Light-induced mass transport in amorphous chalcogenides/gold nanoparticles composites

• Дата: 2013
• Автори: Trunov, M.L., Lytvyn, P.M., Nagy, P.M., Oberemok, O.S., Durkot, M.O., Tarnaii, A.A., Prokopenko, I.V., Rubish, V.M.
• Формат: Стаття
• Мова: English
• Опубліковано: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2013
• Назва видання: Semiconductor Physics Quantum Electronics & Optoelectronics
• Онлайн доступ: https://nasplib.isofts.kiev.ua/handle/123456789/117815
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Light-induced mass transport in amorphous chalcogenides/gold nanoparticles composites / M.L.Trunov, P.M. Lytvyn, P.M. Nagy, O.S. Oberemok, M.O. Durkot, A.A. Tarnaii, I.V. Prokopenko, V.M. Rubish // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2013. — Т. 16, № 4. — С. 354-361. — Бібліогр.: 28 назв. — англ.

We have established that mass-transport processes in two types of amorphous materials, based on light-sensitive inorganic compounds like Se and As₂₀Se₈₀ chalcogenide glasses (ChG), can be enhanced at the nanoscale in the presence of localized plasmonic fields generated by visible light in gold nanoparticles (GNPs), if the condition of surface plasmon resonance (SPR) is fulfilled. It was found that irradiation by light in the presence of SPR produces profound surface nanostructurizations, and variation in topography follows closely and permanently the underlying near field intensity pattern. We have proposed a model of mass-transport in which the existence of moving anisotropic dipolar units and internal electric field in ChG as a main driving force of this movement is suggested.