Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Kevin Berwick"'
Formation of Gold Nanoparticle Self-Assembling Films in Various Polymer Matrices for SERS Substrates
Autor:
Ksenia A. Maleeva, Ilia E. Kaliya, Anton P. Tkach, Anton A. Babaev, Michail A. Baranov, Kevin Berwick, Tatiana S. Perova, Alexander V. Baranov, Kirill V. Bogdanov
Publikováno v:
Materials, Vol 15, Iss 15, p 5197 (2022)
Surface-enhanced Raman spectroscopy (SERS) is regarded as a versatile tool for studying the composition and structure of matter. This work has studied the preparation of a SERS substrate based on a self-assembling plasmonic nanoparticle film (SPF) in
Externí odkaz:
https://doaj.org/article/e7a1f8e6c53d4108bebe2a918a1cc0a4
Autor:
Anton A. Babaev, Anastasiia V. Sokolova, Sergei A. Cherevkov, Kevin Berwick, Alexander V. Baranov, Anatoly V. Fedorov, Aleksandr P. Litvin
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1623 (2021)
PL intensity quenching and the PL lifetime reduction of fluorophores located close to graphene derivatives are generally explained by charge and energy transfer processes. Analyzing the PL from PbS QDs in rGO/QD systems, we observed a substantial red
Externí odkaz:
https://doaj.org/article/92a64cc71f1343ff8b81c151f91d0e4a
Autor:
Irina V. Martynenko, Anna O. Orlova, Vladimir G. Maslov, Anatoly V. Fedorov, Kevin Berwick, Alexander V. Baranov
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 7, Iss 1, Pp 1018-1027 (2016)
The formation of nonluminescent aggregates of aluminium sulfonated phthalocyanine in complexes with CdSe/ZnS quantum dots causes a decrease of the intracomplex energy transfer efficiency with increasing phthalocyanine concentration. This was confirme
Externí odkaz:
https://doaj.org/article/08a05eabbc2945dab5ed3fa9567f60f5
Publikováno v:
Materials, Vol 13, Iss 3, p 631 (2020)
The optical constant of bulk metal is used to determine the dispersion of the local field under one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) confinement. 3D confinement, expressed as ε 2 m i c ( ω 3 D ) , corresponds to the
Externí odkaz:
https://doaj.org/article/8ed9cbd2e8204f079b916b2f3ec17724
Autor:
Kevin Berwick, K. A. Gonchar, Peter S. Parfenov, Alexander V. Baranov, A. P. Litvin, Anatoly V. Fedorov, D. A. Onishchuk
Publikováno v:
Articles
The effects of a high background count and a microsecond dead time interval on a gated InGaAs/InP single-photon avalanche photodiode (SPAD) during microsecond luminescence decay registration are discussed. It is shown that the background count rate o
Autor:
Anastasiia Sokolova, Anatoly V. Fedorov, Anton A. Babaev, Aleksandr P. Litvin, Kevin Berwick, Sergei A. Cherevkov, Alexander V. Baranov
Publikováno v:
Nanomaterials
Volume 11
Issue 6
Nanomaterials, Vol 11, Iss 1623, p 1623 (2021)
Volume 11
Issue 6
Nanomaterials, Vol 11, Iss 1623, p 1623 (2021)
PL intensity quenching and the PL lifetime reduction of fluorophores located close to graphene derivatives are generally explained by charge and energy transfer processes. Analyzing the PL from PbS QDs in rGO/QD systems, we observed a substantial red
Publikováno v:
Articles
Materials; Volume 13; Issue 3; Pages: 631
Materials
Materials, Vol 13, Iss 3, p 631 (2020)
Materials; Volume 13; Issue 3; Pages: 631
Materials
Materials, Vol 13, Iss 3, p 631 (2020)
The optical constant of bulk metal is used to determine the dispersion of the local field under one-dimensional (1D), two-dimensional (2D) and three-dimensional (3D) confinement. 3D confinement, expressed as ε 2 m i c ( ω 3 D ) , corresponds to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61b8d7510ef613fcdb85f19e81741f73
https://arrow.tudublin.ie/context/engscheleart2/article/1238/viewcontent/Perova.pdf
https://arrow.tudublin.ie/context/engscheleart2/article/1238/viewcontent/Perova.pdf
Autor:
Peter S. Parfenov, Mikhail A. Baranov, Alexander V. Baranov, Anatoly V. Fedorov, Anton A. Babaev, Kevin Berwick, Olga V. Andreeva, Aleksandr P. Litvin, Elena V. Ushakova
Publikováno v:
Articles
The optical properties of lead sulfide quantum dots (QDs) of different sizes embedded in a nanoporous silicate glass matrix (NSM) are investigated by steady-state and transient photoluminescence spectroscopy. The use of this matrix allows the fabrica
Publikováno v:
Articles
The effect of dipole-dipole interactions of free electrons on the spectral characteristics of simple metals and their nanoparticles is analyzed using Drude theory and the model of the Lorentz local field. It is established that accounting for the dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84ad249b7c546b97a3bc74beee3a7e7c
https://arrow.tudublin.ie/context/engscheleart2/article/1304/viewcontent/Influence_of_the_Local_Field_and_Dipole_Dipole_Interactions_on_the_Spectral_Characteristics_of_Simple_Metals_and_Their_Nanoparticles.pdf
https://arrow.tudublin.ie/context/engscheleart2/article/1304/viewcontent/Influence_of_the_Local_Field_and_Dipole_Dipole_Interactions_on_the_Spectral_Characteristics_of_Simple_Metals_and_Their_Nanoparticles.pdf
Autor:
Aleksandr P. Litvin, Kevin Berwick, Anatoly V. Fedorov, Weitao Zheng, Xiaoyu Zhang, Alexander V. Baranov
Publikováno v:
Articles
Perovskites are solution-processed, high-performance semiconductors of interest in low-cost photovoltaics. The interfaces between the perovskite photoactive layers and the top and bottom contacts are crucial for efficient charge transport and minimiz