&lt;I&gt;Photocatalytic Activity of Doped and Undoped Titanium Dioxide Nanoparticles Synthesised by Flame Spray Pyrolysis&lt;/I&gt;

Paulauskas, Irene E.; Modeshia, Deena R.; Ali, Tarek T.; El‐Mossalamy, E.H.; Obaid, Abdullah Y.; Basahel, Sulaiman N.; Al-Ghamdi, Ahmed A.; Sartain, Felicity K.

doi:10.1595/147106713x659109

Cited by 39 publications

(21 citation statements)

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“…18 However, activity of co-doped Al/Pt-TiO 2 sample was higher than the activity of the reference Degussa P25 sample. 18 According to Gesenhues's results 19 aluminum incorporated in TiO 2 white pigments unambiguously suppresses its photocatalytic activity regardless of the Al 2 O 3 dopant concentration in the 0-8 mol% range. At low concentration aluminum dissolves in the bulk of pigment particles, while at gradual increase of the dopant concentration it remains at the particle surface, and the photoactivity of such pigments approaches to some reduced saturation value.…”

Section: Introductionmentioning

confidence: 98%

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂

et al. 2015

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The set of Al-doped titania x-Al-TiO 2 (x = 0.0, 0.1, 0.3, 0.5, 0.7, 0.9, 1.1 wt% Al) has been synthetized by sol-gel method and tested in the reaction of photocatalytic degradation of phenol in aqueous suspension. XRD and Raman studies show that TiO 2 samples have mixedphase rutile-anatase crystalline structure with linear increase of anatase fraction from 0.0 wt% for 0.0-Al-TiO 2 up to 18 wt% for 1.1-Al-TiO 2 . The decrease of the particle size from ∼ 800 nm to 50 nm and the increase of specific surface area from 1.7 m 2 /g up to 28 m 2 /g with increased content of Al have been observed. The data of XRD, XPS, Raman spectroscopy and EDS

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Section: Introductionmentioning

confidence: 98%

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂

et al. 2015

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“…Semiconductor TiO2 is a widely studied material [1][2][3][4][5][6][7] due to the chemical stability, nontoxic nature, inexpensive fabrication and abundance in nature. 8 This highly versatile material has found many applications in a variety of research areas of significance, including electronics, 9 photovoltaics, 10 photocatalysis 3 and photoelectrochemical conversion.…”

Section: Introductionmentioning

confidence: 99%

Ultrafast Carrier Trapping of a Metal-Doped Titanium Dioxide Semiconductor Revealed by Femtosecond Transient Absorption Spectroscopy

Sun

Yang

Khan

et al. 2014

ACS Appl. Mater. Interfaces

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“…The results showed that among Pt/TiO 2 -based photocatalysts, Pt-Sn/TiO 2 shows the highest degradation rates compared to Pt/TiO 2 and the commercially available benchmark P25 (34). As an alternative to fl ame assisted methods, Haugen et al used SP equipment for the atomisation of an aqueous solution of precursors followed by calcination in a tube furnace between 800ºC and 1000ºC at short residence time to produce TiO 2 , Ag/TiO 2 and Au/TiO 2 .…”

Section: Noble Metals On Titania Supportmentioning

confidence: 99%

Improvement of Noble Metal Based Photocatalysts by Spray Pyrolysis Processes

Pelletier¹

2016

Johnson Matthey Technology Review

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Oxidation technologies and advanced oxidation processes (AOPs) have been regarded as a competitive method for the remediation of persistent pollutants in water. Among AOPs, the use of photocatalysis has particularly attracted interest in recent decades. However, attempts to improve the effi ciency of photocatalysts in terms of both enhanced activity and applicability under visible light have proved challenging. In this context, there is a need for processes able to achieve the synthesis of innovative nanostructured materials meeting these criteria with reproducibility and scalability in mind. The aim of this review is to focus on two themes of interest, namely noble metal based catalysts and spray pyrolysis (SP) processes. Several alternative SP methods have been reported and these will be described. The emphasis is placed on the recent use of SP for the synthesis of noble metal/ semiconductor nanomaterials and their enhanced photocatalytic activity. Recent innovations in the design of SP processes and their potential to further improve noble metal-based photocatalysts are also examined. Finally, the possibility of using SP processes as a fl exible tool to achieve immobilisation of photocatalysts onto substrates and in reactor for real water treatment application is considered.

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<I>Photocatalytic Activity of Doped and Undoped Titanium Dioxide Nanoparticles Synthesised by Flame Spray Pyrolysis</I>

Cited by 39 publications

References 1 publication

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂

Ultrafast Carrier Trapping of a Metal-Doped Titanium Dioxide Semiconductor Revealed by Femtosecond Transient Absorption Spectroscopy

Improvement of Noble Metal Based Photocatalysts by Spray Pyrolysis Processes

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<I>Photocatalytic Activity of Doped and Undoped Titanium Dioxide Nanoparticles Synthesised by Flame Spray Pyrolysis</I>

Cited by 39 publications

References 1 publication

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO2

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO2

Ultrafast Carrier Trapping of a Metal-Doped Titanium Dioxide Semiconductor Revealed by Femtosecond Transient Absorption Spectroscopy

Improvement of Noble Metal Based Photocatalysts by Spray Pyrolysis Processes

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Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂

Influence of the Dopant Concentration on the Photocatalytic Activity: Al-Doped TiO₂