Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Rojas-Gatjens, Esteban"'
Autor:
Quirós-Cordero, Victoria, Rojas-Gatjens, Esteban, Gómez-Dominguez, Martín, Li, Hao, Perini, Carlo A. R., Stingelin, Natalie, Bittner, Eric R., Correa-Baena, Juan-Pablo, Kandada, Ajay Ram Srimath, Silva-Acuña, Carlos
Polariton condensation relies on the massive occupation of the lowest-energy polariton state beyond a required critical density. The mechanisms driving both the occupation and depopulation of the lowest-energy polariton state all rely on multi-partic
Externí odkaz:
http://arxiv.org/abs/2404.14744
Autor:
Rojas-Gatjens, Esteban, Akkerman, Quinten A., Manna, Liberato, Kandada, Ajay Ram Srimath, Silva-Acuña, Carlos
Publikováno v:
J. Chem. Phys. 160, 221101 (2024)
The use of semiconductor nanocrystals in scalable quantum technologies requires characterization of the exciton coherence dynamics in an \emph{ensemble} of electronically isolated crystals in which system-bath interactions are nevertheless strong. In
Externí odkaz:
http://arxiv.org/abs/2402.11673
Autor:
Zheng, Yulong, Rojas-Gatjens, Esteban, Lee, Myeongyeon, Reichmanis, Elsa, Silva-Acuña, Carlos
Publikováno v:
J. Phys. Chem. Lett. 2024, 15, 3705-3712
Bound and unbound Frenkel-exciton pairs are essential transient precursors for a variety of photophysical and biochemical processes. In this work, we identify bound and unbound {Frenkel}-exciton complexes in an electron push-pull polymer semiconducto
Externí odkaz:
http://arxiv.org/abs/2401.04035
Autor:
Zheng, Yulong, Venkatesh, Rahul, Rojas-Gatjens, Esteban, Reichmanis, Elsa, Silva-Acuña, Carlos
Publikováno v:
J. Phys. Chem. Lett. 2024, 15, 272-280
Exciton-exciton annihilation is a ubiquitous nonlinear dynamical phenomenon in materials hosting Frenkel excitons, that has been employed to probe exciton diffusion processes in conjugated polymeric materials. In this work, we investigate the nonline
Externí odkaz:
http://arxiv.org/abs/2311.02716
Autor:
Malatesta, Ravyn, Uboldi, Lorenzo, Kumar, Evan J., Rojas-Gatjens, Esteban, Moretti, Luca, Cruz, Andy, Menon, Vinod, Cerullo, Giulio, Kandada, Ajay Ram Srimath
Optical microcavities are often proposed as platforms for spectroscopy in the single- and few-photon regime due to strong light-matter coupling. For classical-light spectroscopies, an empty microcavity simply acts as an optical filter. However, we fi
Externí odkaz:
http://arxiv.org/abs/2309.04751
Autor:
Rojas-Gatjens, Esteban, Tiede, David Otto, Koch, Katherine A., Romero-Perez, Carlos, Galisteo-Lopez, Juan F., Calvo, Mauricio E., Miguez, Hernan, Kandada, Ajay Ram Srimath
The surface chemistry and inter-connectivity within perovskite nanocrystals play a critical role in determining the electronic interactions. They manifest in the Coulomb screening of electron-hole correlations and the carrier relaxation dynamics, amo
Externí odkaz:
http://arxiv.org/abs/2309.04338
Autor:
Moretti, Luca, Rojas-Gatjens, Esteban, Uboldi, Lorenzo, Tiede, David Otto, Kumar, Evan J, Trovatello, Chiara, Preda, Fabrizio, Perri, Antonio, Manzoni, Cristian, Cerullo, Giulio, Kandada, Ajay Ram Srimath
Publikováno v:
J. Chem. Phys. 159, 084201 (2023)
Nonlinear spectroscopy with quantum entangled photons is an emerging field of research that holds the promise to achieve a superior signal-to-noise ratio and effectively isolate many-body interactions. Photon sources used for this purpose however lac
Externí odkaz:
http://arxiv.org/abs/2304.07828
Autor:
Rojas-Gatjens, Esteban, Yallum, Kaila, Shi, Yangwei, Zheng, Yulong, Bills, Tyler, Perini, Carlo Andrea Riccardo, Correa-Baena, Juan-Pablo, Ginger, David S., Banerji, Natalie, Silva-Acuña, Carlos
Publikováno v:
The Journal of Physical Chemistry C (2023)
We explore the application of excitation correlation spectroscopy to detect nonlinear photophysical dynamics in two distinct semiconductor classes through time-integrated photoluminescence and photocurrent measurements. In this experiment, two variab
Externí odkaz:
http://arxiv.org/abs/2304.00390
Autor:
Shi, Yangwei, Rojas-Gatjens, Esteban, Wang, Jian, Pothoof, Justin, Giridharagopal, Rajiv, Ho, Kevin, Jiang, Fangyuan, Taddei, Margherita, Yang, Zhaoqing, Silva-Acuña, Carlos, Ginger, David S.
We demonstrate reduced surface recombination velocity (SRV) and enhanced power-conversion efficiency (PCE) in mixed-cation mixed-halide perovskite solar cells by using (3-aminopropyl)trimethoxysilane (APTMS) as a surface passivator. We show the APTMS
Externí odkaz:
http://arxiv.org/abs/2209.15105
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