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Cited by 33 publications
(17 citation statements)
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“…Carbon doping provides a new electronic state in the middle of the bandgap, where the charge‐transfer transition occurs between the conduction band of the dopant and the conduction band of the TiO 2 itself. It has been reported that nonmetal elements could reduce the E g of TiO 2 by mixing the p orbital of the nonmetal with the O 2p orbital and the doping of various transitional‐metal ions into TiO 2 could shift its optical absorption edge from the UV to the visible region without any prominent change in the TiO 2 bandgap . It was reported that at high calcination temperature, there are a few factors that contribute to the bandgap narrowing.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Carbon doping provides a new electronic state in the middle of the bandgap, where the charge‐transfer transition occurs between the conduction band of the dopant and the conduction band of the TiO 2 itself. It has been reported that nonmetal elements could reduce the E g of TiO 2 by mixing the p orbital of the nonmetal with the O 2p orbital and the doping of various transitional‐metal ions into TiO 2 could shift its optical absorption edge from the UV to the visible region without any prominent change in the TiO 2 bandgap . It was reported that at high calcination temperature, there are a few factors that contribute to the bandgap narrowing.…”
Section: Resultsmentioning
confidence: 99%
“…The synthesis was conducted according to Cai et al Five milliliters of Tween 80 was dissolved in 20 mL of isopropyl alcohol (i‐PrOH) followed by the addition of 3 mL of acetic acid. Then, 3 mL of titanium tetraisopropoxide (TTIP) was added under vigorous stirring for 1 hr.…”
Section: Methodsmentioning
confidence: 99%
“…Catalysts M1A5 and M1A6 calcinated at 650 o C and 750ºC ( Fig. 1 [36,[49][50][51]. Both anatase and rutile phases are highly crystalline in nature, but anatase phase of titanium dioxide (TiO 2 ) has its unique properties and is more effective in photocatalysis than rutile phase [52].…”
Section: Resultsmentioning
confidence: 99%
“…It is a well-established fact that calcination time and concentration ratio have no significant effect on the catalyst synthesis, whereas pH and calcination temperatures of the medium play vital roles in the anatase, rutile, and brokite crystal phase transformation and controlling the size of the crystallite, which effects the efficiency of the catalyst in degradation and decolorization of the textile effluent [29][30][31][32][33][34]. Calcination is a common treatment used to improve the crystallinity of TiO 2 powders and it was found that phase transformation from amorphous to crystalline anatase occurred at temperatures above 350°C [35,36]. Synthesis of the catalyst sees two simultaneous reactions (hydrolysis and condensation) taking place that affect the crystallite size and the formation of the crystal phase.…”
Section: Introductionmentioning
confidence: 99%
“…The structural and microstructural, morphological and photocatalytic properties of TiO 2 nanocrystals are strongly dependent on the synthesis process [13] and calcination temperature [14,15].…”
Section: Introductionmentioning
confidence: 99%