Cited by 460Laser-Matter Interactions and ApplicationsSpectroscopy and Quantum Chemical StudiesPhotochemistry and Electron Transfer Studies

Ultrafast Spectroscopy: State of the Art and Open Challenges

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Maiuri, Margherita, Garavelli, Marco, Cerullo, Giulio·2020·Journal of the American Chemical Society

Abstract

Ultrafast spectroscopy techniques use sequences of ultrashort light pulses (with femto- to attosecond durations) to study photoinduced dynamical processes in atoms, molecules, nanostructures, and solids. This field of research has experienced an impetuous growth in recent years, due to the technological progress in the generation of ultrashort light pulses and to the development of sophisticated spectroscopic techniques, which greatly increase the amount of information on the process under study. This paper aims at providing a non-exhaustive overview of the state of the art of the field and at pointing out future challenges. We first review the progress in ultrafast optics, which has enabled the generation of broadly tunable light pulses with duration down to a few optical cycles; we then discuss the pump-probe technique, showing examples of its capability to combine very high time resolution, down to the attosecond regime, with broad spectral coverage; we introduce two-dimensional spectroscopy and present results that demonstrate the additional information content provided by the combination of temporal and spectral resolution. Next, we review the achievements of ultrafast X-ray and electron diffraction, which provide time-dependent structural information on photochemical processes, and we conclude with a critical analysis of the future open challenges in the field.

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Crossref · 10.1021/jacs.9b10533

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Authors
Maiuri, M., Garavelli, M., & Cerullo, G.
Affiliations
  • Politecnico di Milano (IT)
  • University of Bologna (IT)
Corresponding author
Cerullo, Giulio
Venue
Journal of the American Chemical Society
Published
2019-12-04
Volume
142
Issue
1
Pages
3-15
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2993477841
Cited by
460
References
143
Citations by year
2026: 76 · 2025: 115 · 2024: 76 · 2023: 73 · 2022: 60 · 2021: 44 · 2020: 16
FWCI
1.81
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, other-oa)
  • Virtual Community of Pathological Anatomy (University of Castilla La Mancha) (submittedVersion)
Funders
Fondazione Internazionale Premio Balzan
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
Keywords
ultrafast spectroscopy, ultrashort light pulses, attosecond pulses, femtosecond pulses, pump-probe spectroscopy, two-dimensional spectroscopy, ultrafast X-ray diffraction, ultrafast electron diffraction, photoinduced dynamics, photochemical processes, attosecond time resolution
MeSH terms
Quantum Theory, Spectrum Analysis, X-Ray Diffraction, X-Rays

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