Tandem intercalation strategy for single-layer nanosheets as an effective alternative to conventional exfoliation processes

Sohee Jeong, Dongwon Yoo, Minji Ahn, Pere Miró, Thomas Heine and Jinwoo Cheon ()
Additional contact information
Sohee Jeong: Yonsei University
Dongwon Yoo: Yonsei University
Minji Ahn: Yonsei University
Pere Miró: Engineering and Science, Jacobs University Bremen
Thomas Heine: Engineering and Science, Jacobs University Bremen
Jinwoo Cheon: Yonsei University

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract Simple and effective generation of transition metal chalcogenides (TMCs) in a single-layer form has been a challenging task. Here we present a tandem molecular intercalation (TMI) as a new exfoliation concept for producing single-layer TMCs from multi-layer colloidal TMC nanostructures in solution phase. TMI requires tandem Lewis base intercalates, where short ‘initiator’ molecules first intercalate into TMCs to open up the interlayer gap, and the long ‘primary’ molecules then bring the gap to full width so that a random mixture of intercalates overcomes the interlayer force. Spontaneous exfoliation then yields single-layer TMCs. The TMI process is uniquely advantageous because it works in a simple one-step process under safe and mild conditions (that is, room temperature without sonication or H2 generation). With the appropriate intercalates, we have successfully generated single-layer nanostructures of group IV (TiS2, ZrS2), group V (NbS2) and VI (WSe2, MoS2) TMCs.

Date: 2015
References: Add references at CitEc
Citations:

Downloads: (external link)
https://www.nature.com/articles/ncomms6763 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms6763

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/ncomms6763

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().