Chemical exfoliation of 1-dimensional antiferromagnetic nanoribbons from a non-van der Waals material

Mulan Yang, Guangming Cheng, Nitish Mathur, Ratnadwip Singha, Fang Yuan, Nan Yao, Leslie M. Schoop

Research output: Contribution to journalArticlepeer-review

Abstract

As the demand for increasingly varied types of 1-dimensional (1D) materials grows, there is a greater need for new methods to synthesize these types of materials in a simple and scalable way. Chemical exfoliation is commonly used to make 2-dimensional (2D) materials, often in a way that is both straightforward and suitable for making larger quantities, yet this method has thus far been underutilized for synthesizing 1D materials. In the few instances when chemical exfoliation has been used to make 1D materials, the starting compound has been a van der Waals material, thus excluding any structures without these weak bonds inherently present. We demonstrate here that ionically bonded crystals can also be chemically exfoliated to 1D structures by choosing KFeS2 as an example. Using chemical exfoliation, antiferromagnetic 1D nanoribbons can be yielded in a single step. The nanoribbons are crystalline and closely resemble the parent compound both in structure and in intrinsic antiferromagnetism. The facile chemical exfoliation of an ionically bonded crystal shown in this work opens up opportunities for the synthesis of both magnetic and non-magnetic 1D nanomaterials from a greater variety of starting structures.

Original languageEnglish (US)
Pages (from-to)479-486
Number of pages8
JournalNanoscale Horizons
Volume9
Issue number3
DOIs
StatePublished - Jan 18 2024

All Science Journal Classification (ASJC) codes

  • General Materials Science

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