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Journal articles on the topic 'Chiroptical Response'

Author: Grafiati

Published: 6 September 2023

Last updated: 25 July 2025

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1

Ozcelik, Ani, Raquel Pereira-Cameselle, and José Lorenzo Alonso-Gómez. "From Allenes to Spirobifluorenes: On the Way to Device-compatible Chiroptical Systems." Current Organic Chemistry 24, no. 23 (2020): 2737–54. http://dx.doi.org/10.2174/1385272824999201013164534.

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The last decade has seen a huge growth in the construction of chiral systems to expand the scope of chiroptical applications. Dependence of chiroptical response on molecular conformation typically leads to low chiroptical intensities of chiral systems that feature several conformations in solution. In this respect, allenes were employed for the preparation of open and cyclic oligomers as well as molecular cages, presenting remarkable chiroptical responses in solution. Their molecular chirality was also transferred to metal surfaces, yet photoisomerization of allenes limited their further explo

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2

Davis, Matthew S., Wenqi Zhu, Jay K. Lee, Henri J. Lezec, and Amit Agrawal. "Microscopic origin of the chiroptical response of optical media." Science Advances 5, no. 10 (2019): eaav8262. http://dx.doi.org/10.1126/sciadv.aav8262.

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The potential for enhancing the optical activity of natural chiral media using engineered nanophotonic components has been central in the quest toward developing next-generation circular-dichroism spectroscopic techniques. Through confinement and manipulation of optical fields at the nanoscale, ultrathin optical elements have enabled a path toward achieving order-of-magnitude enhancements in the chiroptical response. Here, we develop a model framework to describe the underlying physics governing the origin of the chiroptical response in optical media. The model identifies optical activity to o

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3

Asefa, Semere A., Myeongsu Seong, and Dasol Lee. "Design of Bilayer Crescent Chiral Metasurfaces for Enhanced Chiroptical Response." Sensors 25, no. 3 (2025): 915. https://doi.org/10.3390/s25030915.

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Chiral metasurfaces exploit structural asymmetry to control circular polarized light, presenting new possibilities for the design of optical devices, specifically in the dynamic control of light and enhanced optical sensing fields. This study employed theoretical and computational methods to examine the chiroptical properties of a bilayer crescent chiral metasurface, demonstrating the effect of the angle of rotation on the chiroptical response. We particularly investigated the changes in transmittance, electric field distribution, and circular dichroism (CD) across various rotation angles. The

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4

Kim, Joohoon, Ahsan Sarwar Rana, Yeseul Kim, et al. "Chiroptical Metasurfaces: Principles, Classification, and Applications." Sensors 21, no. 13 (2021): 4381. http://dx.doi.org/10.3390/s21134381.

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Chiral materials, which show different optical behaviors when illuminated by left or right circularly polarized light due to broken mirror symmetry, have greatly impacted the field of optical sensing over the past decade. To improve the sensitivity of chiral sensing platforms, enhancing the chiroptical response is necessary. Metasurfaces, which are two-dimensional metamaterials consisting of periodic subwavelength artificial structures, have recently attracted significant attention because of their ability to enhance the chiroptical response by manipulating amplitude, phase, and polarization o

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5

Fronk, Stephanie L., Ming Wang, Michael Ford, Jessica Coughlin, Cheng-Kang Mai, and Guillermo C. Bazan. "Effect of chiral 2-ethylhexyl side chains on chiroptical properties of the narrow bandgap conjugated polymers PCPDTBT and PCDTPT." Chemical Science 7, no. 8 (2016): 5313–21. http://dx.doi.org/10.1039/c6sc00908e.

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PCPDTBT* and PCDTPT* containing chiral 2-ethylhexyl side chains were synthesized and their resulting chiroptical properties were studied. PCPDTBT* exhibits a stronger chiroptical response compared to PCDTPT*.

