it possible to get high electrocatalytic activity with electrode with lower electroactive surface area? what are the factors affecting electrocatalytic activity of the modified electrodes?

05 June 2018 6,355 0 View

Is it possible C-O bond formation like C-N bond in glassy carbon electrode in the basic condition?

is it possible C-O bond formation like C-N bond in glassy carbon electrode in the basic condition? In alkaline condition is Carbon-Oxygen bond formation possible in glassy carbon electrode?

31 December 2017 1,022 0 View

How to elucidate the structure of carbon dots?

How to find the exact structrue of carbon dots? i want to find the structure of carbon dots precursor for carbon dots was glucose is there any relation between precursor and structure of Carbon...

09 October 2017 8,077 1 View

Doubt in BSA capped Nanoparticles?

05 June 2017 6,152 3 View

How to remove Gold nanoparticles from glassy carbon electrode surface?

04 May 2017 5,962 7 View

Role of laviron equation electrochemical determination of methyl parathion?

04 May 2017 4,375 0 View

Is there any relation between pH and surface area?

02 March 2017 8,256 0 View

Can anyone suggest me negative redox potential biomolecules ?

please help to fine negative redox potential biomolecules like Hydrogen peroxide

01 February 2017 3,076 0 View

How to find the concentration of carbon dots?

How to find the concentration of Carbon dots? from weight of the starting materials how to find the concentration of carbon dots. is there any relation between the total weight of the starting...

31 December 2016 2,820 1 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 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