Easy Synthesis of High Quality Graphene Oxide

Easy Synthesis of High Quality Graphene Oxide (Novel Method)

CHECK LIST: Citric Acid, Sodium Hydroxide, Deionized Water, Magnetic Stirrer, Round Bottom Flask, Beaker and Dropper.

STEP1: Take Citric Acid (5g) in RB Flask. Raw HTML STEP2: Setup the oil bath and set temperature to 200ºC. Raw HTML 500 rpm 200°C STEP3: Put RB Flask in oil bath, when the temperature reaches 200ºC. Raw HTML 500 rpm 200°C STEP4: Color of Citric acid will change with the time. Raw HTML 500 rpm 200°C 500 rpm 200°C 500 rpm 200°C 500 rpm 200°C 500 rpm 200°C Initially After 5 min After 30 min After 50 min After 90 min STEP5: Add the dark brown colored liquid in 3.5% Sodium Hydroxide Solution (3.5g NaOH in 100ml of deionized water). Raw HTML 500 rpm 60°C after some time 500 rpm 60°C RESULTS: Dark brown color indicates the formation of Graphene Oxide. You can go for Raman Spectroscopy for the characterization and explore InstaNANO for raman and other characterization of Graphene Oxide.

9 comments:

  1. Thank you very much.

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  2. When did yo add graphite?

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  3. There is no need of graphite, the main precursor is citric acid i think.

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  4. the Citric Axit is the cacbon source,synthesize graphene oxide we don't need graphite in that synthesis.

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  5. I wondering that i must add Sodium Hydroxide in that liquid when that color change brown or add when after 90 minutes late.The role of Sodium Hydroxide is neutralise the liquid,and bring PH of its to 7 ,isn't it ?

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  6. No, it has more than just one purpose.
    The far greatest one will be to produce the graphene oxide, because you will just get graphite oxide from the thermolysis of citric acid. By neutralisation in alkaline media it will turn into graphene oxide.

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  7. The final product is graphene oxide. But is it dispersed in the solvent? Or we can wash/purify/filter the solution to obtain graphene oxide in the powder form? kindly clarify.

    Thanks and regards

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  8. Is graphene oxide that you produce more thermally conductive than 1-2 layer graphene in solution.

    If you have a reference or study that shows the comparison, I would appreciate it.

    Richard

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  9. Which paper this method is based on? Please share DOI.

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