Why does Perovskite based solar cells have better efficiency than Silicon based solar cell?

Why do perovskites have better efficiency than silicon based solar cells? Although the CH3NH3PbI3 has higher bandgap of 1.55 as compared to silicon 1.11 eV. Even Silicon has thousand times higher...

07 August 2018 1,089 18 View

What are the properties of an ideal synthesizer for perovskite solar cell?

What properties should a synthesizer to be used for solar cell should have? What should be its crystal structure? What should be its bandgap?

06 July 2018 9,013 3 View

What is the Absorption coefficient of CH3NH3PbI3 and Silicon?

Is possible can i get access to absorption coefficient graph across the visible spectrum for Methyl ammonium Lead iodide and Silicon?

06 July 2018 3,584 0 View

Is there any relation between the Spin coating rpm, the viscosity of liquid being spin coated and the final thickness of layer deposited?

Spin coating technique is used to deposit a uniform layer on a substrate. Here a film is formed by axially revolving the substrate, thus making use of centrifugal force. Is there any mathematical...

05 June 2018 6,528 2 View

Does , thickness of counter electrode, i.e Gold, affect the solar cell performance? In Perovskite solar cells?

want, to know whether, there is any optimal value of gold's thickness? for Perovskite solar cell?

04 May 2018 1,029 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Bought HUVEC from Invitrgen.need to revive it.expected it is cryofreezed in DMSO.Do I need to remove the DMSO for plating the cell for the 1st time?

After I cryofreeze the cell do I need to remove the DMSO for culturing the cell for next passages .

28 February 2021 7,738 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View