One-step preparation of visible-light-responsive TiO2 with carbonized medium-density fiberboard for toluene degradation

Lee, Min; Park, Sang‐Bum; Mun, Sung Phil

doi:10.1007/s00226-020-01161-w

Cited by 2 publications

(5 citation statements)

References 20 publications

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“…The preparation of Fe-doped TiO 2 was reported earlier [13]. A photocatalyst precursor Ti-tip was dissolved in 50% v/v IPA (Solution A).…”

Section: Preparation and X-ray Diffraction Of Fe-doped Tiomentioning

confidence: 99%

“…Several TiO 2 wood and wood-based composites [6,18,19] removed VOCs while [14,15,[20][21][22] removed organic dyes. Adding to this list are the metal-doped TiO 2 wood and wood-based composites [13,23,24] which removed VOCs while [25,26] removed organic dyes. The results of the authors' previous work [13] may not be comparable to this work since the TiO 2 -cMDF was subjected to a full cycle of adsorption prior to photodegradation and the radiant power of the light sources was different.…”

Section: Tio 2 -Treated and Metal-doped Tio 2 -Treated Wood And Wood-based Compositesmentioning

confidence: 99%

“…Adding to this list are the metal-doped TiO 2 wood and wood-based composites [13,23,24] which removed VOCs while [25,26] removed organic dyes. The results of the authors' previous work [13] may not be comparable to this work since the TiO 2 -cMDF was subjected to a full cycle of adsorption prior to photodegradation and the radiant power of the light sources was different. In addition, the mechanism of photodegradation for anatase-type TiO 2 -cMDF/UV light and rutile-type Fe/TiO 2 -cMDF/visible light is distinct from each other [8,27].…”

Section: Tio 2 -Treated and Metal-doped Tio 2 -Treated Wood And Wood-based Compositesmentioning

confidence: 99%

“…Moreover, doping TiO 2 photocatalysts with metals such as Fe enhances their photocatalytic activity against pollutants [10][11][12]. The visible light responsive TiO 2 -cMDFs were also prepared by Lee et al through metal (Fe or Co) doping and investigated their photodegradation performance under visible light [13]. The Fe or Co/TiO 2 -cMDF removed 100% of toluene gas under a commercial fluorescent lamp.…”

Section: Introductionmentioning

confidence: 99%

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Fe–Doped TiO2–Carbonized Medium–Density Fiberboard for Photodegradation of Methylene Blue under Visible Light

2021

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Fe–doped titanium dioxide–carbonized medium–density fiberboard (Fe/TiO2–cMDF) was evaluated for the photodegradation of methylene blue (MB) under a Blue (450 nm) light emitting diode (LED) module (6 W) and commercial LED (450 nm + 570 nm) bulbs (8 W, 12 W). Adsorption under daylight/dark conditions (three cycles each) and photodegradation (five cycles) were separately conducted. Photodegradation under Blue LED followed pseudo-second-order kinetics while photodegradation under commercial LED bulbs followed pseudo-first-order kinetics. Photodegradation rate constants were corrected by subtracting the adsorption rate constant except on the Blue LED experiment due to their difference in kinetics. For 8 W LED, the rate constants remained consistent at ~11.0 × 10−3/h. For 12 W LED, the rate constant for the first cycle was found to have the fastest photodegradation performance at 41.4 × 10−3/h. After the first cycle, the rate constants for the second to fifth cycle remained consistent at ~28.5 × 10−3/h. The energy supplied by Blue LED or commercial LEDs was sufficient for the bandgap energy requirement of Fe/TiO2–cMDF at 2.60 eV. Consequently, Fe/TiO2–cMDF was considered as a potential wood-based composite for the continuous treatment of dye wastewater under visible light.

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“…The preparation of Fe-doped TiO 2 was reported earlier [13]. A photocatalyst precursor Ti-tip was dissolved in 50% v/v IPA (Solution A).…”

Section: Preparation and X-ray Diffraction Of Fe-doped Tiomentioning

confidence: 99%

Section: Tio 2 -Treated and Metal-doped Tio 2 -Treated Wood And Wood-based Compositesmentioning

confidence: 99%

Section: Tio 2 -Treated and Metal-doped Tio 2 -Treated Wood And Wood-based Compositesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fe–Doped TiO2–Carbonized Medium–Density Fiberboard for Photodegradation of Methylene Blue under Visible Light

2021

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“…It was reported that the addition of nanoparticles to the surface of materials leads to improved antimicrobial resistance [18,19]. In order to form particles and avoid clustering, it is necessary to stabilize them in a suitable matrix, which will ensure a homogeneous structure and their uniform distribution [20][21][22][23][24][25]. It was reported that copper nanoparticles are a new generation of wood preservative materials that work against decay fungi when they are used instead of conventional copper [17].…”

Section: Introductionmentioning

confidence: 99%

Preparation, Characterization, and Antibacterial Properties of Cu-Fibreboards

Aleksandrov,

Rangelova,

Lazarova-Zdravkova

et al. 2023

Materials

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In the present study, copper modified fibreboards were prepared and their existing phase, morphology, and antibacterial behaviour were investigated. The copper content and the physical and mechanical properties of fibreboards (thickness, bending strength, and swelling) were determined. X-ray diffraction analysis (XRD) showing diffraction peaks typical for cellulose, Cu2S, and Na2SO4, depended on the preparation conditions. The average size of the Cu2S crystals varied between 20 and 50 nm. The morphology of the obtained fibreboards, as well as the size and shape of copper particles, were observed by scanning electron microscopy (SEM) and transition electron microscopy (TEM). The antibacterial activity was tested against Gram-positive (Bacillus subtilis 3562) and Gram-negative (Escherichia coli K12 407) bacteria. The tests showed that the materials had higher antibacterial activity against E. coli, which depended on their preparation conditions. Based on these results, the obtained copper fibreboards can be used as antibacterial agents in the packaging and building industry.

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One-step preparation of visible-light-responsive TiO2 with carbonized medium-density fiberboard for toluene degradation

Cited by 2 publications

References 20 publications

Fe–Doped TiO2–Carbonized Medium–Density Fiberboard for Photodegradation of Methylene Blue under Visible Light

Fe–Doped TiO2–Carbonized Medium–Density Fiberboard for Photodegradation of Methylene Blue under Visible Light

Preparation, Characterization, and Antibacterial Properties of Cu-Fibreboards

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