What is the best way to coat TiO2 NW with black dye?

I need to see my TiO2 NW (10nm diam * 10 um length) under CLSM for which I intend to coat the with Black Dye. What is the best way to do it?

06 July 2018 313 0 View

What is optical conductivity?

05 June 2017 1,928 0 View

What is the "Percolation limit"?

Not in the mathematical sense but in terms of a solution. Is it a property of the solution or the material it goes through? Thanks

05 June 2017 7,366 0 View

How to find the intensity spectrum from the relative radiance spectrum?

05 June 2016 8,618 3 View

Quantum confinement energies?

03 April 2016 8,224 3 View

How does dimensionality for density of states works?

This is the typical graph describing how the density of states in a semiconductor depends on dimensionality. (Im aware there is a mistake in the 1D and 0D). I have troubles interpreting the 2D and...

03 April 2016 9,346 3 View

Why does the fermi energy lies in the middle of Eg in an intrinsic semiconducotr?

For an intrinsic semiconductor the fermi energy lies in Eg/2 (representing the probability of finding an occupied electron state of 0.5). What I do not understand is why is it in the middle of the...

02 March 2016 475 3 View

Open circuit voltage and Fill factor in inorganic solar cells?

This two parameters are commonly used to characterize Organic solar cells. Are they also valid for inorganic solar cells?

01 February 2016 9,076 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 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

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

Which compound is getting oxidized during bulk electrolysis with TFAA?

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

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View