Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Laurent Coolen"'
Publikováno v:
Exploration, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Numerous experiments have demonstrated improvements on the efficiency of perovskite solar cells by introducing plasmonic nanoparticles, however, the underlying mechanisms are still not clear: the particles may enhance light absorption and sc
Externí odkaz:
https://doaj.org/article/957ccdee3868494aa513cfaa9c7b42f5
Autor:
Jiawen Liu, Laurent Coolen
Publikováno v:
Light: Science & Applications, Vol 12, Iss 1, Pp 1-3 (2023)
Abstract An extensive analysis of biexciton luminescence in high-quality, large perovskite CsPbBr3 nanocrystals shows how the biexciton Auger decay rate deviates from the “universal” volume scaling as the exciton confinement becomes weaker.
Externí odkaz:
https://doaj.org/article/b1ea01768c224a0b96932af6a3be767e
Autor:
Zakarya Ouzit, Jiawen Liu, Juan Pintor, Benoît Wagnon, Lilian Guillemeney, Benjamin Abécassis, Laurent Coolen
Publikováno v:
ACS photonics
ACS photonics, 2023, 10 (2), pp.421-429. ⟨10.1021/acsphotonics.2c01441⟩
ACS photonics, 2023, 10 (2), pp.421-429. ⟨10.1021/acsphotonics.2c01441⟩
International audience; Förster resonant energy transfer (FRET) can be an efficient energy transfer mechanism between densely-packed fluorescent emitters. It plays a key role in photosynthesis but may also be detrimental. In opto-electronic devices
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e5fb198379f05b8c51a65483d3712af
https://hal.science/hal-04002582
https://hal.science/hal-04002582
Publikováno v:
IEEE Photonics Journal, Vol 7, Iss 3, Pp 1-6 (2015)
One-dimensional semiconductor colloidal nanostructures such as nanorods and core-shell dot-in-rods can now be synthesized with excellent chemical stability and photostability, large absorption cross section, reduced blinking, and high quantum efficie
Externí odkaz:
https://doaj.org/article/84f7a37e84694cd28421909a77e1e25c
Publikováno v:
Journal of Physical Chemistry A
Journal of Physical Chemistry A, American Chemical Society, 2021, 125 (34), pp.7572-7580. ⟨10.1021/acs.jpca.1c05167⟩
Journal of Physical Chemistry A, American Chemical Society, 2021, 125 (34), pp.7572-7580. ⟨10.1021/acs.jpca.1c05167⟩
International audience; Probing the transition dipoles responsible for the luminescence of a nano-emitter is essential to understand its physical properties, its interactions with its environment and its potential applications. Various methods in pho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::692adf0c5a6ff31285c83a0307985641
https://doi.org/10.1021/acs.jpca.1c05167
https://doi.org/10.1021/acs.jpca.1c05167
Autor:
Agnès Maître, Frédéric Lerouge, Clotilde Lethiec, Laurent Coolen, Nhung C Vu, Zakarya Ouzit, Julien Laverdant
Publikováno v:
Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2021, 12 (2), pp.752-757. ⟨10.1021/acs.jpclett.0c03395⟩
Journal of Physical Chemistry Letters, 2021, 12 (2), pp.752-757. ⟨10.1021/acs.jpclett.0c03395⟩
Journal of Physical Chemistry Letters, American Chemical Society, 2021, 12 (2), pp.752-757. ⟨10.1021/acs.jpclett.0c03395⟩
Journal of Physical Chemistry Letters, 2021, 12 (2), pp.752-757. ⟨10.1021/acs.jpclett.0c03395⟩
International audience; The 3D orientation of a single gold nanoparticle is probed experimentally by light scattering polarimetry. We choose high-quality gold bipyramids (AuBPs) that support around 700 nm a well-defined narrow longitudinal localized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68ff92b6885f6bcf0d0389ed70e53d9e
https://doi.org/10.1021/acs.jpclett.0c03395
https://doi.org/10.1021/acs.jpclett.0c03395
Publikováno v:
ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2020, 12 (33), pp.37197-37207. ⟨10.1021/acsami.0c09970⟩
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2020, 12 (33), pp.37197-37207. ⟨10.1021/acsami.0c09970⟩
International audience; Among the 3D organic-inorganic hybrid perovskite (OIHP), mixed formamidinium and methylammonium cations lead iodide is one of the most promising for solar cell application. After optimizing the use of methylammonium chloride (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56b589aed635914489508b5050d4e0ad
https://doi.org/10.1021/acsami.0c09970
https://doi.org/10.1021/acsami.0c09970
Publikováno v:
Nano Letters
Nano Letters, American Chemical Society, 2020, ⟨10.1021/acs.nanolett.0c00376⟩
Nano Letters, 2020, ⟨10.1021/acs.nanolett.0c00376⟩
Nano Letters, American Chemical Society, 2020, ⟨10.1021/acs.nanolett.0c00376⟩
Nano Letters, 2020, ⟨10.1021/acs.nanolett.0c00376⟩
International audience; Fluorescent emitters like ions, dye molecules or semiconductor nanoparticles are widely used in opto-electronic devices, usually within densely-packed layers. Their luminescence properties can then be very different from when
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f147a2b16f64bfe98d01d1e8933c299e
https://doi.org/10.1021/acs.nanolett.0c00376
https://doi.org/10.1021/acs.nanolett.0c00376
Autor:
Zakarya Ouzit, Jiawen Liu, Juan Pintor, Lilian Guillemeney, Benoît Wagnon, Benjamin Abécassis, Laurent Coolen
Publikováno v:
Optica Advanced Photonics Congress 2022.
We show by micro-photoluminescence collective blinking of self-assembled stacks of CdSe nanoplatelets. We highlight through a random walk model the effects of FRET and quencher emitters in the stacks on the fluorescence fluctuations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24a534f8144c0a76b926e38f47df5f89
https://doi.org/10.1364/noma.2022.noth3c.3
https://doi.org/10.1364/noma.2022.noth3c.3
Publikováno v:
ACS nano. 16(1)
The inverse Faraday effect allows the generation of stationary magnetic fields through optical excitation only. This light-matter interaction in metals results from creating drift currents
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57d034f98ac2ff9df1dbaa43d4ef33f0
https://pubmed.ncbi.nlm.nih.gov/34962766
https://pubmed.ncbi.nlm.nih.gov/34962766