Quantifying the Size‐Dependent Exciton‐Phonon Coupling Strength in Single Lead‐Halide Perovskite Quantum Dots

C Zhu, LG Feld, M Svyrydenko… - Advanced Optical …, 2024 - Wiley Online Library
Optimizing the performance of semiconductors in both classical and quantum applications,
not only requires a solid understanding of elementary excitations such as electrons, holes …

Incoherent nonadiabatic to coherent adiabatic transition of electron transfer in colloidal quantum dot molecules

B Hou, M Thoss, U Banin, E Rabani - Nature communications, 2023 - nature.com
Electron transfer is a fundamental process in chemistry, biology, and physics. One of the
most intriguing questions concerns the realization of the transitions between nonadiabatic …

Circumventing the phonon bottleneck by multiphonon-mediated hot exciton cooling at the nanoscale

D Jasrasaria, E Rabani - npj Computational Materials, 2023 - nature.com
Nonradiative processes govern efficiencies of semiconductor nanocrystal (NC)-based
devices. A central process is hot exciton cooling, or the nonradiative relaxation of a highly …

Ligand-Induced Size-Dependent Circular Dichroism in Quantum Dots

D Chabeda, S Gee, E Rabani - The Journal of Physical Chemistry …, 2024 - ACS Publications
Recent experiments have probed the chiral properties of semiconductor nanocrystal (NC)
quantum dots (QDs), but understanding the circular dichroism line shape, excitonic features …

Intrinsically slow cooling of hot electrons in CdSe nanocrystals compared to CdS

MJ Coley-O'Rourke, B Hou, SJ Sherman… - Nano Letters, 2024 - ACS Publications
The utilization of excited charge carriers in semiconductor nanocrystals (NCs) for
optoelectronic technologies has been a long-standing goal in the field of nanoscience …

Polaritonic bottleneck in colloidal quantum dots

K Peng, E Rabani - Nano Letters, 2023 - ACS Publications
Controlling the relaxation dynamics of excitons is key to improving the efficiencies of
semiconductor-based applications. Confined semiconductor nanocrystals (NCs) offer …

Polariton-assisted incoherent to coherent excitation energy transfer between colloidal nanocrystal quantum dots

K Peng, E Rabani - The Journal of Chemical Physics, 2024 - pubs.aip.org
We explore the dynamics of energy transfer between two nanocrystal quantum dots placed
within an optical microcavity. By adjusting the coupling strength between the cavity photon …

Exciton–Phonon Coupling in Single ZnCdSe-Dot/CdS-Rod Nanocrystals with Engineered Band Gaps from Type-II to Type-I

F Johst, J Rebmann, H Werners, L Klemeyer… - ACS …, 2024 - ACS Publications
Exciton–phonon coupling limits the homogeneous emission line width of nanocrystals.
Hence, a full understanding of this is crucial. In this work, we statistically investigate exciton …

Non-Monotonic Size-Dependent Exciton Radiative Lifetime in CsPbBr3 Nanocrystals

AS Abbas, D Chabeda, D Weinberg, DT Limmer… - arxiv preprint arxiv …, 2024 - arxiv.org
Lead-halide perovskite nanocrystals have recently emerged as desirable optical materials
for applications such as coherent quantum light emitters and solid-state laser cooling due to …

Exciton-Phonon Coupling in Single Band-Gap Engineered ZnCdSe-Dot/CdS-Rod Nanocrystals

F Johst, J Rebmann, H Werners, L Klemeyer… - arxiv preprint arxiv …, 2024 - arxiv.org
Exciton-phonon coupling limits the homogeneous emission linewidth of nanocrystals.
Hence, a full understanding of it is crucial. In this work, we statistically investigate exciton …