Current understanding and challenges of photocatalytic reduction of U(VI) using polymeric photocatalysts

Special Topic: Nuclear Environment Advances

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Table 3

Summary of photocatalytic U(VI) based on COF materials

Photocatalysts	Photocatalytic conditions	Bonding mode	Removal rate (%)	Ref
TpBpy	C₀= 0.12 mM, m/V = 0.5 g·L⁻¹, pH = 7.0, 500 W Xe lamp	vinylene-linked	~93% in 20 min	[113]
TTT−DTDA	C₀= 25 ppm, m/V = 1.0 g·L⁻¹, pH = 5.0, 300 W Xe lamp	fused-bithiophene linkers	~98.2% in 10 h	[114]
Tp-Tapb	C₀= 0.12 mM, m/V = 1 g·L⁻¹, 350 W Xe lamp	β-keto-enamine	~92% in 15 min	[19]
TFPPy-DP	C₀= 0.12 mM, m/V = 0.5 g·L⁻¹, 350 W Xe lamp	amide linkages	~90% in 20 min	[34]
LB-COF	C₀= 8 ppm, m/V = 8.0 g·L⁻¹, pH = 5.5, 300 W Xe lamp	imine- and vinyl-linkages	320 mg·g⁻¹ in 150 min	[115]
TP-TMT	C₀= 50 ppm, m/V = 1.0 g·L⁻¹, pH = 4.0, 300 W Xe lamp	vinylene-linked	83% in 240 min	[116]
Tp-DBD	C₀= 35 ppm, m/V = 0.1 g·L⁻¹, pH = 6.0, 300 W Xe lamp	benzoxazole ring	10.31 mg·g⁻¹ in 2 h	[117]
PI-3-AR	C₀= 83 ppm, m/V = 0.17 g·L⁻¹ pH = 4.0, 300 W Xe lamp	amine-linked	278 mg·g⁻¹ in 4 h	[118]
SnS₂COF	C₀= 50 ppm, m/V = 0.5 g·L⁻¹, pH = 5.0, 350 W Xe lamp 2 mM HCO₃	β-ketoenamine, II-type heterojunction	~95% in 180 min	[36]
BiOBr@TpPa-1	C₀= 30 ppm, pH = 6.0, m/V = 0.33 g·L⁻¹, 350 W Xe lamp	β-ketoenamine	~91% in 540 min	[51]
TiOCs@COF-TZ	C₀= 8 ppm, m/V = 1 g·L⁻¹, pH = 8.5, 420 nm	coordinated metal clusters	~99.86% in 25 min	[120]
TT-Por COF-Ni	C₀= 50 ppm, m/V = 0.1 g·L⁻¹ pH = 9.0, 350 W Xe lamp	imine bond	~97.1% in 360 min	[121]
Cu-TMT	C₀= 50 ppm, m/V = 0.25 g·L⁻¹ pH = 5.0, 350 W Xe lamp, hole scavenger 0.1 mL	sp²-c linked	~98.1% in 360 min	[122]
NDA-TN-AO	C₀= 10 ppm, m/V = 1 g·L⁻¹ pH = 5.0, 350 W Xe lamp	vinyl linked	4.62 mg·g⁻¹	[124]
4-Pd-AO	C₀= 10 ppm, m/V = 1 g·L⁻¹ pH = 5.0, 350 W Xe lamp	β-ketoenamine	7.36 mg·g⁻¹ in 3 h	[125]
COF 2-Ru-AO	C₀= 10 ppm, m = 10 mg pH = 5.5, 350 W Xe lamp	β-ketoenamine	6.07 mg·g⁻¹ in 27 h	[126]

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