How to Convert the coated carbon on oxide surface to carboxylic group?

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Zainab Raheem

use dip coating or potentiostat

Dimitar P. Mitev

Hi, oxygen plasma; ozone under UV; reflux in oxidative mixtures.

Yuri Mirgorod

You can get ozonized at temperatures up to the temperature of 200-400 degrees. Above this temperature, the COOH groups decompose to form CO2.

Shakhawat H. Firoz

Thanks

Mohammad Al-Harahsheh

In your case iron oxide is coated with carbon so it should be preserved from strong acid. One way to obtain COOH group on the carbon surface is to boil the material in strong acid such as sulfuric for good time then wash it with DI water until pH of 7

Thanks a lot