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6

Woźniak, Paweł, Israel De Leon, Katja Höflich, et al. "Chiroptical response of a single plasmonic nanohelix." Optics Express 26, no. 15 (2018): 19275. http://dx.doi.org/10.1364/oe.26.019275.

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7

Ji, Hai-Feng. "A general method to predict optical rotations of chiral molecules from their structures." RSC Advances 13, no. 7 (2023): 4775–80. http://dx.doi.org/10.1039/d2ra08290j.

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8

Opačak, Saša, Darko Babić, Berislav Perić, et al. "A ferrocene-based pseudopeptide chiroptical switch." Dalton Transactions 50, no. 13 (2021): 4504–11. http://dx.doi.org/10.1039/d1dt00508a.

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9

He, Yizhuo, Keelan Lawrence, Whitney Ingram, and Yiping Zhao. "Strong Local Chiroptical Response in Racemic Patchy Silver Films: Enabling a Large-Area Chiroptical Device." ACS Photonics 2, no. 9 (2015): 1246–52. http://dx.doi.org/10.1021/acsphotonics.5b00196.

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10

Ie, Machiko, Jun-ichiro Setsune, Kazuo Eda, and Akihiko Tsuda. "Chiroptical sensing of oligonucleotides with a cyclic octapyrrole." Organic Chemistry Frontiers 2, no. 1 (2015): 29–33. http://dx.doi.org/10.1039/c4qo00268g.

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11

Malola, Sami, and Hannu Häkkinen. "Chiral footprint of the ligand layer in the all-alkynyl-protected gold nanocluster Au144(CCPhF)60." Chemical Communications 55, no. 64 (2019): 9460–62. http://dx.doi.org/10.1039/c9cc04914b.

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12

Chang, Hao, Haoliang Liu, Evgenia Dmitrieva, et al. "Furan-containing double tetraoxa[7]helicene and its radical cation." Chemical Communications 56, no. 96 (2020): 15181–84. http://dx.doi.org/10.1039/d0cc06970a.

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13

Hassey, R., E. J. Swain, N. I. Hammer, D. Venkataraman, and M. D. Barnes. "Probing the Chiroptical Response of a Single Molecule." Science 314, no. 5804 (2006): 1437–39. http://dx.doi.org/10.1126/science.1134231.

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14

Tian, Xiaorui, Shuli Sun, Eunice Sok Ping Leong, et al. "Fano-like chiroptical response in plasmonic heterodimer nanostructures." Physical Chemistry Chemical Physics 22, no. 6 (2020): 3604–10. http://dx.doi.org/10.1039/c9cp05600a.

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15

Davis, Matthew S., Wenqi Zhu, Jared Strait, et al. "Chiroptical Response of Aluminum Nanocrescents at Ultraviolet Wavelengths." Nano Letters 20, no. 5 (2020): 3656–62. http://dx.doi.org/10.1021/acs.nanolett.0c00586.

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16

Pedersen, Thomas Bondo, Henrik Koch, and Kenneth Ruud. "Coupled cluster response calculation of natural chiroptical spectra." Journal of Chemical Physics 110, no. 6 (1999): 2883–92. http://dx.doi.org/10.1063/1.477931.

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17

Hao, Changlong, Liguang Xu, Wei Ma, Libing Wang, Hua Kuang, and Chuanlai Xu. "Assembled Plasmonic Asymmetric Heterodimers with Tailorable Chiroptical Response." Small 10, no. 9 (2014): 1805–12. http://dx.doi.org/10.1002/smll.201303755.

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18

Padula, Daniele, Giuseppe Mazzeo, Ernesto Santoro, Patrizia Scafato, Sandra Belviso, and Stefano Superchi. "Amplification of the chiroptical response of UV-transparent amines and alcohols by N-phthalimide derivatization enabling absolute configuration determination through ECD computational analysis." Organic & Biomolecular Chemistry 18, no. 11 (2020): 2094–102. http://dx.doi.org/10.1039/d0ob00052c.

