Fig. 5: Studies on thermal decomposition of salts.

a BET surface area of SG-COF-1 synthesized with different types of salts. b Optimization of the BET surface area for SG-COF-1 prepared using different concentrations of NH4HCO3. c Thermogravimetric curves and mass spectrometry curves of SG-COF-1 constructed by varied concentrations of NH4HCO3 during the activation process.