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Transition Metal Carbo-Chalcogenide "TMCC": A New Family of 2D Materials
Tulane Univ, LA, USA.
Tulane Univ, LA, USA.
Tulane Univ, LA, USA.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering.
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2022 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 34, no 26, article id 2200574Article in journal (Refereed) Published
Abstract [en]

A new family of 2D transition metal carbo-chalcogenides (TMCCs) is reported, which can be considered a combination of two well-known families, TM carbides (MXenes) and TM dichalcogenides (TMDCs), at the atomic level. Single sheets are successfully obtained from multilayered Nb2S2C and Ta2S2C using electrochemical lithiation followed by sonication in water. The parent multilayered TMCCs are synthesized using a simple, scalable solid-state synthesis followed by a topochemical reaction. A superconductivity transition is observed at 7.55 K for Nb2S2C. The delaminated Nb2S2C outperforms both multilayered Nb2S2C and delaminated NbS2 as an electrode material for Li-ion batteries. Ab initio calculations predict the elastic constant of TMCC to be over 50% higher than that of TMDC.
Place, publisher, year, edition, pages
Weinheim, Germany: Wiley-VCH Verlagsgesellschaft, 2022. Vol. 34, no 26, article id 2200574
Keywords [en]
2D materials; delamination; superconductors; transition metal carbo-chalcogenides
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-185435DOI: 10.1002/adma.202200574ISI: 000797779800001PubMedID: 35419882Scopus ID: 2-s2.0-85130283684OAI: oai:DiVA.org:liu-185435DiVA, id: diva2:1664160
Note

Funding Agencies: National Science Foundation [DMR-1752997, DMR-2048164]; Knut and Alice Wallenberg (KAW) Foundation [KAW 2015.0043]; Linköping Electron Microscopy Laboratory; Swedish Foundation for Strategic Research (SSF) [RIF 14-0074, EM16-0004]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linköping University (Faculty Grant SFO-Mat-LiU) [2009 00971]; U.S. Department of Energy, Office of Science, Basic Energy Science [DE-SC0014208]

Available from: 2022-06-03 Created: 2022-06-03 Last updated: 2023-03-16Bibliographically approved

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Tseng, Han-HuiPersson, Per

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