, Will ID/IG ratio always increases on increasing pyrolysis temperature in raman characterisation of KOH activated carbon ?

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Mohamed Khedawy

You can read: Textural and Chemical Properties of Activated Carbon Prepared from Tropical Peat Soil by Chemical Activation Method

Article Textural and Chemical Properties of Activated Carbon Prepare...

also: Article Carbonisation of biomass-derived chars and the thermal reduc...

Fatima Boukhlifi

Thank for this question intéressante

Mattia Bartoli

The answer is no. ID/IG is not linearly decreasing by increasing pyrolytic temperature.

The trend is more complex and it is depended by both enlargement and reorganization of graphitic crystallites. You can find a detailed discusison in the paper attached where biochar is produced from 550°C up to 2200°C and monitored though XRD and Raman.