Unlocking Mesoscopic Disorder in Graphitic Carbon with Spectroelectrochemistry
Abstract: Intrinsic structural and oxidic defects activate graphitic carbon electrodes towards electrochemical reactions underpinning energy conversion and storage technologies. Yet, these defects can also disrupt the long‐range and periodic arrangement of carbon atoms, thus, the characterization of graphitic carbon electrodes necessitates in‐situ atomistic differentiation of graphitic regions from mesoscopic bulk disorder. Here, we leverage the combined techniques of in‐situ attenuated total reflectance infrared spectroscopy and first‐principles calculations to reveal that graphitic carbon electrodes exhibit electric‐field dependent infrared activity that is sensitive to the bulk mesoscopic intrinsic disorder. With this platform, we identify graphitic regions from amorphous domains by discovering that they demonstrate opposing electric‐field‐dependent infrared activity under electrochemical conditions. Our work provides a roadmap for identifying mesoscopic disorder in bulk carbon materials under potential bias.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Unlocking Mesoscopic Disorder in Graphitic Carbon with Spectroelectrochemistry ; day:16 ; month:01 ; year:2025 ; extent:9
Angewandte Chemie / International edition. International edition ; (16.01.2025) (gesamt 9)
- Urheber
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Papadopoulos, Ry
Masters, Benjamin
Kundu, Arpan
Maldonado, Nicholas
Filatov, Alexander S.
Liu, Yuzi
Kim, Taemin
Galli, Giulia
Wuttig, Anna
- DOI
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10.1002/anie.202420680
- URN
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urn:nbn:de:101:1-2501171308130.043240167962
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 15.08.2025, 07:37 MESZ
Datenpartner
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Beteiligte
- Papadopoulos, Ry
- Masters, Benjamin
- Kundu, Arpan
- Maldonado, Nicholas
- Filatov, Alexander S.
- Liu, Yuzi
- Kim, Taemin
- Galli, Giulia
- Wuttig, Anna