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Time-Resolved Laser Spectroscopy in Molecular Devices for Solar Energy Conversion

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Molecular Devices for Solar Energy Conversion and Storage

Part of the book series: Green Chemistry and Sustainable Technology ((GCST))

Abstract

A complete characterization of solar energy conversion devices and the processes underlying their function is a challenge, and require a multitude of different experimental methods. This chapter discusses investigations of molecular solar cells and solar fuels devices by time-resolved laser spectroscopic methods. These methods have established important concepts we now use for understanding the function of devices for solar energy conversion into primary products. We give examples of scientific insight provided by ultrafast methods using detection in the regions from X-ray to THz radiation, and particularly highlight the case where the use of different methods has provided complementary information. Charge collection and solar fuel catalysis on the other hand occur on longer time scales, which opens for the use of time-resolved magnetic resonance and microwave conductivity methods. We also point out that, with suitable precautions, time-resolved laser spectroscopy is able to give information relevant for in operando device conditions.

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Abbreviations

CIDNP:

Chemically induced dynamic nuclear polarization

EPR:

Electron paramagnetic resonance

FTIR:

Fourier-transform infrared

NMR:

Nuclear magnetic resonance

SFG:

Sum-frequency generation

TRIR:

Time-resolved infrared

TRLS:

Time-resolved laser spectroscopy (general for all laser-based time-resolved spectroscopies)

TRMC:

Time-resolved microwave conductivity

TRTS:

Time-resolved THz spectroscopy

XAS:

X-ray absorption spectroscopy (XAFS and XANES are subdivisions of XAS)

XAFS:

X-ray absorption fine structure

XANES:

X-ray absorption near-edge structure

XDS:

X-ray diffuse scattering

XES:

X-ray emission spectroscopy

XPS:

X-ray photoelectron spectroscopy

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Acknowledgements

The authors want to thank all our coworkers and long-term collaboration partners. We also gratefully acknowledge financial support from The Swedish Research Council, The Knut and Alice Wallenberg Foundation and The Swedish Energy Agency.

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Authors and Affiliations

  1. Department of Chemistry—Ångström Laboratory, Uppsala University, Box 523, 751 20, Uppsala, Sweden

    Leif Hammarström & Reiner Lomoth

  2. Division of Chemical Physics, Lund University, Box 124, 221 00, Lund, Sweden

    Carlito S. Ponseca Jr., Pavel Chábera, Jens Uhlig & Villy Sundström

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  1. Leif Hammarström
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  2. Reiner Lomoth
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  3. Carlito S. Ponseca Jr.
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  4. Pavel Chábera
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  5. Jens Uhlig
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  6. Villy Sundström
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Correspondence to Leif Hammarström or Villy Sundström .

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Editors and Affiliations

  1. Department of Chemistry—Ångström Laboratory, Uppsala University, Uppsala, Sweden

    Haining Tian

  2. Department of Chemistry—Ångström Laboratory, Uppsala University, Uppsala, Sweden

    Gerrit Boschloo

  3. École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

    Anders Hagfeldt

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Hammarström, L., Lomoth, R., Ponseca, C.S., Chábera, P., Uhlig, J., Sundström, V. (2018). Time-Resolved Laser Spectroscopy in Molecular Devices for Solar Energy Conversion. In: Tian, H., Boschloo, G., Hagfeldt, A. (eds) Molecular Devices for Solar Energy Conversion and Storage. Green Chemistry and Sustainable Technology. Springer, Singapore. https://doi.org/10.1007/978-981-10-5924-7_11

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