Water splitting on Rhodamine-B dye sensitized Co-doped TiO2 catalyst under visible light

Le, Thi Thu Huong; Akhtar, M. Shaheer; Park, Dong Min; Lee, Jang Choon; Yang, O‐Bong

doi:10.1016/j.apcatb.2011.10.023

Cited by 100 publications

(42 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Therefore their transfer to adsorbed oxygen is hindered, so the overall photocatalytic activity decreases (26). A similar case was reported for comodified titania with Rhodamine B and cobalt NPs, where the rate of water reduction was faster than that for singly modified catalyst with only cobalt, and hydrogen evolution occurred on the metal deposit under visible light irradiation, and this support such hypothesis (40).…”

Section: Photocatalytic Oxidation Of 2-propanol Under Visible Light Isupporting

confidence: 75%

Mono- and Dual-modified Titania with a Ruthenium(II) Complex and Silver Nanoparticles for Photocatalytic Degradation of Organic Compounds

Zheng

Wang

Wei

et al. 2016

Journal of Advanced Oxidation Technologies

View full text Add to dashboard Cite

Abstract:Ruthenium(II) complex with the phosphonate anchoring groups of [Ru(tbbpy) 2 (4,4′-(CH 2 PO 3 H 2 ) 2 bpy)] 2+ (Ru II CP2, tbbpy= 4,4′-di-tert-butyl-2,2′-bipyridine) and silver nanoparticles (Ag NPs) were used as single or comodifiers on titania surface. For the dual modified titania, two deposition sequences were applied to obtain Ag/Ru II CP2 and Ru II CP2/Ag, in which at first ruthenium(II) or silver was deposited on titania, respectively. Diffuse reflectance spectroscopy (DRS), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) confirmed the existence of modifiers, and the effect of ruthenium(II) on the properties of Ag NPs regarding their crystallite sizes and oxidation states distributions. Photocatalytic activities of the modified titania were investigated for oxidative decomposition of acetic acid and 2-propanol, and anaerobic dehydrogenation of methanol. Under UV/Vis irradiation for the methanol dehydrogenation, co-modified titania of Ag/Ru II CP2 showed the best activity, while for acetic acid degradation, singly modified titania with silver showed the highest activity. In contrary, under visible light irradiation, singly fabricated titania with ruthenium(II) complex possessed the highest photocatalytic performance for 2-propanol oxidation. For all the three tested photocatalytic degradation reactions, Ag/Ru II CP2 exhibited better photocatalytic activities than Ru II CP2/Ag, indicating the different properties caused by opposite deposition sequences, e.g., DRS indicated the smaller sizes of metal NPs and XPS suggested the binding of ruthenium(II) to Ag NPs for Ru II CP2/Ag, which in consequence influenced the overall photocatalytic outcome.

show abstract

Section: Photocatalytic Oxidation Of 2-propanol Under Visible Light Isupporting

confidence: 75%

Mono- and Dual-modified Titania with a Ruthenium(II) Complex and Silver Nanoparticles for Photocatalytic Degradation of Organic Compounds

Zheng

Wang

Wei

et al. 2016

Journal of Advanced Oxidation Technologies

View full text Add to dashboard Cite

show abstract

“…Surface sensitization by organic dye molecules was reported recently Park et al 2010;Le et al 2012). In the present work, the preparation of TiO 2 and TiInCrO 6 and their characterization by suitable analytical methods is discussed.…”

Section: Introductionmentioning

confidence: 84%

TiInCrO6-nanomaterial synthesis, characterization and multi applications

et al. 2015

View full text Add to dashboard Cite

In this article, we reported the highly reusable undoped titanium dioxide and doped TiInCrO 6 nanomaterial by simple precipitation method and sonication technique. The prepared nanomaterials were characterized by X-ray diffraction, field-emission scanning electron microscopy with elementary dispersive X-ray, high-resolution transmission electron microscopy, techniques and ultraviolet and visible-diffuse reflectance studies. The influence of operational parameters such as the effect of catalyst loading dye concentration and chemical oxygen demand measurements had also been investigated. The synthesized TiInCrO 6 nanomaterial was proposed as the promising photocatalyst for the degradation of rhodamine B (Rh B) dye and reusability. The mechanism of the photocatalytic effect of the TiInCrO 6 nanomaterial has been discussed. Thus, the use of TiInCrO 6 in water purification showed potential. The photodegradation of Rh B dye was well described by pseudo-first-order kinetics and high quantum yield. The photovoltaic characterization had been studied, cyclic voltammogram measurements. The antibacterial activity of the prepared nanomaterials had been investigated against Gram negative Escherichia coli and Gram positive Staphylococcus aureus bacterial strains.

