Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 4, Pages 1565-1571Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja511471b
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Funding
- MOE under AcRF [ARC 26/13, MOE2013-T2-1-034, RG 61/12, RGT18/13, RG5/13]
- Singapore Millennium Foundation [M4080865.070.706022]
- National Research Foundation in Singapore
- National Research Foundation, Prime Minister's Office, Singapore
- National Natural Science Funds for Excellent Young Scholar of China [21322402]
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Despite many developed methods, it still remains a challenge to provide a simple and general strategy for the controlled preparation of chiral nanostructures. Here we report a facile and universal approach for the high-yield and scalable preparation of chiral nanofibers based on the self-assembly of various ultrathin one-dimensional and two-dimensional nanomaterials in vigorously stirred polymeric solutions. The obtained chiral nanofibers can be further transformed to same-handed chiral nanorings. As a proof-of-concept application, chiral MoS2 and multiwalled carbon nanotube nanofibers were used as promising active layers for flexible nonvolatile data storage devices. Impressively, the chiral MoS2 nanofiber-based memory device presents a typical nonvolatile flash memory effect with excellent reproducibility and good stability. Our method offers a general route for the preparation of various functional chiral nanostructures that might have wide applications.
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