I want to learn the fundamentals of solar cells in general and perovskite solar cells in particluar. Is there any review paper or book regarding this?

05 June 2015 5,894 15 View

How can one determine the quantity of Diethyl Ether needed to recrystallize MethylAmmonium Iodide(MAI) from MAI-ethanol solution ?

Suppose, if we take 2 gm of Raw MAI (yellowish in color) in 20 ml ethanol then how much Diethyl ether should be added in solution of recrystallize all of (2 gm) MAI (white color).

02 March 2015 5,367 2 View

In the two-step synthesis of perovskite solar cells, why does the perovskite layer go off (evaporates) after removing from CH3NH3I-Isopropanol soln?

01 February 2015 6,627 6 View

What characterization technique can determine the amount (%) of doping element in thin films?

For example: We have prepared Solution of Zinc acetate in alcohol and we have added (doped) some % of silver in it and then deposited the solution in the form of a thin film on glass substrate, so...

31 December 2014 6,794 10 View

What are the basics and fundamental concepts that one should learn while doing research on perovskite solar cells?

It feels difficult to understand directly from research and review papers. I need to clear my concepts of energy level diagrams i.e physics and electronics, type of characterizations and their...

11 December 2014 4,017 2 View

What is the decomposition temperature of Methyl ammonium iodide (CH3NH3I) ?

Can a layer of CH3NH3I be deposited using spray pyrolysis technique ?

11 December 2014 2,496 3 View

How can I avoid coalescence of droplets on a glass substrate for depositing Zinc Acetate solution employing spray pyrolysis technique?

11 December 2014 8,794 2 View

Can anyone tell me how to extract data points from an XRD raw image file and plot the data in origin 8 software?

Thanks in advance.

11 December 2014 1,768 7 View

Can anybody tell me how to plot XRD data in origin software?

11 December 2014 2,513 18 View

How to interpret the data obtained after XRD analysis ?

XRD analysis of pure ZnO and Cu-doped ZnO was performed

10 November 2014 4,533 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View