Ultrafast hole relaxation dynamics in quantum dots revealed by two-dimensional electronic spectroscopy

PJ Brosseau, JJ Geuchies, D Jasrasaria… - Communications …, 2023 - nature.com
Elucidating the population dynamics of correlated electron-hole pairs (bound excitons) in
semiconducting quantum dots (QDs) is key for developing our fundamental understanding of …

Visualizing ultrafast electron transfer processes in semiconductor–metal hybrid nanoparticles: Toward excitonic–plasmonic light harvesting

FVA Camargo, Y Ben-Shahar, T Nagahara… - Nano …, 2021 - ACS Publications
Recently, it was demonstrated that charge separation in hybrid metal–semiconductor
nanoparticles (HNPs) can be obtained following photoexcitation of either the semiconductor …

Origin of vibronic coherences during carrier cooling in colloidal quantum dots

CV Hetherington, N Mohan TM, RW Tilluck… - The Journal of …, 2023 - ACS Publications
Recent two-dimensional electronic spectroscopy experiments [Tilluck et al. J. Phys. Chem.
Lett. 2021, 12 (39), 9677− 9683] indicate the creation of coherent vibronic wavepackets in …

Seeing multiexcitons through sample inhomogeneity: Band-edge biexciton structure in CdSe nanocrystals revealed by two-dimensional electronic spectroscopy

H Seiler, S Palato, C Sonnichsen, H Baker… - Nano Letters, 2018 - ACS Publications
The electronic structure of multiexcitons significantly impacts the performance of
nanostructures in lasing and light-emitting applications. However, these multiexcitons …

Symmetry-Dependent Dynamics in Au38(SC6H13)24 Revealed by Polarization-Dependent Two-Dimensional Electronic Spectroscopy

WR Jeffries, CM Aikens… - The Journal of Physical …, 2023 - ACS Publications
Structurally precise metal nanoclusters exhibit complex electronic relaxation dynamics that
differ from those of plasmonic nanoparticles. Here, we show the importance of the electronic …

Thickness-dependent electronic relaxation dynamics in solution-phase redox-exfoliated MoS2 heterostructures

WR Jeffries, AM Jawaid, RA Vaia… - The Journal of …, 2024 - pubs.aip.org
Electronic relaxation dynamics of solution-phase redox-exfoliated molybdenum disulfide
(MoS 2) monolayer and multilayer ensembles are described. MoS 2 was exfoliated using …

Enhanced charge separation of CuS and CdS quantum-dot-cosensitized porous TiO2-based photoanodes for photoelectrochemical water splitting

J Du, M Yang, F Zhang, X Cheng, H Wu, H Qin… - Ceramics …, 2018 - Elsevier
Photoelectrochemical (PEC) water splitting using high-performance catalysts shows
considerable promise in generating environment-friendly hydrogen energy. Its practical …

Characterization of the ultrafast spectral diffusion and vibronic coherence of TIPS-pentacene using 2D electronic spectroscopy

DV Le, JM de la Perrelle, TN Do, X Leng… - The Journal of …, 2021 - pubs.aip.org
TIPS-pentacene is a small-molecule organic semiconductor that is widely used in
optoelectronic devices. It has been studied intensely owing to its ability to undergo singlet …

Ultrafast relaxation dynamics of Au38 (SC6H13) 24 monolayer-protected clusters resolved by two-dimensional electronic spectroscopy

WR Jeffries, J Foxley… - The Journal of Chemical …, 2021 - pubs.aip.org
Electronic relaxation dynamics of neutral Au 38 (SC 6 H 13) 24 monolayer-protected clusters
(MPCs), following excitation of the mixed 15 875 cm− 1 charge transfer resonance, were …

Charge Carrier Dynamics and Broad Wavelength Tunable Amplified Spontaneous Emission in ZnxCd1–xSe Nanowires

X Li, Q Wei, K Wang, S Peng, T Liu… - The Journal of …, 2019 - ACS Publications
Zn x Cd1–x Se is regarded as a promising semiconducting material for optoelectronic
devices. However, the tunable amplified spontaneous emission (ASE) properties and …