Formation of nanocrystalline and amorphous carbon by high fluence swift heavy ion irradiation of a plasma polymerized polyterpenol thin film precursor

Grant, Daniel S.; Siegele, Rainer; Bazaka, Kateryna; Jacob, Mohan V.

doi:10.1002/app.46498

Cited by 2 publications

(2 citation statements)

References 69 publications

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“…The D band at 1350 cm −1 is related to the vibration of the C atom sp 3 , and the G band at 1600 cm −1 corresponds to the in-plane vibration of the C atom sp 2 [14]. After the carbonized E. coli BL21 and metals were activated, the I D /I G value increased from 0.93 to 1.15, which meant an increased disorder of carbon [46,47]. In addition, a very strong peak corresponding to CO 3 2appeared at 1060 cm −1 [48][49][50].…”

Section: Characterization Of the Mcocmentioning

confidence: 99%

A novel highly dispersed tetra-metal nano heterogeneous ozone catalyst derived from microbial adsorption and in situ pyrolysis

Xie¹,

Fan²,

Cui³

et al. 2020

Nanotechnology

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In recent years, the pyrolysis of microbial biomasses that adsorb various metal ions has enabled the preparation of carbon-based polymetallic nanomaterials with excellent electrocatalytic and electrical energy storage properties. However, the preparation of ozone catalysts by this technique and the corresponding catalytic oxidation mechanism are still unclear. In this study, an Escherichia coli strain (BL21) was used for tetra-metal (Cu, Fe, Mn and Al) absorption and the obtained microbial biomass was pyrolyzed under the protection of a nitrogen flow at 700 °C and activated at 900 °C to prepare a microbial-char-based tetra-metal ozone catalyst (MCOC). This was used to degrade phenol and coking wastewater and exhibited a strong catalytic capability for coking wastewater, whose chemical oxygen demand removal efficiency of 70.86% is 16.7% higher than that of pure ozone and 14.67%, 7.21% and 3.58% higher than that of three commercial catalysts, respectively. It also improved the efficiency of ozonation for phenol by 33%. The MCOC was characterized by x-ray diffraction, x-ray photoelectron spectroscopy, scanning electron microscopy–energy-dispersive spectroscopy, transmission electron microscopy and other methods. The results demonstrated that the spherical metal nanoparticles had sizes ranging from 3 nm to 7 nm and that crystals of Fe2O3 and Fe3P were observed. The study showed that the MCOC promoted the production of more hydroxyl radicals and superoxides from ozone, which attack organics. The oxygen vacancies of the catalyst were also investigated. It was proved that the Lewis acid sites on the surface of metal oxides are the active centers of ozone decomposition. Therefore, this work provides a new method for the synthesis of multi-metal nanocomposites and expands the application of biosynthetic nanomaterials.

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Section: Characterization Of the Mcocmentioning

confidence: 99%

A novel highly dispersed tetra-metal nano heterogeneous ozone catalyst derived from microbial adsorption and in situ pyrolysis

Xie¹,

Fan²,

Cui³

et al. 2020

Nanotechnology

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“…Nano-films are widely used in electronics, textiles, biomedicine, ceramics and other fields [ 1 , 2 , 3 , 4 , 5 , 6 ]. Fabrics coated with Nano film are usually prepared through chemical vapor deposition [ 7 ], chemical deposition [ 8 , 9 ], sol-gel [ 10 ] method and magnetron sputtering [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Recent Progress in Magnetron Sputtering Technology Used on Fabrics

et al. 2018

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The applications of magnetron sputtering technology on the surface coating of fabrics have attracted more and more attention from researchers. Over the past 15 years, researches on magnetron sputtering coated fabrics have been mainly focused on electromagnetic shielding, bacterial resistance, hydrophilic and hydrophobic properties and structural color etc. In this review, recent progress of the technology is discussed in detail, and the common target materials, technologies and functions and characterization of coated fabrics are summarized and analyzed. Finally, the existing problems and future prospects of this developing field are briefly proposed and discussed.

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Formation of nanocrystalline and amorphous carbon by high fluence swift heavy ion irradiation of a plasma polymerized polyterpenol thin film precursor

Cited by 2 publications

References 69 publications

A novel highly dispersed tetra-metal nano heterogeneous ozone catalyst derived from microbial adsorption and in situ pyrolysis

A novel highly dispersed tetra-metal nano heterogeneous ozone catalyst derived from microbial adsorption and in situ pyrolysis

Recent Progress in Magnetron Sputtering Technology Used on Fabrics

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