Research Article

Photocatalytic Properties of Tin Oxide and Antimony-Doped Tin Oxide Nanoparticles

Table 3

(a) 𝐑 m a x 1 6 3 7 , 𝐑 m a x 1 6 3 7 , 𝐊 m a x 1 6 3 7 , and Φ 𝝀 / Φ 𝟑 𝟏 𝟓 measured at 1637 cm−1 using different wavelengths of irradiation (λ). Sb doping: 7%.a, b (b) 𝐑 i n i , 𝐊 i n i , 𝐊 i n i / 𝐊 m a x and 𝐊 i n i / 𝐊 i n i measured at 1637 cm−1, and 1620 cm−1 using different wavelengths of irradiation (λ). Sb doping: 7%.a, b (c) 𝐑 i n i and 𝐊 i n i measured at 1637 cm−1 and 1620 cm−1 different wavelengths of irradiation (λ). Sb doping: 0%.a, b
(a)

λ[nm] 𝑅 m a x 1 6 3 7 [mol m−3 s−1] 𝑅 m a x 1 6 3 7 [mol m−3 s−1] 𝐾 m a x 1 6 3 7 [m 3/2 s−1/2 J−1/2] Φ 𝜆 / Φ 3 1 5

3153.04.2 3 × 1 0 4 1
3650.650.65 1 × 1 0 4 0.4
4080.0250.025 0 . 0 4 × 1 0 4 0.01
5450.0350.033 0 . 0 7 × 1 0 4 0.02
6500.0810.23 1 × 1 0 4 0.3

aMPS/Sb : SnO2= 0.19 g/g; 𝑐 p a r t i c l e = 1 0 vol.%.
b 𝑅 m a x 1 6 3 7 values are 𝑅 m a x 1 6 3 7 values corrected for differences in 𝐼 0 , and these 𝑅 m a x 1 6 3 7 values are within experimental error equal to 𝑅 m a x 1 6 2 0 . The 𝐾 m a x 1 6 3 7 values were calculated from the 𝑅 m a x 1 6 3 7 values.
(b)

𝜆 [nm] 𝑅 i n i 1 6 3 7 [mol m−3 s−1] 𝑅 i n i 1 6 2 0 [mol m−3 s−1] 𝐾 i n i 1 6 3 7 [m 3/2 s−1/2 J−1/2] 𝐾 i n i 1 6 2 0 [m 3/2 s−1/2 J−1/2] 𝐾 i n i 1 6 3 7 / 𝐾 m a x 1 6 3 7 𝐾 i n i 1 6 3 7 / 𝐾 i n i 1 6 2 0

3152.581.50 2 . 0 × 1 0 4 1 . 0 × 1 0 4 0.51.5
3650.470.39 0 . 5 × 1 0 4 0 . 3 × 1 0 4 0.61.5
4080.0230.015 0 . 0 3 × 1 0 4 0 . 0 2 × 1 0 4 0.71.5
5450.0230.015 0 . 0 4 × 1 0 4 0 . 0 3 × 1 0 4 0.61.3
6500.1800.132 0 . 6 × 1 0 4 0 . 4 4 × 1 0 4 0.61.4

aMPS/Sb : SnO2= 0.19 g/g; 𝑐 p a r t i c l e = 10 vol%.
bThe 𝐾 m a x 1 6 3 7 values used are shown in Table 3(a). The 𝐾 i n i corrected for differences in 𝐼 0 . The values 𝐾 i n i were calculated from the corresponding 𝑅 i n i values.
(c)

𝜆 [nm] 𝑅 i n i 1 6 3 7 [mol m−3 s−1] 𝑅 i n i 1 6 2 0 [mol m−3 s−1] 𝐾 i n i 1 6 3 7 [mol m−3/2 s−1/2] 𝐾 i n i 1 6 2 0 [mol m−3/2 s−1/2 J−1/2] 𝐾 i n i 1 6 3 7 / 𝐾 i n i 1 6 2 0

3156.43.5 3 . 4 × 1 0 4 1 . 9 0 × 1 0 4 1.8
3650.390.21 0 . 7 × 1 0 4 0 . 4 × 1 0 4 1.9
4080.0160.0081 0 . 0 4 × 1 0 4 0 . 0 2 × 1 0 4 2.0
5450.0610.037 0 . 2 6 × 1 0 4 0 . 1 6 × 1 0 4 1.7
6500.310.23 6 × 1 0 4 4 × 1 0 4 1.5

aMPS/Sb : SnO2 = 0.19 g/g; 𝑐 p a r t i c l e = 1 0 vol%.
bThe 𝑅 i n i are 𝑅 i n i values corrected for differences in 𝐼 0 . The 𝐾 i n i values and 𝐾 i n i ratios were calculated from the corresponding 𝑅 i n i values shown.