Enhanced photocatalytic water splitting activity of carbon-modified TiO2 composite materials synthesized by a green synthetic approach

Parayil, Sreenivasan Koliyat; Kibombo, Harrison S.; Wu, Chia-Ming; Peng, Rui; Baltrušaitis, Jonas; Koodali, Ranjit T.

doi:10.1016/j.ijhydene.2012.02.067

Cited by 104 publications

(49 citation statements)

References 65 publications

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“…In Fig. 2c, two strong peaks attributed to the Ti 2p1/2 and Ti 2p3/2 in each curve showed that only Ti 4+ was present and no impurity (Ti 3+ ) was observed in all TiO 2 samples [32]. The difference among the three samples was that the two peaks of TiO 2 -120 and TiO 2 -250 located at the higher binding energy (458.7 eV and 464.5 eV) than that of TiO 2 -400 (458.5 eV and 464.3 eV).…”

Section: Surface Composition and Bonding Groupsmentioning

confidence: 95%

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

et al. 2016

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Section: Surface Composition and Bonding Groupsmentioning

confidence: 95%

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

et al. 2016

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“…2b). 10 Aer the carbonization process, the peaks of anatase and rutile phases of TiO 2 disappear with the appearance of various other diffraction peaks at 2q values of 36 , 42.7 , 62 , 74 , and 78 (Fig. 36 However, no signicant change in the morphology of TiO 2 /CNF (Fig.…”

Section: Morphological Properties Of Tio 2 /Cnfmentioning

confidence: 99%

Synthesis and characterization of platinum modified TiO₂-embedded carbon nanofibers for solar hydrogen generation

et al. 2014

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Photocatalytic water splitting is a significant and promising technology to generate hydrogen, an alternative and clean future fuel. The present work describes the preparation and application of a TiO 2 based photocatalyst with an effective architecture focused on the key issues of photocatalyst reusability and photocatalytically stable activity. TiO 2 nanoparticles were embedded onto carbon nanofibers (CNF) acting as a support. The electrospinning method was adopted for fabrication of TiO 2 embedded carbon nanofibers (TiO 2 /CNF). The photocatalytic activity of the TiO 2 /CNF under simulated light was improved by Pt co-catalyst photodeposition. The morphological and structural properties of TiO 2 /CNF and Pt photodeposited TiO 2 /CNF (Pt-TiO 2 /CNF) were investigated by field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM) and powder X-ray diffraction (XRD) techniques. The surface characteristics of these materials were investigated by X-ray photoelectron spectroscopy (XPS), photocurrent and photoluminescence (PL) measurements were also used to elaborate the effect of Pt photodeposition. The reusability and photocatalytic stability of Pt-TiO 2 /CNF was tested by the generation of approximately the same amounts of photocatalytic hydrogen with the same sample under the same conditions of illumination. The highest production rate of photocatalytic hydrogen generation achieved under simulated light was 3.5 mmol (after 3 hours of illumination with 0.02 g of photocatalyst). These tests show that Pt-TiO 2 /CNF is a reusable photocatalyt with a promising stable photocatalytic performance for solar energy conversion applications.

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“…The bandgap of the photocatalysts were calculated from the DRS plots by extrapolating the high slope region to the X-axis. Xray photoelectron spectroscopy was completed using a custom built Kratos Axis Ultra XPS system [53,54]. The survey scans were completed from 1200 to À5 eV with a 1 eV step size and 200 ms dwell time period.…”

Section: Characterizationmentioning

confidence: 99%

Solar simulated hydrogen evolution using cobalt oxide nanoclusters deposited on titanium dioxide mesoporous materials prepared by evaporation induced self-assembly process

Mahoney

Peng

et al. 2015

International Journal of Hydrogen Energy

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Enhanced photocatalytic water splitting activity of carbon-modified TiO2 composite materials synthesized by a green synthetic approach

Cited by 104 publications

References 65 publications

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

Synthesis and characterization of platinum modified TiO₂-embedded carbon nanofibers for solar hydrogen generation

Solar simulated hydrogen evolution using cobalt oxide nanoclusters deposited on titanium dioxide mesoporous materials prepared by evaporation induced self-assembly process

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Enhanced photocatalytic water splitting activity of carbon-modified TiO2 composite materials synthesized by a green synthetic approach

Cited by 104 publications

References 65 publications

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

Mesoporous TiO2 nanoparticles terminated with carbonate-like groups: Amorphous/crystalline structure and visible-light photocatalytic activity

Synthesis and characterization of platinum modified TiO2-embedded carbon nanofibers for solar hydrogen generation

Solar simulated hydrogen evolution using cobalt oxide nanoclusters deposited on titanium dioxide mesoporous materials prepared by evaporation induced self-assembly process

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Synthesis and characterization of platinum modified TiO₂-embedded carbon nanofibers for solar hydrogen generation