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19

Heister, Philipp, Tobias Lünskens, Martin Thämer, et al. "Orientational changes of supported chiral 2,2′-dihydroxy-1,1′binaphthyl molecules." Phys. Chem. Chem. Phys. 16, no. 16 (2014): 7299–306. http://dx.doi.org/10.1039/c4cp00106k.

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20

Hu, Yaolin, Suxia Xie, Chongjun Bai, Weiwei Shen, and Jingcheng Yang. "Quasi-Bound States in the Continuum Enabled Strong Terahertz Chiroptical Response in Bilayer Metallic Metasurfaces." Crystals 12, no. 8 (2022): 1052. http://dx.doi.org/10.3390/cryst12081052.

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Bound state in the continuum (BIC) as a novel non-radiating state of light in the continuum of propagating modes has received great attention in photonics. Recently, chiral BICs have been introduced in the terahertz regime. However, strong chiroptical effects of transmitted waves remain challenging to achieve in metallic terahertz metasurfaces, especially for intrinsic chirality at normal incidences. Here, we propose a chiral quasi-BIC by simultaneously breaking the out-of-plane mirror and in-plane C2 rotation symmetries in a bilayer metallic metasurface, in which spin-selective terahertz tran

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21

Vázquez-Nakagawa, M., L. Rodríguez-Pérez, M. A. Herranz, and N. Martín. "Chirality transfer from graphene quantum dots." Chemical Communications 52, no. 4 (2016): 665–68. http://dx.doi.org/10.1039/c5cc08890a.

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22

Gryb, Dmytro, Fedja J. Wendisch, Andreas Aigner, et al. "Two-Dimensional Chiral Metasurfaces Obtained by Geometrically Simple Meta-atom Rotations." Nano Letters 23, no. 19 (2023): 8891–97. https://doi.org/10.1021/acs.nanolett.3c02168.

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Two-dimensional chiral metasurfaces seem to contradict Lord Kelvin's geometric definition of chirality since they can be made to coincide by performing rotational operations. Nevertheless, most planar chiral metasurface designs often use complex meta-atom shapes to create flat versions of three-dimensional helices, although the visual appearance does not improve their chiroptical response but complicates their optimization and fabrication due to the resulting large parameter space. Here we present one of the geometrically simplest two-dimensional chiral metasurface platforms consisting of achi

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23

Cao, Zhaolong, Jianfa Chen, Shaozhi Deng, and Huanjun Chen. "A physical interpretation of coupling chiral metaatoms." Nanoscale 14, no. 10 (2022): 3849–57. http://dx.doi.org/10.1039/d1nr05065f.

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The microscopic origins of chiroptical response in metasurfaces are studied based on temporal coupled-mode theory and quasinormal modes. Using a biorthogonal approach, the model identifies a critical coupling condition for unity circular dichroism.

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24

Yan, Jiao, Yuandong Chen, Shuai Hou, et al. "Fabricating chiroptical starfruit-like Au nanoparticles via interface modulation of chiral thiols." Nanoscale 9, no. 31 (2017): 11093–102. http://dx.doi.org/10.1039/c7nr03712k.

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With the help of chiral cysteine, starfruit-like gold nanoparticles are obtainedviaAu overgrowth on gold nanorods and show strong plasmonic circular dichroism response. Chiral thiol-initiated interface regulation is effective in fabricating discrete chiroptical nanostructures.

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25

Ortuño, Ana M., Pablo Reiné, Sandra Resa, et al. "Extended enantiopure ortho-phenylene ethylene (o-OPE)-based helical systems as scaffolds for supramolecular architectures: a study of chiroptical response and its connection to the CISS effect." Organic Chemistry Frontiers 8, no. 18 (2021): 5071–86. http://dx.doi.org/10.1039/d1qo00822f.

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Versatile enantiopure helical systems are described and are of interest owing to their intense chiroptical responses, their attractive architecture for metallosupramolecular chemistry and CISS effect.

