KIT | KIT-Bibliothek | Impressum | Datenschutz

Tuning the Electronic and Electrochemical Properties of 3D Porous Laser‐Induced Graphene by Electrochemically Induced Deposition of Polyoxovanadate Nanoclusters for Flexible Supercapacitors

Arya, Nikhil; Dinda, Sirshendu; Diemant, Thomas 1; Wang, Ke; Fichtner, Maximilian 1; Anjass, Montaha
1 Institut für Nanotechnologie (INT), Karlsruher Institut für Technologie (KIT)

Abstract:

The advancement of microelectronic devices mandates the development
of flexible energy storage systems to enable the fabrication of miniaturized
and wearable electronics. Herein, a sustainable approach is demonstrated for
tuning the electronic and electrochemical properties of hierarchically porous
laser-induced graphene (LIG) substrates. The methodology entails the electro-
chemical deposition of polyoxovanadate nanoclusters (K5(CH3CN)3 [V12O32Cl] (= K5{V12}) onto the highly porous LIG matrix. The comprehensive characterization is integrated through micro-Raman spectroscopy and in-depth X-ray photoelectron spectroscopy to elucidate the deposition mechanism and electronic properties of the fabricated electrode. The results indicate a significant correlation between the orientation of the deposited clusters and the non-crystalline regions of the LIG structure. Additionally, the cluster deposition results in a reduction of grain boundary defects in the nano-graphite lattice of LIG. The optimized electrode exhibits enhanced areal capacitance (CA)
of 125 mF cm2 at a current density of 0.1 mA cm2, representing a fivefold improvement compared to the undoped LIG substrate. ... mehr

Zugehörige Institution(en) am KIT Institut für Nanotechnologie (INT)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 12.2024
Sprache Englisch
Identifikator ISSN: 1616-301X, 1057-9257, 1099-0712, 1616-3028
KITopen-ID: 1000174066
HGF-Programm 38.02.01 (POF IV, LK 01) Fundamentals and Materials
Erschienen in Advanced Functional Materials
Verlag Wiley-VCH Verlag
Band 34
Heft 52
Seiten Art.-Nr.: 2410943
Vorab online veröffentlicht am 21.08.2024
Nachgewiesen in Dimensions
Scopus
OpenAlex
Web of Science
Globale Ziele für nachhaltige Entwicklung Ziel 12 – Nachhaltiger Konsum und Produktion

Verlagsausgabe §
DOI: 10.5445/IR/1000174066
Veröffentlicht am 09.09.2024
Originalveröffentlichung
DOI: 10.1002/adfm.202410943
Scopus
Zitationen: 3
Web of Science
Zitationen: 4
Dimensions
Zitationen: 4
Seitenaufrufe: 40
seit 09.09.2024
Downloads: 15
seit 11.10.2024
Cover der Publikation
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
KITopen Landing Page