The growing demand for improved electrochemical performance in energy storage systems has stimulated research into advanced two-dimensional (2D) materials for electrodes. In this work, we obtain a layered MXene compound by exfoliating a titanium aluminum carbide precursor using tetramethylammonium hydroxide (TMAOH) ions in a full room temperature process followed by manual shaking. The hexagonal crystal structure and composition of the layered materials are characterized using different techniques. X-Ray diffraction shows the formation of 2D nano-sheets before and after the TMAOH treatment via its characteristic (002) diffraction peak, bringing to light an increase in the interlayer spacing after treatment. Scanning electron microscopy images confirm the layered morphology, whose composition is determined by energy dispersive x-ray analysis for the bulk material and by x-ray photoelectron spectroscopy for the surface of the obtained compounds. This study demonstrates a promising route to enhance delamination of this MXene 2D material in a low-cost room-temperature approach.
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7 June 2023
Research Article|
June 05 2023
Room-temperature synthesis of 2D-Ti3C2Tx nano-sheets by organic base treatment
Special Collection:
Chemical Physics of Electrochemical Energy Materials
Sunaina Rafiq
;
Sunaina Rafiq
a)
(Conceptualization, Formal analysis, Investigation, Methodology, Software, Writing – original draft)
1
Dipartimento di Fisica, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
a)Authors to whom correspondence should be addressed: sunaina.rafiq@uniroma1.it and Riccardo.frisenda@uniroma1.it
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Alessandra Gentili
;
Alessandra Gentili
(Formal analysis, Methodology, Resources, Writing – review & editing)
2
Dipartimento di Chimica, Hydro-Eco Research Center, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
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Maria Assunta Navarra
;
Maria Assunta Navarra
(Formal analysis, Investigation, Resources, Writing – review & editing)
2
Dipartimento di Chimica, Hydro-Eco Research Center, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
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Corrado Zamparelli;
Corrado Zamparelli
(Formal analysis, Software)
2
Dipartimento di Chimica, Hydro-Eco Research Center, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
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Maria Grazia Betti
;
Maria Grazia Betti
(Resources, Supervision, Writing – review & editing)
1
Dipartimento di Fisica, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
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Riccardo Frisenda
;
Riccardo Frisenda
a)
(Formal analysis, Software, Supervision, Writing – review & editing)
1
Dipartimento di Fisica, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
a)Authors to whom correspondence should be addressed: sunaina.rafiq@uniroma1.it and Riccardo.frisenda@uniroma1.it
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Carlo Mariani
Carlo Mariani
(Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing)
1
Dipartimento di Fisica, Sapienza Università di Roma
, P. le Aldo Moro 2, 00185 Rome, Italy
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a)Authors to whom correspondence should be addressed: sunaina.rafiq@uniroma1.it and Riccardo.frisenda@uniroma1.it
Note: This paper is part of the JCP Special Topic on Chemical Physics of Electrochemical Energy Materials.
J. Chem. Phys. 158, 214706 (2023)
Article history
Received:
February 24 2023
Accepted:
May 12 2023
Citation
Sunaina Rafiq, Alessandra Gentili, Maria Assunta Navarra, Corrado Zamparelli, Maria Grazia Betti, Riccardo Frisenda, Carlo Mariani; Room-temperature synthesis of 2D-Ti3C2Tx nano-sheets by organic base treatment. J. Chem. Phys. 7 June 2023; 158 (21): 214706. https://doi.org/10.1063/5.0146821
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