Highly Selective Deethylation of Rhodamine B on TiO_𝟐 Prepared in Supercritical Fluids

Table 1

Summary of physicochemical properties of TiO₂.

Sample^a	Crystallite size (nm)	BET (m^2/g)	Dye adsorp. (%)	Dye degradation (%)^b	Crystallinity (%)
102-1	7.8	239	9.3	76.9	55
102-2	7.5	229	5.4	65.0	58
102-3	5.0	346	19.7	95.8	50
P25	21	52	2.5	20.6	73(anatase)/18(rutile)

^aThe nanoparticles were used for RhB degradation with an initial dye concentration of 2×10⁻⁵ M and a catalyst concentration of 0.5 g/L.
^bThe dye degradation was obtained after visible irradiation for 60 min.