Ag Nanoparticles Located on Three-Dimensional Pine Tree-Like Hierarchical TiO2 Nanotube Array Films as High-Efficiency Plasmonic Photocatalysts

Table 2 The degradation of RhB of TiO₂ and Ag/TiO₂ composite structure with different Ag deposition times under UV and visible light irradiation

Sample	TiO₂	Ag(10s)/TiO₂	Ag(20s)/TiO₂	Ag(30s)/TiO₂	Ag(40s)/TiO₂
Degradation time (min)	120	120	90	60	120
Degradation (%)	55	98	96	98	84
k value (min⁻¹)	9 × 10⁻³	3.5 × 10⁻²	3.7 × 10⁻²	6 × 10⁻²	1.5 × 10⁻²