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Enantioselective sensing by collective circular dichroism

Author

Listed:
  • Ryeong Myeong Kim

    (Seoul National University)

  • Ji-Hyeok Huh

    (Korea University)

  • SeokJae Yoo

    (Inha University)

  • Tae Gyun Kim

    (Seoul National University
    Seoul National University)

  • Changwon Kim

    (Seoul National University
    Seoul National University)

  • Hyeohn Kim

    (Seoul National University)

  • Jeong Hyun Han

    (Seoul National University)

  • Nam Heon Cho

    (Seoul National University)

  • Yae-Chan Lim

    (Seoul National University)

  • Sang Won Im

    (Seoul National University)

  • EunJi Im

    (Korea University)

  • Jae Ryeol Jeong

    (Kyung Hee University)

  • Min Hyung Lee

    (Kyung Hee University)

  • Tae-Young Yoon

    (Seoul National University
    Seoul National University)

  • Ho-Young Lee

    (Seoul National University Bundang Hospital)

  • Q-Han Park

    (Korea University)

  • Seungwoo Lee

    (Korea University
    Korea University
    Korea University)

  • Ki Tae Nam

    (Seoul National University)

Abstract

Quantitative determination and in situ monitoring of molecular chirality at extremely low concentrations is still challenging with simple optics because of the molecular-scale mismatch with the incident light wavelength. Advances in spectroscopy1–4 and nanophotonics have successfully lowered the detection limit in enantioselective sensing, as it can bring the microscopic chiral characteristics of molecules into the macroscopic scale5–7 or squeeze the chiral light into the subwavelength scale8–17. Conventional nanophotonic approaches depend mainly on the optical helicity density8,9 by localized resonances within an individual structure, such as localized surface plasmon resonances (LSPRs)10–16 or dielectric Mie resonances17. These approaches use the local chiral hotspots in the immediate vicinity of the structure, whereas the handedness of these hotspots varies spatially. As such, these localized resonance modes tend to be error-prone to the stochasticity of the target molecular orientations, vibrations and local concentrations18,19. Here we identified enantioselective characteristics of collective resonances (CRs)20 arising from assembled 2D crystals of isotropic, 432-symmetric chiral gold nanoparticles (helicoids)21,22. The CRs exhibit a strong and uniform chiral near field over a large volume above the 2D crystal plane, resulting from the collectively spinning, optically induced dipoles at each helicoid. Thus, energy redistribution by molecular back action on the chiral near field shifts the CRs in opposite directions, depending on the handedness of the analyte, maximizing the modulation of the collective circular dichroism (CD).

Suggested Citation

  • Ryeong Myeong Kim & Ji-Hyeok Huh & SeokJae Yoo & Tae Gyun Kim & Changwon Kim & Hyeohn Kim & Jeong Hyun Han & Nam Heon Cho & Yae-Chan Lim & Sang Won Im & EunJi Im & Jae Ryeol Jeong & Min Hyung Lee & Ta, 2022. "Enantioselective sensing by collective circular dichroism," Nature, Nature, vol. 612(7940), pages 470-476, December.
  • Handle: RePEc:nat:nature:v:612:y:2022:i:7940:d:10.1038_s41586-022-05353-1
    DOI: 10.1038/s41586-022-05353-1
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    Cited by:

    1. 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.
    2. Jiapeng Zheng & Christina Boukouvala & George R. Lewis & Yicong Ma & Yang Chen & Emilie Ringe & Lei Shao & Zhifeng Huang & Jianfang Wang, 2023. "Halide-assisted differential growth of chiral nanoparticles with threefold rotational symmetry," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Jiawei Lv & Jeong Hyun Han & Geonho Han & Seongmin An & Seung Ju Kim & Ryeong Myeong Kim & Jung‐El Ryu & Rena Oh & Hyuckjin Choi & In Han Ha & Yoon Ho Lee & Minje Kim & Gyeong-Su Park & Ho Won Jang & , 2024. "Spatiotemporally modulated full-polarized light emission for multiplexed optical encryption," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    4. Xiali Lv & Yu Tian & Fengxia Wu & Xiaoxi Luan & Fenghua Li & Zhili Shen & Guobao Xu & Kun Liu & Wenxin Niu, 2024. "Chiral plasmonic-dielectric coupling enables strong near-infrared chiroptical responses from helicoidal core-shell nanoparticles," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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