show abstract

“…Abe et al [38] demonstrated that selective loading of Pt nanoparticles in the interlayer spaces of H4Nb6O17 suppressed the reduction of I3 − to I − on Pt nanoparticles ( Figure 10) [38]. Le et al [39] synthesized Co-doped TiO2 nanomaterials by impregnation method and sensitized with Rhodamine B dye for visible-light-assisted photocatalytic water splitting. The dye-sensitized photocatalyst was active in the range of 450-600 nm and showed the stoichiometric evolution of hydrogen and oxygen through water splitting.…”

Section: Review On Dye-sensitized Overall Water Splittingmentioning

confidence: 99%

“…Ideally, a photo-electrochemical water splitting system would use abundant materials with high quantum yield and multiple absorbers to harvest the solar spectrum efficiently. The efficacy of the Le et al [39] synthesized Co-doped TiO 2 nanomaterials by impregnation method and sensitized with Rhodamine B dye for visible-light-assisted photocatalytic water splitting. The dye-sensitized photocatalyst was active in the range of 450-600 nm and showed the stoichiometric evolution of hydrogen and oxygen through water splitting.…”

Section: Review On Dye-sensitized Overall Water Splittingmentioning

confidence: 99%

“…The chromophore-photocatalyst assembly was stabilized on TiO 2 surface via atomic layer deposition of Al 2 O 3 or TiO 2 to provide long-term water splitting ability even at pH 7 (in phosphate buffer). In the DSPEC, fluorine-doped tin oxide (FTO) |SnO 2 Le et al [39] synthesized Co-doped TiO2 nanomaterials by impregnation method and sensitized with Rhodamine B dye for visible-light-assisted photocatalytic water splitting. The dye-sensitized photocatalyst was active in the range of 450-600 nm and showed the stoichiometric evolution of hydrogen and oxygen through water splitting.…”

Section: Review On Dye-sensitized Overall Water Splittingmentioning

confidence: 99%

See 1 more Smart Citation

Dye-Sensitized Photocatalytic Water Splitting and Sacrificial Hydrogen Generation: Current Status and Future Prospects

2017

View full text Add to dashboard Cite

Today, global warming and green energy are important topics of discussion for every intellectual gathering all over the world. The only sustainable solution to these problems is the use of solar energy and storing it as hydrogen fuel. Photocatalytic and photo-electrochemical water splitting and sacrificial hydrogen generation show a promise for future energy generation from renewable water and sunlight. This article mainly reviews the current research progress on photocatalytic and photo-electrochemical systems focusing on dye-sensitized overall water splitting and sacrificial hydrogen generation. An overview of significant parameters including dyes, sacrificial agents, modified photocatalysts and co-catalysts are provided. Also, the significance of statistical analysis as an effective tool for a systematic investigation of the effects of different factors and their interactions are explained. Finally, different photocatalytic reactor configurations that are currently in use for water splitting application in laboratory and large scale are discussed.

show abstract

Water splitting on Rhodamine-B dye sensitized Co-doped TiO2 catalyst under visible light

Cited by 100 publications

References 28 publications

Mono- and Dual-modified Titania with a Ruthenium(II) Complex and Silver Nanoparticles for Photocatalytic Degradation of Organic Compounds

Mono- and Dual-modified Titania with a Ruthenium(II) Complex and Silver Nanoparticles for Photocatalytic Degradation of Organic Compounds

TiInCrO6-nanomaterial synthesis, characterization and multi applications

Dye-Sensitized Photocatalytic Water Splitting and Sacrificial Hydrogen Generation: Current Status and Future Prospects

Contact Info

Product

Resources

About