Synthesis and Visible Photocatalytic Activities of Poly(aminobenzoic acid)/TiO₂ Nanocomposites

Table 2

The adsorption parameters of PPA, PMA, POA, and N719 dyes on TiO₂.

Polymer sample	TiO2 sample/Phase	𝑆BET (m^2·g^−1)	Saturation adsorption capacity 𝑄𝑚 (mg·mg^−1)/(mg·m^−2)	Adsorption constant 𝐾ad (mL·mg^−1)	Correlation coefficient 𝑟	Data point 𝑛
PPA	ST-01/a	349	0.226/0.640	33.4	0.975	9
PMA	ST-01/a	349	0.105/0.301	83.2	0.991	7
POA	ST-01/a	349	0.155/0.444	52.9	0.999	8
N719	ST-01/a	349	0.198/0.594	5.40	0.998	7
PPA	P-25/a + r	63	0.197/3.12	18.8	0.958	7
PMA	P-25/a + r	63	0.120/1.90	6.86	0.989	6
POA	P-25/a + r	63	0.084/1.33	24.0	0.981	6
N719	P-25/a + r	63	0.059/1.19	9.71	0.983	4