Heterogeneous photocatalytic synthesis of methane from acetic acid - new Kolbe reaction pathway

Kraeutler, Bernhard; Bard, Allen J.

doi:10.1021/ja00475a049

Cited by 386 publications

(214 citation statements)

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“…The literature data concerning photocatalytic generation of methane from organic compounds in liquid phase are very limited. All of them concern production of CH 4 from aliphatic acids [54][55][56][57] and alcohols [58].…”

Section: Photocatalytic Behaviour Of Titanate Nanotubes Generation Omentioning

confidence: 99%

“…In 1970's Kraeutler and Bard [54][55][56] published a series of papers concerning photocatalytic decarboxylation of acetic acid in the presence of Pt/TiO 2 catalyst. Similarly, Sakata et al [57] observed formation of methane and ethane during photodecomposition of acetic and propionic acids in the presence of TiO 2 and Pt/TiO 2 .…”

Section: Photocatalytic Behaviour Of Titanate Nanotubes Generation Omentioning

confidence: 99%

“…Most of the literature data [54][55][56][57] concerning photocatalytic methane generation, report application of photocatalysts containing Pt, which is an expensive material. Therefore, further investigations on application of TNTs in this process seem to be reasonable.…”

Section: Photocatalytic Behaviour Of Titanate Nanotubes Generation Omentioning

confidence: 99%

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Physico-chemical properties and possible photocatalytic applications of titanate nanotubes synthesized via hydrothermal method

Mozia¹,

Borowiak‐Palen²,

Przepiórski³

et al. 2010

Journal of Physics and Chemistry of Solids

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, Physico-chemical properties and possible photocatalytic applications of titanate nanotubes synthesized via hydrothermal method, Journal of Physics and Chemistry of Solids, doi:10.1016Solids, doi:10. /j.jpcs.2009 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting galley proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. of TNTs synthesized at 140°C was about 2.5 times higher than that generated with use of TiO 2 P25. To the best of our knowledge this is a first report on the photocatalytic generation of hydrocarbons using TNTs in the current state of the art.

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Section: Photocatalytic Behaviour Of Titanate Nanotubes Generation Omentioning

confidence: 99%

Section: Photocatalytic Behaviour Of Titanate Nanotubes Generation Omentioning

confidence: 99%

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Physico-chemical properties and possible photocatalytic applications of titanate nanotubes synthesized via hydrothermal method

Mozia¹,

Borowiak‐Palen²,

Przepiórski³

et al. 2010

Journal of Physics and Chemistry of Solids

View full text Add to dashboard Cite

show abstract

“…After 30 min, the pH recovers up to ∼6.7 due to the elimination of short carboxylic acids through mineralization of the carboxylic acids to CO 2 . This is the final step in the bacterial mineralization known as the typical photo-Kolbe CO 2 elimination reaction [36] and is shown below in Eq. (7).…”

Section: Uv-vis Spectroscopic Properties and Surface Wettability Of Cmentioning

confidence: 99%

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

Mena

Rtimi

Pulgarín

et al. 2017

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…4a shows a pH-recovery step in the dark, but the recovery presented smaller amplitudes with values between pH's 6.6 and 7.6. The CO 2 generation under light in aerobic media, is a typical a photo-Kolbe CO 2 elimination reaction as shown below (1) [18].…”

Section: Local Ph-changes and Surface Potential Evolution In The Darkmentioning

confidence: 99%

New evidence for Cu-decorated binary-oxides mediating bacterial inactivation/mineralization in aerobic media

Rtimi

Pulgarín

Bensimon

2016

Colloids and Surfaces B: Biointerfaces

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a b s t r a c tBinary oxide semiconductors TiO 2 -ZrO 2 and Cu-decorated TiO 2 -ZrO 2 (TiO 2 -ZrO 2 -Cu) uniform films were sputtered on polyester (PES). These films were irradiated under low intensity solar simulated light and led to bacterial inactivation in aerobic and anaerobic media as evaluated by CFU-plate counting. But bacterial mineralization was only induced by TiO 2 -ZrO 2 -Cu in aerobic media. The highly oxidative radicals generated on the films surface under light were identified by the use of appropriate scavengers. The hole generated on the TiO 2 -ZrO 2 films is shown to be the main specie leading to bacterial inactivation. TiO 2 -ZrO 2 and Cu-decorated TiO 2 -ZrO 2 films release Zr and Ti <1 ppb and Cu 4.6 ppb/cm 2 as determined by inductively coupled plasma mass spectrometry (ICP-MS) This level is far below the citotoxicity permitted level allowed for mammalian cells suggesting that bacterial disinfection proceeds through an oligodynamic effect. By Fourier transform attenuated infrared spectroscopy (ATR-FTIR) the systematic shift of the predominating s (CH 2 ) vibrational-rotational peak making up most of the bacterial cell-wall content in C was monitored. Based on this evidence a mechanism suggested leading to C H bond stretching followed by cell lysis and cell death. Bacterial inactivation cycling was observed on TiO 2 -ZrO 2 -Cu showing the stability of these films leading to bacterial inactivation.

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Heterogeneous photocatalytic synthesis of methane from acetic acid - new Kolbe reaction pathway

Cited by 386 publications

References 0 publications

Physico-chemical properties and possible photocatalytic applications of titanate nanotubes synthesized via hydrothermal method

Physico-chemical properties and possible photocatalytic applications of titanate nanotubes synthesized via hydrothermal method

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

New evidence for Cu-decorated binary-oxides mediating bacterial inactivation/mineralization in aerobic media

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