The electrical conductivity and pyroelectrical properties of ferric acetylacetone single crystal

Molokhia, N. M.

doi:10.1007/bf03157422

Cited by 6 publications

(1 citation statement)

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“…However, the remarkable lag of drop for O-CNTs with respect to MWCNTs may be attributed to the enhancement in surface area. On the other hand; at high frequencies; the induced electric dipoles lag the oscillation of the applied electric field and hence in both samples, almost constant capacitance values were detected within the rest of the range, since the total polarization becomes smaller [39]. Representative loss factor curves are shown in figure 10.…”

Section: Dielectric Characteristicsmentioning

confidence: 95%

Synthesized partially unzipped carbon nanotubes and potential DNA/CNTs interactions

Fouda

Almaqwashi

2023

Phys. Scr.

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Carbon nanotubes (CNTs) are structurally considered to be graphene nano-ribbons (GNRs) that rolled up into seamless tubes. While CNTs nanotechnology is advancing, synthesis of GNRs from CNTs is sought after for precise and integrative graphene applications. Acid treatment of CNTs can generate longitudinal unzipping in an effective, large scale and economic approach. However, further understanding of CNTs-to-GNRs degradation, which mimics biodegradation molecular processes by oxidants, can also aid to assess toxicological impact of biodegraded CNTs. In this study, unzipping of multi-wall carbon nanotubes (MWCNTs) was established using a strong oxidizing agent. The influence of oxidation on the morphological, crystalline quality and dielectric properties was investigated. In particular, partial unzipping of CNTs was confirmed by transmission electron microscopy (TEM), and scanning electron microscopy (SEM) images. Broad band dielectric spectroscopy (BDS) was utilized to depict the influence of the applied frequency on the dielectric properties. GNRs exhibited a lag in the drop of capacitance and impedance to higher values of frequency with respect to the starting MWCNTs. Furthermore, DNA interactions with partially unzipped carbon nanotubes, were computationally assessed by employing molecular docking. The obtained potential DNA-CNT molecular confirmations were illustrated and their biomolecular implications were discussed.

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Section: Dielectric Characteristicsmentioning

confidence: 95%