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Table 1 Physicochemical properties of different photocatalysts

From: Synthesis of Visible-Light-Responsive Cu and N-Codoped AC/TiO₂ Photocatalyst Through Microwave Irradiation

Samples	Anatase size (nm)	Rutile size (nm)	SBET (m²/g)	Band gap (eV)	Ratio of A and R (%)
AC/TiO₂	17.9	22.9	532	2.86	47/53
N-AC/TiO₂	17.2	18.6	487	2.81	62/38
Cu-AC/TiO₂	16.5	20.6	508	2.61	54/47
N–Cu-AC/TiO₂	17.8	19.7	548	2.47	57/43

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