Fig. 2: ATR-FTIR and water contact angle of membranes.

a, b FTIR of the support (PS/PET) and TFC-NF membranes: HCPA-TFC-NF@M1, HCPA-TFC-NF@M2, and HCPA-TFC-NF@M3. c Variation of water contact angle of support and the membranes HCPA-TFC-NF@M, HCPA-TFC-NF@M2, and HCPA-TFC-NF@M3.