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Photonically active bowtie nanoassemblies with chirality continuum

Author

Listed:
  • Prashant Kumar

    (University of Michigan
    University of Michigan)

  • Thi Vo

    (University of Michigan
    University of Michigan)

  • Minjeong Cha

    (University of Michigan
    University of Michigan)

  • Anastasia Visheratina

    (University of Michigan
    University of Michigan)

  • Ji-Young Kim

    (University of Michigan
    University of Michigan)

  • Wenqian Xu

    (Argonne National Laboratory)

  • Jonathan Schwartz

    (University of Michigan)

  • Alexander Simon

    (University of Michigan)

  • Daniel Katz

    (University of Michigan)

  • Valentin Paul Nicu

    (Pro-Vitam Ltd)

  • Emanuele Marino

    (University of Pennsylvania
    University of Palermo)

  • Won Jin Choi

    (University of Michigan
    University of Michigan)

  • Michael Veksler

    (University of Michigan)

  • Si Chen

    (Argonne National Laboratory)

  • Christopher Murray

    (University of Pennsylvania)

  • Robert Hovden

    (University of Michigan)

  • Sharon Glotzer

    (University of Michigan
    University of Michigan
    University of Michigan)

  • Nicholas A. Kotov

    (University of Michigan
    University of Michigan
    University of Michigan)

Abstract

Chirality is a geometrical property described by continuous mathematical functions1–5. However, in chemical disciplines, chirality is often treated as a binary left or right characteristic of molecules rather than a continuity of chiral shapes. Although they are theoretically possible, a family of stable chemical structures with similar shapes and progressively tuneable chirality is yet unknown. Here we show that nanostructured microparticles with an anisotropic bowtie shape display chirality continuum and can be made with widely tuneable twist angle, pitch, width, thickness and length. The self-limited assembly of the bowties enables high synthetic reproducibility, size monodispersity and computational predictability of their geometries for different assembly conditions6. The bowtie nanoassemblies show several strong circular dichroism peaks originating from absorptive and scattering phenomena. Unlike classical chiral molecules, these particles show a continuum of chirality measures2 that correlate exponentially with the spectral positions of the circular dichroism peaks. Bowtie particles with variable polarization rotation were used to print photonically active metasurfaces with spectrally tuneable positive or negative polarization signatures for light detection and ranging (LIDAR) devices.

Suggested Citation

  • Prashant Kumar & Thi Vo & Minjeong Cha & Anastasia Visheratina & Ji-Young Kim & Wenqian Xu & Jonathan Schwartz & Alexander Simon & Daniel Katz & Valentin Paul Nicu & Emanuele Marino & Won Jin Choi & M, 2023. "Photonically active bowtie nanoassemblies with chirality continuum," Nature, Nature, vol. 615(7952), pages 418-424, March.
  • Handle: RePEc:nat:nature:v:615:y:2023:i:7952:d:10.1038_s41586-023-05733-1
    DOI: 10.1038/s41586-023-05733-1
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    Cited by:

    1. Si Li & Xinxin Xu & Liguang Xu & Hengwei Lin & Hua Kuang & Chuanlai Xu, 2024. "Emerging trends in chiral inorganic nanomaterials for enantioselective catalysis," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Shengfu Wu & Xin Song & Cong Du & Minghua Liu, 2024. "Macroscopic homochiral helicoids self-assembled via screw dislocations," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Bing Ni & Dustin Vivod & Jonathan Avaro & Haoyuan Qi & Dirk Zahn & Xun Wang & Helmut Cölfen, 2024. "Reversible chirality inversion of an AuAgx-cysteine coordination polymer by pH change," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Geon Yeong Kim & Shinho Kim & Ki Hyun Park & Hanhwi Jang & Moohyun Kim & Tae Won Nam & Kyeong Min Song & Hongjoo Shin & Yemin Park & Yeongin Cho & Jihyeon Yeom & Min-Jae Choi & Min Seok Jang & Yeon Si, 2024. "Chiral 3D structures through multi-dimensional transfer printing of multilayer quantum dot patterns," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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