One dimensional well-aligned CdO nanocrystal by solvothermal method

Kaviyarasu, K.; Manikandan, E.; Paulraj, P.; Mohamed, S. Beer; Kennedy, J.

doi:10.1016/j.jallcom.2014.01.071

Cited by 181 publications

(44 citation statements)

References 27 publications

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“…1(i,j). The diffraction peaks were very diffuse, suggesting that the texture was polycrystalline with small grain sizes242526. Therefore, the distributed pore sizes and mean pore diameters obtained from N 2 adsorption–desorption analyses would represent the values for the whole crystal network.…”

Section: Resultsmentioning

confidence: 99%

Photodegradation of organic pollutants RhB dye using UV simulated sunlight on ceria based TiO2 nanomaterials for antibacterial applications

Kaviyarasu

Kennedy

Manikandan

et al. 2016

Sci Rep

388

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To photo-catalytically degrade RhB dye using solar irradiation, CeO 2 doped TiO 2 nanocomposites were synthesized hydrothermally at 700 °C for 9 hrs. All emission spectra showed a prominent band centered at 442 nm that was attributed to oxygen related defects in the CeO 2 -TiO 2 nanocrystals. Two sharp absorption bands at 1418 cm −1 and 3323 cm −1 were attributed to the deformation and stretching vibration, and bending vibration of the OH group of water physisorbed to TiO 2 , respectively. The photocatalytic activities of Ce-TiO 2 nanocrystals were investigated through the degradation of RhB under UV and UV+ visible light over a period of 8 hrs. After 8 hrs, the most intense absorption peak at 579 nm disappeared under the highest photocatalytic activity and 99.89% of RhB degraded under solar irradiation. Visible light-activated TiO 2 could be prepared from metal-ion incorporation, reduction of TiO 2 , non-metal doping or sensitizing of TiO 2 using dyes. Studying the antibacterial activity of Ce-TiO 2 nanocrystals against E. coli revealed significant activity when 10 μg was used, suggesting that it can be used as an antibacterial agent. Its effectiveness is likely related to its strong oxidation activity and superhydrophilicity. This study also discusses the mechanism of heterogeneous photocatalysis in the presence of TiO 2 . Solar energy is uniquely poised to solve major energy and environmental challenges that are being faced by humankind. As such, it is important to develop a suitable environmentally-friendly technology that permits the full range of the solar spectrum to be used for simultaneously solving energy and environmental challenges. It has been proposed that it is possible to address these challenges using nanocomposite materials that are capable of solar photocatalytic conversion 1,2 . Nanocomposite materials have a mixture of different chemical compositions and have received wide interest from fundamental and applied science researchers. The physical properties of these materials can be combined to produce materials that have desirable characteristics. Optical or biological characteristics can change with decreasing particle sizes, which is a major reason for interest in nanocomposite materials 3 . For example, metal oxide nanocomposites have excellent physical properties, such as high hardness and melting points, low densities and coefficients of thermal expansion, high thermal conductivities, good chemical stabilities. They also have improved mechanical properties, such as higher specific strengths, better wear resistance and specific modulus, and have wide potential for various industrial fields 4,5 .

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Section: Resultsmentioning

confidence: 99%

Photodegradation of organic pollutants RhB dye using UV simulated sunlight on ceria based TiO2 nanomaterials for antibacterial applications

Kaviyarasu

Kennedy

Manikandan

et al. 2016

Sci Rep

388

View full text Add to dashboard Cite

show abstract

“…Nano-scaled Cadmium oxide (CdO) have attracted special interest due to their unique optical transparency combined with a significant electronic conductivity, a property which was known as back as 1907 [1]. More precisely, CdO is a IIIeIV n-type semiconductor with a direct large and a narrow indirect band gaps ranging within 2.2e2.5 eV and 1.36e1.98 eV respectively [2,3].…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of Monteponite CdO nanoparticles by Agathosma betulina natural extract

Thema

Beukes

Gurib-Fakim

et al. 2015

Journal of Alloys and Compounds

155

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“…This paper reports the synthesis, characterization, and H 2 S gas sensing properties of Fe 2 O 3 nanoparticles and Fe 2 O 3 nanoparticle-decorated NiO nanoplates. The nanoparticles were synthesized using a solvothermal method [17,18] …”

Section: Accepted Manuscriptmentioning

confidence: 99%

H2S gas sensing properties of Fe2O3 nanoparticle-decorated NiO nanoplate sensors

Sun

Kheel

Lee

et al. 2016

Surface and Coatings Technology

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One dimensional well-aligned CdO nanocrystal by solvothermal method

Cited by 181 publications

References 27 publications

Photodegradation of organic pollutants RhB dye using UV simulated sunlight on ceria based TiO2 nanomaterials for antibacterial applications

Photodegradation of organic pollutants RhB dye using UV simulated sunlight on ceria based TiO2 nanomaterials for antibacterial applications

Green synthesis of Monteponite CdO nanoparticles by Agathosma betulina natural extract

H2S gas sensing properties of Fe2O3 nanoparticle-decorated NiO nanoplate sensors

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