Journal Article

PUBDB-2024-05579

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Toward ultrafast soft x-ray spectroscopy of organic photovoltaic devices

Garratt, D.Extern*XFEL.EU* ; Matthews, M. ; Marangos, J. (Corresponding author)Extern*

2024
AIP Publishing LLC Melville, NY

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Please use a persistent id in citations: doi:10.1063/4.0000214  doi:10.3204/PUBDB-2024-05579

Abstract: Novel ultrafast x-ray sources based on high harmonic generation and at x-ray free electron lasers are opening up new opportunities to resolve complex ultrafast processes in condensed phase systems with exceptional temporal resolution and atomic site specificity. In this perspective, we present techniques for resolving charge localization, transfer, and separation processes in organic semiconductors and organic photovoltaic devices with time-resolved soft x-ray spectroscopy. We review recent results in ultrafast soft x-ray spectroscopy of these systems and discuss routes to overcome the technical challenges in performing time-resolved x-ray experiments on photosensitive materials with poor thermal conductivity and low pump intensity thresholds for nonlinear effects.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 6G2 - FLASH (DESY) (POF4-6G2) (POF4-6G2)

Experiment(s):

1. FLASH Beamline PG2 (FLASH)

Appears in the scientific report 2024

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