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26

Zhai, Dawei, Peng Wang, Rong-Yao Wang, et al. "Plasmonic polymers with strong chiroptical response for sensing molecular chirality." Nanoscale 7, no. 24 (2015): 10690–98. http://dx.doi.org/10.1039/c5nr01966d.

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27

McAlexander, Harley R., Taylor J. Mach, and T. Daniel Crawford. "Localized optimized orbitals, coupled cluster theory, and chiroptical response properties." Physical Chemistry Chemical Physics 14, no. 21 (2012): 7830. http://dx.doi.org/10.1039/c2cp23797k.

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28

Yao, Hiroshi. "Chiral Ligand-Protected Bimetallic Nanoclusters: How does the Metal Core Configuration Influence the Nanocluster’s Chiroptical Responses?" MRS Proceedings 1802 (2015): 1–12. http://dx.doi.org/10.1557/opl.2015.385.

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ABSTRACTWe here present electronic structures and chiroptical responses of gold-based bimetallic nanoclusters protected by chiral thiolate ligand, glutathione (GSH), and compare them with those of monometallic counterparts. The nanoclusters examined are AuPd and AuAg bimetallic systems. The effect of Pd or Ag doping on the chiroptical responses of optically active Au nanoclusters as well as the importance of the bimetallic core configurations are discussed. Briefly, we find that GS-protected AuPd or AuAg nanoclusters exhibit quite different Cotton effects from those of the monometallic nanoclu

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29

Peluso, Andrea, and Guglielmo Monaco. "Current Density and Spectroscopy—A Themed Issue in Honor of Professor Riccardo Zanasi on the Occasion of His 70th Birthday." Chemistry 4, no. 1 (2022): 118–20. http://dx.doi.org/10.3390/chemistry4010010.

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It is our great pleasure to introduce the Festschrift of Chemistry to honor Professor Riccardo Zanasi (Figure 1) on the occasion of his 70th birthday and to recognize his important contributions to quantum chemistry, particularly in the field of magnetic response and chiroptical spectroscopies [...]

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30

Li, Feng, Skandan Chandrasekar, Aftab Ahmed, and Anna Klinkova. "Interparticle gap geometry effects on chiroptical properties of plasmonic nanoparticle assemblies." Nanotechnology 33, no. 12 (2021): 125203. http://dx.doi.org/10.1088/1361-6528/ac3f12.

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Abstract Chiral linear assemblies of plasmonic nanoparticles with chiral optical activity often show low asymmetry factors. Systematic understanding of the structure-property relationship in these systems must be improved to facilitate rational design of their chiroptical response. Here we study the effect of large area interparticle gaps in chiral linear nanoparticle assemblies on their chiroptical properties using a tetrahelix structure formed by a linear face-to-face assembly of nanoscale Au tetrahedra. Using finite-difference time-domain and finite element methods, we performed in-depth ev

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31

Xia, Bin, Qian Gao, Zhen-Peng Hu, et al. "Concomitant Photoresponsive Chiroptics and Magnetism in Metal-Organic Frameworks at Room Temperature." Research 2021 (February 10, 2021): 1–12. http://dx.doi.org/10.34133/2021/5490482.

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Stimulus-responsive metal-organic frameworks (MOFs) can be used for designing smart materials. Herein, we report a family of rationally designed MOFs which exhibit photoresponsive chiroptical and magnetic properties at room temperature. In this design, two specific nonphotochromic ligands are selected to construct enantiomeric MOFs, {Cu2(L-mal)2(bpy)2(H2O)·3H2O}n (1) and {Cu2(D-mal)2(bpy)2(H2O)·3H2O}n (2) (mal=malate, bpy=4,4’−bipyridine), which can alter their color, magnetism, and chiroptics concurrently in response to light. Upon UV or visible light irradiation, long-lived bpy− radicals are

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32

Parrish, Katherine A., Andrew Salij, Kendall R. Kamp, et al. "Differential absorption of circularly polarized light by a centrosymmetric crystal." Science 388, no. 6752 (2025): 1194–97. https://doi.org/10.1126/science.adr5478.

