2021
DOI: 10.1039/d0nj05976e
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Ce ion surface-modified TiO2 aerogel powders: a comprehensive study of their excellent photocatalytic efficiency in organic pollutant removal

Abstract: Titanium dioxide aerogel (TiAP) powders were prepared by lyophilization of peroxo-polytitanic gels followed by annealing at 800 °C to obtain anatase structure. The surface modification of TiAP was performed for...

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Cited by 9 publications
(4 citation statements)
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“…without H 2 O 2 ), metal ion surface-modified TNT leads to a better degradation extent due to the enhanced e − /h + pair separation, as reported in our previous study. 60 In addition, compared to other studies, nanotwin structured TNTs exhibit higher efficiency in CAF degradation under similar experimental conditions. 61,62 Indeed, Arfanis et al have reported less than 10% degradation of CAF after 2 h of UVA irradiation, 61 while Muangmora et al obtained efficient CAF degradation using TNT but under UVC light.…”
Section: Dalton Transactions Papermentioning
confidence: 54%
See 1 more Smart Citation
“…without H 2 O 2 ), metal ion surface-modified TNT leads to a better degradation extent due to the enhanced e − /h + pair separation, as reported in our previous study. 60 In addition, compared to other studies, nanotwin structured TNTs exhibit higher efficiency in CAF degradation under similar experimental conditions. 61,62 Indeed, Arfanis et al have reported less than 10% degradation of CAF after 2 h of UVA irradiation, 61 while Muangmora et al obtained efficient CAF degradation using TNT but under UVC light.…”
Section: Dalton Transactions Papermentioning
confidence: 54%
“…However, during the degradation mechanism under light, the CAF has to interact with the surface of the photoactive material since heterogeneous photoinduced degradation is a surfacedependent process. 60,[65][66][67][68] At pH = 3, caffeine is in its neutral form while the surface of TNT is positive due to an isoelectric point above pH = 4. 69,70 In addition, it is assumed that Ce-TNT and V-TNT are modified at their surface by nanosized and/or amorphous CeO 2 and V 2 O 5 , respectively.…”
Section: Dalton Transactions Papermentioning
confidence: 99%
“…The photocatalytic degradation of caffeine follows the first-order reaction. 36,37 Thus its kinetics can be expressed from the linear variation of ln C / C 0 ( C 0 and C is the initial and after the time concentration, respectively) as a function of time ( t ). The obtained photodegradation rates indicate that both materials prepared via anodization, i.e.…”
Section: Resultsmentioning
confidence: 99%
“…The photocatalytic degradation of caffeine follows the first-order reaction. 36,37 Thus its kinetics can be expressed from the linear variation of ln C/C 0 (C 0 and C is the initial and after the time concentration, respectively) as a function of time (t). The obtained photodegradation rates indicate that both materials prepared via anodization, i.e., nanotubular TiO 2 (TNS-20, k = 0.0069 min −1 ) and porous TiO 2 (TNS-60, k = 0.0067 min −1 ), show an increased degradation rate of caffeine compared to TNS-40 (k = 0.0057 min −1 ) and TNS-80 (k = 0.0044 min −1 ).…”
Section: Catalysis Science and Technology Papermentioning
confidence: 99%