Iridescence in nematics : Photonic liquid crystals of nanoplates in absence of long-range periodicity
Photonic materials with positionally ordered structure can interact strongly with light to produce brilliant structural colors. Here, we found that the nonperiodic nematic liquid crystals of nanoplates can also display structural color with only significant orientational order. Owing to the loose stacking of the nematic nanodiscs, such colloidal dispersion is able to reflect a broad-spectrum wavelength, of which the reflection color can be further enhanced by adding carbon nanoparticles to reduce background scattering. Upon the addition of electrolytes, such vivid colors of nematic dispersion can be fine-tuned via electrostatic forces. Furthermore, we took advantage of the fluidity of the nematic structure to create a variety of colorful arts. It was expected that the concept of implanting nematic features in photonic structure of lyotropic nanoparticles may open opportunities for developing advanced photonic materials for display, sensing, and art applications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:116 |
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| Enthalten in: |
Proceedings of the National Academy of Sciences of the United States of America - 116(2019), 37 vom: 10. Sept., Seite 18322-18327 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zeng, Minxiang [VerfasserIn] |
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| Links: |
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| Themen: |
2D nanomaterials |
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| Anmerkungen: |
Date Revised 14.10.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1073/pnas.1906511116 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM300540183 |
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| 500 | |a Date Revised 14.10.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Photonic materials with positionally ordered structure can interact strongly with light to produce brilliant structural colors. Here, we found that the nonperiodic nematic liquid crystals of nanoplates can also display structural color with only significant orientational order. Owing to the loose stacking of the nematic nanodiscs, such colloidal dispersion is able to reflect a broad-spectrum wavelength, of which the reflection color can be further enhanced by adding carbon nanoparticles to reduce background scattering. Upon the addition of electrolytes, such vivid colors of nematic dispersion can be fine-tuned via electrostatic forces. Furthermore, we took advantage of the fluidity of the nematic structure to create a variety of colorful arts. It was expected that the concept of implanting nematic features in photonic structure of lyotropic nanoparticles may open opportunities for developing advanced photonic materials for display, sensing, and art applications | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 2D nanomaterials | |
| 650 | 4 | |a nematic colloids | |
| 650 | 4 | |a neutron scattering | |
| 650 | 4 | |a photonic liquid crystals | |
| 650 | 4 | |a self-assembly | |
| 700 | 1 | |a King, Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Dali |e verfasserin |4 aut | |
| 700 | 1 | |a Do, Changwoo |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Mingfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Lei, Shijun |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Pengcheng |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Zhengdong |e verfasserin |4 aut | |
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