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Crystalline solids are governed by universal structure-property relationships derived from their crystal symmetry, leading to paradigmatic rules on what properties they can and cannot exhibit. A long-held structure-property relationship is that centrosymmetric crystals cannot differentially absorb circularly polarized light. In this study, we demonstrate the design, synthesis, and characterization of the centrosymmetric material Li 2 Co 3 (SeO 3 ) 4 , which violates this relationship not by defying symmetry-imposed selection rules but by invoking a photophysical process not previously characte

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33

Zu, Shuai, Quan Sun, En Cao, Tomoya Oshikiri, and Hiroaki Misawa. "Revealing the Chiroptical Response of Plasmonic Nanostructures at the Nanofemto Scale." Nano Letters 21, no. 11 (2021): 4780–86. http://dx.doi.org/10.1021/acs.nanolett.1c01322.

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34

Slyngborg, Morten, Yao-Chung Tsao, and Peter Fojan. "Large-scale fabrication of achiral plasmonic metamaterials with giant chiroptical response." Beilstein Journal of Nanotechnology 7 (June 24, 2016): 914–25. http://dx.doi.org/10.3762/bjnano.7.83.

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A variety of extrinsic chiral metamaterials were fabricated by a combination of self-ordering anodic oxidation of aluminum foil, nanoimprint lithography and glancing angle deposition. All of these techniques are scalable and pose a significant improvement to standard metamaterial fabrication techniques. Different interpore distances and glancing angle depositions enable the plasmonic resonance wavelength to be tunable in the range from UVA to IR. These extrinsic chiral metamaterials only exhibit significant chiroptical response at non-normal angles of incidence. This intrinsic property enables

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35

Kicková, Anna, Jana Donovalová, Peter Kasák, and Martin Putala. "A chiroptical binaphthopyran switch: amplified CD response in a polystyrene film." New Journal of Chemistry 34, no. 6 (2010): 1109. http://dx.doi.org/10.1039/c0nj00102c.

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36

Zhou, Shaoen, Pengtao Lai, Guohua Dong, et al. "Tunable chiroptical response of graphene achiral metamaterials in mid-infrared regime." Optics Express 27, no. 11 (2015): 15359. http://dx.doi.org/10.1364/oe.27.015359.

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37

Maoz, Ben M., Rob van der Weegen, Zhiyuan Fan, et al. "Plasmonic Chiroptical Response of Silver Nanoparticles Interacting with Chiral Supramolecular Assemblies." Journal of the American Chemical Society 134, no. 42 (2012): 17807–13. http://dx.doi.org/10.1021/ja309016k.

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38

Wang, Xuesi, Yongcun Zou, Jingran Zhu, and Yu Wang. "Silver Cholesteric Liquid Crystalline: Shape-Dependent Assembly and Plasmonic Chiroptical Response." Journal of Physical Chemistry C 117, no. 27 (2013): 14197–205. http://dx.doi.org/10.1021/jp403640g.

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39

Ousaka, Naoki, Jack K. Clegg, and Jonathan R. Nitschke. "Nonlinear Enhancement of Chiroptical Response through Subcomponent Substitution in M4L6 Cages." Angewandte Chemie International Edition 51, no. 6 (2011): 1464–68. http://dx.doi.org/10.1002/anie.201107532.

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40

Ousaka, Naoki, Jack K. Clegg, and Jonathan R. Nitschke. "Nonlinear Enhancement of Chiroptical Response through Subcomponent Substitution in M4L6 Cages." Angewandte Chemie 124, no. 6 (2011): 1493–97. http://dx.doi.org/10.1002/ange.201107532.

