Curcumin: Nature’s Gold for Photonic Applications

Venkataraj, Roopa; Kailasnath, M.

doi:10.1016/b978-0-12-819728-8.00064-4

Encyclopedia of Materials: Electronics 2023

DOI: 10.1016/b978-0-12-819728-8.00064-4

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Curcumin: Nature’s Gold for Photonic Applications

Roopa Venkataraj¹,

M. Kailasnath²

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2024

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“…3 Natural nanoparticles have sparked intense interest owing to their dynamic role in the development of novel medications employed as therapeutic agents, as well as vast variety of potential applications in optoelectronics, biology, biomedicine, and pharmaceuticals. 5,6 Curcumin (diferuloylmethane), a golden spice, has attracted significant attention from the medical and scientific communities. Curcuma longa has traditionally been utilized in medicine for its therapeutic effects.…”

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Evaluating the Thermal Stability, Morphological and Temperature Effect on Electrical Conductivity, and Dielectric Properties of Curcumin Nano-Crystals

El-Menyawy,

Raslan,

Zedan

et al. 2024

ECS J. Solid State Sci. Technol.

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The thermal structure and morphology of 1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione (curcumin) nanocrystals were investigated deploying thermogravimetric and field-emission scanning electron microscopy (FESEM), respectively. The mass loss was identified between 509-673 K. FESEM images of powder curcumin revealed a fluffy cotton-like morphology with a nearly spherical shape in nanoparticle scale. In addition, the AC conductivity and dielectric features of curcumin as a disk have been examined across a wide frequency range and at various temperatures. Jonscher's relation can be applied to interpret the frequency dependence of AC electrical conductivity. According to the behavior of frequency exponent S, the correlated barrier hopping model is the predominant mechanism. Indeed, the low values of activation energy endorsing the hopping mechanism. The findings show that the maximum barrier height estimated as 0.345 eV. In addition, the impact of frequency and temperature on the dielectric constant, ε', and dielectric loss, ε'', were inspected as was the complex dielectric modulus. According to KWW formula, the Kohlrausch exponent value was estimated as 0.57 at 313 K and rises to 0.67 at 393 K.

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confidence: 99%

Evaluating the Thermal Stability, Morphological and Temperature Effect on Electrical Conductivity, and Dielectric Properties of Curcumin Nano-Crystals

El-Menyawy,

Raslan,

Zedan

et al. 2024

ECS J. Solid State Sci. Technol.

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Curcumin: Nature’s Gold for Photonic Applications

Cited by 1 publication

References 167 publications

Evaluating the Thermal Stability, Morphological and Temperature Effect on Electrical Conductivity, and Dielectric Properties of Curcumin Nano-Crystals

Evaluating the Thermal Stability, Morphological and Temperature Effect on Electrical Conductivity, and Dielectric Properties of Curcumin Nano-Crystals

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