Ultrafast Dynamics of Charge Transfer and Photochemical Reactions in Solar Energy Conversion

Abstract: For decades, ultrafast time‐resolved spectroscopy has found its way into an increasing number of applications. It has become a vital technique to investigate energy conversion processes and charge transfer dynamics in optoelectronic systems such as solar cells and solar‐driven photocatalytic applications. The understanding of charge transfer and photochemical reactions can help optimize and improve the performance of relevant devices with solar energy conversion processes. Here, the fundamental principles of photochemical and photophysical processes in photoinduced reactions, in which the fundamental charge carrier dynamic processes include interfacial electron transfer, singlet excitons, triplet excitons, excitons fission, and recombination, are reviewed. Transient absorption (TA) spectroscopy techniques provide a good understanding of the energy/electron transfer processes. These processes, including excited state generation and interfacial energy/electron transfer, are dominate constituents of solar energy conversion applications, for example, dye‐sensitized solar cells and photocatalysis. An outlook for intrinsic electron/energy transfer dynamics via TA spectroscopic characterization is provided, establishing a foundation for the rational design of solar energy conversion devices.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Ultrafast Dynamics of Charge Transfer and Photochemical Reactions in Solar Energy Conversion ; volume:5 ; number:12 ; year:2018 ; extent:18
Advanced science ; 5, Heft 12 (2018) (gesamt 18)

Creator
Xu, Jing‐Yin
Tong, Xin
Yu, Peng
Wenya, Gideon Evans
McGrath, Thomas
Fong, Matthew James
Wu, Jiang
Wang, Zhiming M.

DOI
10.1002/advs.201800221
URN
urn:nbn:de:101:1-2022090507272767934746
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:28 AM CEST

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Associated

  • Xu, Jing‐Yin
  • Tong, Xin
  • Yu, Peng
  • Wenya, Gideon Evans
  • McGrath, Thomas
  • Fong, Matthew James
  • Wu, Jiang
  • Wang, Zhiming M.

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