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Scaling law for excitons in 2D perovskite quantum wells

Spectroscopy, magnetic field, Bethe-Salpeter, multi quantum wells, perovskites
The physics of the exciton is studied in multilayered perovskite materials, combining magneto-optical spectroscopy (...)

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Unraveling exciton-phonon coupling in individual FAPbI3 nanocrystals emitting near-infrared single photons

An optical spectroscopy of FAPbI3 perovskite quantum dots has evidenced single photon emission in the near infrared range. The electron-phonon coupling processes in the quantum dots are (...)

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Afonso DA CUNHA FERREIRA signs his first paper

In the framework of his PH. D. work, supervized by both Jacky EVEN et Philippe BOURGES (CEA/LLB) and co-supervized by Antoine LÉTOUBLON, Afonso FERREIRA has leaded, by means of coherent neutron (...)

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Quantum and Dielectric Confinement Effects in Lower-Dimensional Hybrid Perovskite Semiconductors

(Chemical Reviews 2019) Sub-nanometric control of the growth of multilayered perovskites and perovskite quantum dots, is opening up additional perspectives for this new class of semiconductors. The present article is an experimental and theoretical review of the state of the art of the understanding of the confinement effects in these low-dimensional nanostructures (...)

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The ground exciton state of formamidinium lead bromide perovskite nanocrystals is a singlet dark state

Perovskite quantum dots (QDs) are promising nanostructures for optoelectronics, especially for the application to light emitting devices (LED). CsPbX3 inorganic QDs or FAPbX3 hybrid QDs (X=I, Br, (...)

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Hongzhi YANG defended his Ph.D thesis

Hongzhi has defended his thesis on June 4th, 2019, at the Beijing Institut of Technology (BIT). Enrolled at BIT under the supervision of Prof. Changming ZHAO, he had spent one full year at (...)

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Highlights 2019

The new issue of Institut FOTON - Highlights 2019 is now released on our website

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First demonstration of solar hydrogen production at FOTON institute

Photoelectrochemical water oxidation of GaP(1-x)Sbx with a direct band gap of 1.65 eV for full spectrum solar energy harvesting.
Hydrogen produced using artificial photosynthesis, i.e. solar (...)

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SFNano - C’Nano 2019 PhD prize for Ida Lucci

« Surface and interface contributions to III-V/Si hetero-epitaxial growth: Theory and Experiments »
Ida LUCCI, former doctoral student of our laboratory will receive the SFNano - C’Nano 2019 PhD (...)

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The Importance of Relativistic Effects on Two-Photon Absorption Spectra in Metal Halide Perovskites

Despite intense research into the optoelectronic properties of MHPs, sub-bandgap absorption in MHPs remains largely unexplored. Here we recorded two-photon absorption spectra of MHPs using the (...)

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