About perovskite solar cells, which is more suitable architecture normal planer (NIP) or inverted (PIN)?

what is the motivation of inverted PIN structure over planner NIP structure in terms of efficiency, stability, low temperature and cost etc? Which is more suitable to make tandem with Silicon...

06 July 2019 1,649 3 View

Seeking help in solving phase diagram quiz?

The figure and the details are in attachment. Thank you. Best regards, Asmat

02 March 2018 8,113 0 View

How to make the calculation of Volume % ?

In textured ceramics, instead of Mol.% or Weight% mostly people used 10 or 20 Volume % template. Anybody can explain how to calculate volume%. Please!! Thank You.

02 March 2018 5,079 3 View

How does AC conductivity of CeO2 nanostructures increase with increasing Mg doping concentration levels. Can anybody please answer with references?

01 January 1970 8,634 2 View

Why we want to study time-dependent ferroelectric transition?

Which material system has the possibility to have this phenomenon? (Do we have this phenomenon in BaTiO3?) What is the possible explanation?

01 January 1970 1,266 3 View

How does Reactive Oxygen Species (ROS) increases with increase in electrical conductivity?

we have prepared Mg doped ceria nanostructures, and characterized by LCR meter for electrical conductivity, at low frequencies the electric conductivity is almost same for all Mg dopant levels but...

01 January 1970 3,794 5 View

How does AC conductivity of CeO2 nanostructures increase with increasing Mg doping concentration levels? Can anybody please answer with references?

We have undoped, 1,2 ,3,4 and 5% Mg doped Ceria nanostructures. in its dielectric results (using LCR meter), the AC conductivity is nearly constant at low frequencies and then increases above a...

01 January 1970 5,576 1 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

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 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

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

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 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

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 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

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

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View