Two-dimensional electronic spectroscopy

E Fresch, FVA Camargo, Q Shen, CC Bellora… - Nature Reviews …, 2023 - nature.com
Two-dimensional electronic spectroscopy (2DES) is a popular technique that can track
ultrafast coherent and incoherent processes in real time. Since its development in the late …

2D electronic spectroscopic techniques for quantum technology applications

E Collini - The Journal of Physical Chemistry C, 2021 - ACS Publications
2D electronic spectroscopy (2DES) techniques have gained particular interest given their
capability of following ultrafast coherent and noncoherent processes in real-time. Although …

Higher-order multidimensional and pump–probe spectroscopies

J Lüttig, S Mueller, P Malý, JJ Krich… - The journal of physical …, 2023 - ACS Publications
Transient absorption and coherent two-dimensional spectroscopy are widely established
methods for the investigation of ultrafast dynamics in quantum systems. Conventionally, they …

Unifying nonlinear response and incoherent mixing in action-2D electronic spectroscopy

M Bruschi, L Bolzonello, F Gallina… - The Journal of Physical …, 2023 - ACS Publications
Action-detection has expanded the scope and applicability of 2D electronic spectroscopy,
while posing new challenges for the unambiguous interpretation of spectral features. In this …

Nonlinear Optical Spectroscopy of Molecular Assemblies: What Is Gained and Lost in Action Detection?

L Bolzonello, M Bruschi, B Fresch… - The Journal of Physical …, 2023 - ACS Publications
This study elucidates the information content that is extracted from action-2D electronic
spectroscopy (A-2DES) when the output intensity is not proportional to the number of …

Simulating action-2D electronic spectroscopy of quantum dots: insights on the exciton and biexciton interplay from detection-mode and time-gating

M Bruschi, F Gallina, B Fresch - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Action-2D electronic spectroscopy is emerging as a powerful technique to investigate
exciton dynamics in molecular aggregates and nanostructures. While maintaining the power …

Conditions for efficient charge generation preceded by energy transfer process in non-fullerene organic solar cells

L Benatto, CAM Moraes, G Candiotto… - Journal of Materials …, 2021 - pubs.rsc.org
The minimum driving force strategy is applied to promote the exciton dissociation in organic
solar cells (OSCs) without significant loss of open-circuit voltage. However, this strategy …

In Operando Quantification of Single and Multiphoton Photocurrents in GaP and InGaN Photodetectors with Phase-Modulated Femtosecond Light Pulses

C Wang, J Cai, X Liu, C Chen, X Chen, KJ Karki - ACS Photonics, 2023 - ACS Publications
Single and multiphoton absorptions in wide band gap semiconductors determine the
functionality of photodetectors, lasers, and light-emitting diodes (LEDs). Although electronic …

Uncovering transport mechanisms in perovskite materials and devices with recombination-induced action spectroscopies

MG McNamee, Z Ouyang, L Yan, Z Gan… - The Journal of …, 2023 - ACS Publications
Although valuable insights are derived from conventional spectroscopic approaches, the
understanding of a photovoltaic device's operation mechanisms can be limited in ex situ …

Spatiotemporal mapping uncouples exciton diffusion from singlet–singlet annihilation in the electron acceptor Y6

G Lo Gerfo M, L Bolzonello… - The Journal of …, 2023 - ACS Publications
Understanding the spatial dynamics of nanoscale exciton transport beyond the temporal
decay is essential for further improvements of nanostructured optoelectronic devices, such …