International Journal of Materials Engineering and Technology

The International Journal of Materials Engineering and Technology publishes peer-reviewed articles on various materials, their properties, processing, and applications in fields such as electronics, energy, and structural engineering. It also welcomes survey articles on advancements in material engineering.

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ORGANIC METALLIC QUANTUM DOTS OF SUBNANOMETER DIMENSIONS BASED ON NONCONJUGATED CONDUCTIVE POLYMERS; NONLINEAR OPTICAL PROPERTIES

Authors

  • Mrinal Thakur

Keywords:

nonconjugated conductive polymers, metallic quantum dots of subnanometer dimensions, nonlinear optics, Kerr coefficients, two-photon absorption

DOI:

https://doi.org/10.17654/0975044424004

Abstract

The electrical conductivity, optical absorption, EPR, magnetic susceptibility, vibration spectroscopic and thermal characteristics  of doped nonconjugated conductive polymers are similar to those of metallic quantum dots, provided a subnanometer dimension is considered. The nonlinear optical characteristics, in particular, quadratic electro-optic effect, electro-absorption and two-photon absorption coefficients as measured for these systems are the largest known for any material. Recently, these nonlinearities have been compared with measured nonlinearities in metal (gold) nanoparticles within transparent dielectric media. Overall, the third order susceptibility was found to increase as $1/d^3$ where d is the diameter of nanoparticle. Nonconjugated conductive polymers uniquely represent metallic quantum dots of subnanometer dimensions.

Received: April 11, 2024
Accepted: May 24, 2024

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Published

2024-06-19

Issue

Vol. 23 No. 1 (2024)

Section

Articles

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How to Cite

ORGANIC METALLIC QUANTUM DOTS OF SUBNANOMETER DIMENSIONS BASED ON NONCONJUGATED CONDUCTIVE POLYMERS; NONLINEAR OPTICAL PROPERTIES. (2024). International Journal of Materials Engineering and Technology, 23(1), 57-80. https://doi.org/10.17654/0975044424004