Optical properties of polymer-graphene composites coated with gold and silver alloy nanoparticles

E. V. Boyko, I. A. Kostogrud, D. V. Smovzh

Research output: Contribution to journalConference articlepeer-review

Abstract

The plasmon resonance phenomenon occurring in the system of graphene-polymer-nanoparticles of an alloy of gold and silver is investigated. The possibility of controlling the attenuation of the intensity of electromagnetic radiation passing through the sample by changing the composition and thickness of the deposited coating is shown. For the investigated gold and silver alloy nanoparticles, the highest degree of radiation attenuation falls on the wavelength range from 400 to 600 nm. It was shown that by changing the composition of the nanoparticles (changing the ratio of gold and silver in the alloy), it is possible to achieve the maximum selective light attenuation by more than 2.5 times in the 500 nm region. In the 700 nm region, light attenuation by not more than 2 times is achieved. It was revealed that the use of films with different metal ratios allows us to shift the position of plasmon absorption in the entire visible wavelength range.

Original languageEnglish
Article number012089
JournalJournal of Physics: Conference Series
Volume1675
Issue number1
DOIs
Publication statusPublished - 15 Dec 2020
Event5th All-Russian Scientific Conference Thermophysics and Physical Hydrodynamics with the School for Young Scientists, TPH 2020 - Yalta, Crimea, Ukraine
Duration: 13 Sep 202020 Sep 2020

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