How to measure the electrical conductivity of pallet?

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How can I prevent oxidation of CZTS films and powders when annealed at more than 400 C in Ar atm?

CZTS films and powders are converted into oxides like CuO and SnO2, when annealed at more then 400 C in Ar atm. How to prevent oxidation ?

04 May 2015 648 5 View

How can I get CZTS nanoparticles by microwave-assisted methods without using any capping agent?

For CZTS solar cells.

01 February 2014 1,674 0 View

How can I calculate band gap of CZTS thin film from diffuse reflectance (DRS)?

band gap of CZTS film

07 August 2013 8,588 1 View

What is the best way to calculate bang gap of any liquid solution from tauc plot?

Band gap of any liquid

06 July 2013 3,794 4 View

Can someone advise on why and how to measure the baseline in UV-visible spectrophotometer before taking the data in optical analysis?

Optical analysis of thin film

06 July 2013 4,100 8 View

How can I find the carrier concentration and effective density of the state in valance band of a CZTS thin film?

Carrier concentration and Nv

01 February 2013 8,297 9 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Is there a good freeware software for photodocumentation of TLC?

I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?

31 July 2024 8,415 1 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View

Is it possible to manufacture polypropylene sheets using a biaxial process?

I know that films and other low-thickness laminated products are produced using biaxial orientation, but is there something similar for sheets with a thickness of around 6 mm? Or are they...

21 July 2024 1,559 1 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Any suggestions to enhance the wettability and adhesion of fluorosilanes?

I am facing a difficulty to prepare the thin film which contains fluorine contained silica monomer, as we know F is highly reactive with low surface energy and it could be the reason of low...

09 July 2024 6,017 3 View

Can some indicate a technique - or approach - to measure the thickness of a 20µm film and thickness with water uptake?

Hi, I need to measure the real-time (or temporal intervals) thickness variation of a transparent material from dry to wet/humid conditions, however, I cannot use the following techniques: -...

08 July 2024 4,799 4 View

Ralph Huebner

Van der Pauw method, as a function of temperature?

Kamran Rasool

Yes it is possible, what do you want to measure AC conductivity or DC conductivity?

Prashant Ghediya

I am working on the synthesis and characterization of thin film i.e material science, so i need to measure DC electrical conductivity.