“…S3 (ESI†). 42,43 As can be seen in Fig. S3 and Table S1 (ESI†), g-C 3 N 4 , g-C 3 N 4 /TPA-CNCHO, g-C 3 N 4 /PTZ-CNCHO and g-C 3 N 4 /CZ-CNCHO exhibited very similar specific surface areas of about 95.0 m 2 g −1 , 82.5 m 2 g −1 , 86.6 m 2 g −1 and 88.1 m 2 g −1 , respectively.…”