Hi, any one give me procedure for ammonia gas sensing with polyaniline thin film by four point probe
Dear Vasu Babu,
Research articles attached herewith on how to detect a ammonia gas with polyaniline thin film:
01. https://www.ripublication.com/ijoms17/ijomsv12n2_14.pdf
02. https://www.research.manchester.ac.uk/portal/files/54553980/FULL_TEXT.PDF
I hope I have answered your question.
With Best Wishes,
Samir G. Pandya
dear sir, thank u for ur answer.
i have follow and i have refer these papers. but my point is
1.pani film is placed in chamber
2. connected with four point probe
3. first we send air in to the chamber and after that NH3 is pumping in the chamber.
But my doubt is any intialization is required for sensor response. and what temperature air is pumping in to the chamber. i want to anaylyzethe ammonia at room temperature.
please give me steps to complete this experiment.mention precautions.
Dear Vasu Babu ,
In order to setup gas sensing experiment you need to first check how you can control the gas concentration, in this context there are two ways you can adjust the concentration of the desire gas; static sensing setup and dynamic sensing setup.
Generally, the dynamic mode of gas sensing is preferred. You can read the following papers for setting your experiment with ammonia gas:
see these papers:
1. Facile one-step synthesis of TiO2 microrods surface modified with Cr2 O3 nanoparticles for acetone sensor applications
2. Effect of Pt/TiO2 interface on room temperature hydrogen sensing performance of memristor type Pt/TiO2/Pt structure
3. Strongly coupled Ag/TiO2 heterojunction: from one-step facile synthesis to effective and stable ethanol sensing performances
4. Fast highly-sensitive room-temperature semiconductor gas sensor based on the nanoscale Pt-TiO2 -Pt sandwich
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