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41

Kato, Kenichi, and Atsuhiro Osuka. "Propeller‐Shaped Semi‐fused Porphyrin Trimers: Molecular‐Symmetry‐Dependent Chiroptical Response." Chemistry – A European Journal 26, no. 45 (2020): 10217–21. http://dx.doi.org/10.1002/chem.202002157.

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42

Wang, Shengyi, Hanzhuo Kuang, Wenjie Li, et al. "Enhanced Tunability of Dual-Band Chiral Metasurface in the Mid-Infrared Range via Slotted Nanocircuit Design." Nanomaterials 14, no. 11 (2024): 979. http://dx.doi.org/10.3390/nano14110979.

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Multi-band circular dichroism (CD) response and tunability on the chiral metasurface are crucial for this device’s applications in sensing and detection. This work proposes a dual-band CD Au-CaF2-Au dimer elliptical metasurface absorber, where chiroptical sensing is realized by breaking the geometric symmetry between two ellipses. The proposed metasurface can achieve high CD values of 0.8 and −0.74 for the dual-band within the 3–5 μm region, and the CD values can be manipulated by independently adjusting the geometric parameters of the metasurface. Furthermore, a slotted nanocircuit is introdu

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43

Zhang, Lu, Jie Wang, Lei Xu, Feng Gao, Wending Zhang, and Ting Mei. "Stressmechanically Reconfigurable Chiroptical Meta‐devices in Visible Band." Advanced Optical Materials, December 3, 2023. http://dx.doi.org/10.1002/adom.202302474.

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AbstractThe development of low‐cost and convenient procedure to produce large‐area reconfigurable chiroptical meta‐devices (CMDs) enantiomers with dynamically tunable chiroptical response in the visible band has generated significant interest, owing to its tremendous potential for applications such as optical rotary filtering, color switching, information storage, etc. Currently, many methods, such as phase change material, air pressure, bias, etc., are proposed to reconfigure the chiroptical response of the CMDs enantiomers, but still lack of ability to actively regulate the chiroptical respo

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44

Wang, Zhiyu, Cheng‐Chieh Lin, Kei Murata, et al. "Chiroptical Response Inversion And Enhancement of Room‐Temperature Exciton‐Polaritons Using Two‐Dimensional Chirality in Perovskites." Advanced Materials, August 17, 2023. http://dx.doi.org/10.1002/adma.202303203.

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AbstractAlthough chiral semiconductors have shown promising progress in direct circularly polarized light (CPL) detection and emission, they still face potential challenges. A chirality‐switching mechanism or approach integrating two enantiomers is needed to discriminate the handedness of a given CPL; additionally, a large material volume is required for sufficient chiroptical interaction. These two requirements pose significant obstacles to the simplification and miniaturization of the devices. Here, w e demonstrate room‐temperature chiral polaritons fulfilling dual‐handedness functions and e

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45

Wang, Yan, zeyu wu, Wenming Yu, and Zheng-qi Liu. "Recent progresses and applications on chiroptical metamaterials : a review." Journal of Physics D: Applied Physics, August 14, 2024. http://dx.doi.org/10.1088/1361-6463/ad6f20.

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Abstract Chiroptical metamaterials have attracted considerable attention owing to their exciting opportunities for fundamental research and practical applications over the past 20 years. Through practical designs, the chiroptical response of chiral metamaterials can be several orders of magnitude higher than that of natural chiral materials. Chiroptical metamaterials therefore represent a special type of artificial structures for unique chiroptical activities. In this review, we present a comprehensive overview of the progresses in the development of chiroptical metamaterials. Chiroptical meta

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46

Jung, Jung Young, Min Jeong Shin, Baekman Kim, et al. "Cholesteric Liquid Crystal‐Mediated Chiral Plasmonic Films with Strong Chiroptical Response, Dynamic Tunability, and Reversible Thermal Reconfigurability." Advanced Optical Materials, June 26, 2024. http://dx.doi.org/10.1002/adom.202400760.

