Zobrazeno 1 - 10
of 648
pro vyhledávání: '"Banin, Uri"'
Semiconductor quantum dot (QD) assemblies are utilized in solar cells and light-harvesting devices because of their distinct physical and optical properties. Recent experiments have successfully synthesized QD molecules, arrays, and assemblies with p
Externí odkaz:
http://arxiv.org/abs/2408.02188
Publikováno v:
Adv. Mater. 2023, 35, 2208332
Doped heavy metal-free III-V semiconductor nanocrystal quantum dots are of great interest both from the fundamental aspects of doping in highly confined structures, and from the applicative side of utilizing such building blocks in the fabrication of
Externí odkaz:
http://arxiv.org/abs/2306.14627
Autor:
Koley, Somnath, Cui, Jiabin, Panfil, Yossef. E., Ossia, Yonatan, Levi, Adar, Scharf, Einav, Verbitsky, Lior, Banin, Uri
Publikováno v:
Matter, 5(11), 2022, P. 3997-4014
We investigate the charge re-distribution upon optical excitation of various necked homodimer CQDMs using single particle emission spectroscopy. By tuning the hybridization of the electron wavefunction at a fixed center-to-center distance through con
Externí odkaz:
http://arxiv.org/abs/2306.14614
Publikováno v:
ACS Nano, (2023) 17(6) 5852-5860
Binary compositions of surface ligands are known to improve the colloidal stability and fluorescence quantum yield of nanocrystals (NCs), due to ligand-ligand interactions and surface organization. Herein, we follow the thermodynamics of a ligand exc
Externí odkaz:
http://arxiv.org/abs/2306.08372
Autor:
Frenkel, Nadav, Scharf, Einav, Lubin, Gur, Levi, Adar, Panfil, Yossef E., Ossia, Yonatan, Planelles, Josep, Climente, Juan I., Banin, Uri, Oron, Dan
Coupled colloidal quantum dot molecules are an emerging class of nanomaterials, introducing new degrees of freedom for designing quantum dot-based technologies. The properties of multiply excited states in these materials are crucial to their perform
Externí odkaz:
http://arxiv.org/abs/2305.11027
Autor:
Ossia, Yonatan, Levi, Adar, Panfil, Yossef E., Koley, Somnath, Scharf, Einav, Chefetz, Nadav, Remennik, Sergei, Vakahi, Atzmon, Banin, Uri
Colloidal semiconductor quantum dots are robust emitters implemented in numerous prototype and commercial optoelectronic devices. However, active fluorescence color tuning, achieved so far by electric-field induced Stark effect, has been limited to a
Externí odkaz:
http://arxiv.org/abs/2305.08129
Electron transfer is an important and fundamental process in chemistry, biology and physics, and has received significant attention in recent years. Perhaps one of the most intriguing questions concerns with the realization of the transitions between
Externí odkaz:
http://arxiv.org/abs/2212.00945
Autor:
Cui, Jiabin, Koley, Somnath, Panfil, Yossef E., Levi, Adar, Waiskopf, Nir, Remennik, Sergei, Oded, Meirav, Banin, Uri
Publikováno v:
Angew. Chem. Int. Ed. 2021, 60, 14467
Top-down fabricated nanoantenna architectures of both metallic and dielectric materials demonstrated powerful functionalities for Raman and fluorescence enhancement with relevance to single molecule sensing, while inducing directionality of chromopho
Externí odkaz:
http://arxiv.org/abs/2206.10882
Publikováno v:
ACS Nano, 16(4) Pp. 5566 - 5576 (2022)
Colloidal Quantum Dots (CQDs), major building blocks in modern opto-electronic devices, have so far been synthesized with only one emission center where the exciton resides. Recent development of coupled Colloidal Quantum Dots Molecules (CQDM), where
Externí odkaz:
http://arxiv.org/abs/2206.09626
Autor:
Cui, Jiabin, Koley, Somnath, Panfil, Yossef E., Levi, Adar, Ossia, Yonatan, Waiskopf, Nir, Remennik, Sergei, Oded, Meirav, Banin, Uri
Coupled colloidal quantum dot (CQD) dimers represent a new class of artificial molecules composed of fused core/shell semiconductor nanocrystals. The electronic coupling and wavefunction hybridization is enabled by the formation of an epitaxial conne
Externí odkaz:
http://arxiv.org/abs/2111.13061