bismuth oxide titania

Redox-Induced Enhancement in Interfacial …

Oxides. Abstract. Bismuth oxide (Bi 2 O 3) decorated titania nanotube array (T-NT) composite materials were synthesized by a simple, yet versatile electrodeposition …

[PDF] Preparation of bismuth oxide/titania …

@article{Xu2011PreparationOB, title={Preparation of bismuth oxide/titania composite particles and their photocatalytic activity to degradation of 4-chlorophenol}, …

A Novel Technique for the Deposition of Bismuth Tungstate onto Titania

It was found that deposition of bismuth tungstate onto titania nanoparticles resulted in significant increases in visible light photocatalytic activity, compared to uncoated titania.

Spin singlet pairing of bismuth in titania | The Journal of …

Titanium dioxide (TiO 2) has been widely studied for its promising photocatalytic behavior. 1,2 Pristine anatase TiO 2 is a semiconductor with a band gap of …

Bismuth

Element Bismuth (Bi), Group 15, Atomic Number 83, p-block, Mass 208.980. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. ... Bismuth oxide is used as a yellow pigment for cosmetics and paints, while bismuth(III) chloride oxide (BiClO) gives a pearly effect to cosmetics. Basic bismuth carbonate is taken in ...

Redox-Induced Enhancement in Interfacial Capacitance of the Titania

Bismuth oxide (Bi2O3) decorated titania nanotube array (T-NT) composite materials were synthesized by a simple, yet versatile electrodeposition method. The effects of deposition current density ...

(PDF) TiO2/Bi2O3 photocatalysts for elimination of water …

Composite materials of bismuth oxide and titania have been demonstrated to date as being able to degrade various model pollutants, including dyes [21][22][23][24][25], phenol [26,27], toluene [28 ...

Characterisation and properties of visible light-active …

Request PDF | Characterisation and properties of visible light-active bismuth oxide-titania composite photocatalysts | Bismuth oxide – titanium dioxide composite …

Heterostructured Bismuth Molybdate Composite: Preparation …

The most important bismuth-based photocatalysts are mainly sulfur and oxide-based e.g., Bi [26], Bi x TiO y [27], etc. All of these bismuth oxyhalides (BiOX) are the most important due to their ...

Solar light responsive bismuth doped titania with Ti3+ for …

Semantic Scholar extracted view of "Solar light responsive bismuth doped titania with Ti3+ for efficient photocatalytic degradation of flumequine: Synergistic role of peroxymonosulfate" by Ikhtiar Gul et al. ... This study is focused on synthesis of highly efficient Titania/reduced Graphene Oxide (TiO2/rGO) nanocomposites by means of …

Bismuth-Based Nanoparticles as Photocatalytic Materials

consist of bismuth oxide (Bi 2 O 3), bismuth sulphide (Bi 2 S 3), bismuth selenide (Bi 2 Se 3) and bis-muth telluride (Bi 2 T 3). These class of compounds are technologically important semiconduc-

CN104835648A

The bismuth oxide nano-particle/titania nano-tube array is a compound of bismuth oxide nano-particles and titania nano-tubes, and is prepared by self-assembling and calcinations technology. The method solves problems in the prior art that procedure is complex, time consuming is long, and stability is poor.

Enhanced visible light photoelectrochemical performance of …

Bismuth(III) oxide (Bi 2 O 3) is a semiconductor that has attracted considerable interest due to its dielectric properties, refractive index, electrical conductivity, ... Hydrogen and electricity generation by photoelectrochemical decomposition of ethanol over nanocrystalline titania. Int J Hydrog Energy 33(19):5045–5051.

Bismuth-Based Nanoparticles as Photocatalytic Materials

Bismuth-based nanoparticles are a unique category of materials that possess interesting properties such as excellent chemical, electrical, optical and catalytic activities among others. The application of bismuth-based nanoparticles as photocatalytic materials has caught the interest of the scientific community in recent times due to these …

Preparation of bismuth oxide/titania composite particles …

Bismuth oxide/titania, one interfacial composite semiconductor with high photocatalytic activity under solar light, was prepared at low temperature. The structure was characterized by X-ray ...