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AbstractChiral assemblies of plasmonic nanocrystals (NCs) are of immense interest due to their distinctive physicochemical characteristics and promising potential in future optoelectronic applications. Despite recent advances in the construction of chiral NC assemblies, most approaches have led to the formation of static irreversible structures with modest optical responses and limited configurational tunability. Herein, a way to prepare a thermally reconfigurable helical assembly of Au nanorods (AuNRs) with a strong chiroptical response is introduced by employing cholesteric liquid crystals (

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47

Sachs, Johannes, Jan-Philipp Günther, Andrew G. Mark, and Peer Fischer. "Chiroptical spectroscopy of a freely diffusing single nanoparticle." Nature Communications 11, no. 1 (2020). http://dx.doi.org/10.1038/s41467-020-18166-5.

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Abstract Chiral plasmonic nanoparticles can exhibit strong chiroptical signals compared to the corresponding molecular response. Observations are, however, generally restricted to measurements on stationary single particles with a fixed orientation, which complicates the spectral analysis. Here, we report the spectroscopic observation of a freely diffusing single chiral nanoparticle in solution. By acquiring time-resolved circular differential scattering signals we show that the spectral interpretation is significantly simplified. We experimentally demonstrate the equivalence between time-aver

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48

Hashikawa, Yoshifumi, Koki Fujimura, Yoshihiro Ueda, Norihisa Fukaya, Takeo Kawabata, and Yasujiro Murata. "Chiroptical Response of Carbon Nanocages Enhanced by Achiral Guests." Angewandte Chemie, November 27, 2024. http://dx.doi.org/10.1002/ange.202421859.

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Opening up [60]fullerene makes itself inherently chiral without loss of congenital π‐conjugation. An immoderately large aperture on [60]fullerene, however, renders the molecule less rigid and therefore it would reduce dissymmetry factors. Herein, we examined supramolecular technique in geometrical reinforcement of chiral open‐[60]fullerenes by encasing achiral guests such as Ar,‐CO2, and CH3CN. At a lowest‐energy transition, we confirmed a guest‐dependency on chiroptical responses with increasing a dissymmetry factor by nearly twice to three times. It should be noted that the guests play a neg

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49

Hashikawa, Yoshifumi, Koki Fujimura, Yoshihiro Ueda, Norihisa Fukaya, Takeo Kawabata, and Yasujiro Murata. "Chiroptical Response of Carbon Nanocages Enhanced by Achiral Guests." Angewandte Chemie International Edition, November 27, 2024. http://dx.doi.org/10.1002/anie.202421859.

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Opening up [60]fullerene makes itself inherently chiral without loss of congenital π‐conjugation. An immoderately large aperture on [60]fullerene, however, renders the molecule less rigid and therefore it would reduce dissymmetry factors. Herein, we examined supramolecular technique in geometrical reinforcement of chiral open‐[60]fullerenes by encasing achiral guests such as Ar,‐CO2, and CH3CN. At a lowest‐energy transition, we confirmed a guest‐dependency on chiroptical responses with increasing a dissymmetry factor by nearly twice to three times. It should be noted that the guests play a neg

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50

Oshikiri, Tomoya, Yasutaka Matsuo, Hiromasa Niinomi, and Masaru Nakagawa. "Chiroptical response of an array of isotropic plasmonic particles having a chiral arrangement under coherent interaction." Photochemical & Photobiological Sciences, December 10, 2024. https://doi.org/10.1007/s43630-024-00667-7.

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Abstract The chirality and chiroptical response of materials have attracted significant attention for their potential to introduce the new science of light-matter interactions. We demonstrate that collective mode formation under modal coupling between localized surface plasmon resonances (LSPRs) with a chiral arrangement and Fabry–Pérot (FP) nanocavity modes can induce chiroptical responses. We fabricated a cluster of isotropic gold nanodisks with a chiral arrangement (gold nano-windmills, Au-NWs) on the FP nanocavities of TiO2 and Au film. The differential absorption of the Au-NWs coupled wit

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