What is the different between J shape, S shape and J reverse shape curve in I-V curve based on solar simulator result?

is there anyone can help me to understand about J reverse curve from I-V curve? i afraid it tell about leakage current to much. Thank you

05 June 2018 5,361 2 View

How can we dissolve PSS (4-polystyrenesulfonate acid) in different solubility?

i am searching miscible of PSS in another solvent like butanol. because i need to dissolve them in the same solvent. but, PSS is 18 Wt % in water. is it possible to do to solve them in...

05 June 2018 4,952 2 View

How to understand Zinc Vancancies in ZnO NPs?

Dear all Here i would like to asking about Zinc Vacancies. would you like to give me some theory about zinc vacancies? thank you very much.

04 May 2018 9,673 0 View

Why the Zno NPs have higher Jsc and lower Voc compare with Zno sol gel?

hello everyone,i need help to give me some exact reason why in the ZnO Nps have higher Jsc and lower Voc compare with Zno sol gel because i always get that result and in ZnO i have lower Jsc and...

04 May 2017 6,429 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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 techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View