Characterisation and properties of visible light-active …

Though the distribution of bismuth oxide on titanium dioxide was found to depend strongly on particle size and deposition time used, the composite materials …

Role of bismuth in nano-structured doped TiO2 …

Bismuth-doped titania appears to be a very promising material because bismuth itself forms highly photoactive compounds. The doping of titania or the formation of nanocomposites can therefore enhance the activity significantly. ... Wu XH, Qin W, He WD (2007) Thin bismuth oxide films prepared through the sol–gel method as photocatalyst. …

Bismuth Oxychloride Nanoflakes Enabled High Sensitivity …

Tailored and Highly Stretchable Sensor Prepared by Crosslinking an Enhanced 3D Printed UV‐Curable Sacial Mold. Taking advantage of unlimited geometry design, 3D printed sacial mold cast with highly conductive polymer composites is used to prepare a sensor with designed structures. However, the disposal….

Morphology and Environmental Applications of Bismuth Compound …

Bismuth-Aurivillius oxide materials, which have a general chemical formula of Bi 2 A n-1 B n O 3n+3 (A = Ca, Sr, Ba, Pb, Na; B = Ti, Nb, Ta, Mo, W), have attracted increasing attention due to their layered structure, excellent physical properties, and outstanding chemical properties. Structurally, the valence band of the bismuth oxide …

Characterisation and properties of visible light-active bismuth oxide …

DOI: 10.1016/j.susmat.2019.e00112 Corpus ID: 155399687; Characterisation and properties of visible light-active bismuth oxide-titania composite photocatalysts @article{Ratova2019CharacterisationAP, title={Characterisation and properties of visible light-active bismuth oxide-titania composite photocatalysts}, author={Marina Ratova …

Dr Marina Ratova | Manchester Metropolitan University

Bernareggi, M., Chiarello, G.L., West, G., Ratova, M., Ferretti, A.M., Kelly, P., Selli, E. 'Cu and Pt clusters deposition on TiO2 powders by DC magnetron sputtering ...

Please cite the Published Version

bismuth titanate [10] and bismuth vanadate [11, 12], are subject to extensive research efforts. A number of them have been reported as photocatalytic materials in their own right, while the others are still mainly used for photosensitizing titania. However, compared to bismuth complex oxides, bismuth oxide, Bi 2 O 3, has not been so widely studied.

Bismuth-titanium-silicon-based ternary oxide system: A …

Titanium dioxide (titania) is a very promising material for anode applications in the LIB field; it is suitable for mass production and is also cost-effective [8]. ... Bismuth oxide (Bi 2 O 3), as a metal oxide semiconductor, has been widely studied in various fields of application such as sensors, ...

Bismuth Oxide Nanoparticles by Flame Spray Pyrolysis

Bismuth oxide nanostructured particles were made via the flame spray pyrolysis (FSP) of bismuth nitrate that had been dissolved in a solution of ethanol/nitric acid or in acetic acid. These self-sustaining spray flames produced tetragonal β-Bi 2 O 3. The use of ethanol/nitric acid solutions resulted in a mixture of hollow, shell-like, and ...

Preparation of bismuth oxide/titania composite particles …

The results indicate that deposited titania nanoparticles on bismuth oxide surface have micro-nano structure, and this composite material exhibits porosity and increased surface hydroxyl groups. Furthermore, the as-prepared photocatalyst shows higher photocatalytic activity to the degradation of 4-chlorophenol than pure titania or …

[PDF] The Preparation and Property Research of Bismuth Oxide

The present approach can shed new light on designing of antibacterial material like bismuth oxide with promising applications in biological sciences. Nanomaterials are a new option to successfully treat the multiresistant microorganisms. The as-prepared bismuth oxide with the optimal concentration exhibits stronger antibacterial …

Enhanced photocatalytic activity of bismuth-tungsten

Here, we report new bismuth-tungsten mixed oxide particles with a tungsten-to-bismuth ratio (W/Bi ratio) in feed of 1.0, which is two-times higher than the stoichiometric ratio of Bi 2WO 6 (W/Bi ...

Characterisation and properties of visible light-active bismuth oxide …

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Antibacterial Activity of Bismuth Oxide Nanoparticles …

In this work, bismuth oxide nanoparticles (Bi 2 O 3 NP) were prepared by laser ablation of a solid target in distilled water. The optical and structural properties of Bi 2 O 3 NPs were studied using UV–VIS spectroscopy, energy-dispersive X-ray spectroscopy (EDS), transmission electron microscope (TEM), scanning electron microscopy (SEM), and …

Surface Aspects of Bismuth Metal Oxide Catalysts

supported on titania is 100 times more active compared to bulk V 2O 5 crystals (29). Thus, the supports play an impor-tant role in activating the metal oxide overlayers for selec-tive oxidation reactions (29, 30). Therefore, it is important ... layers on bismuth oxide, the bismuth oxide support should