Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices
Nature is highly efficient at producing chiral compounds that are enantiomerically pure. The inherent chirality of naturally occurring biomolecules means that many have the potential to be used as chiral dopants for cholesteric liquid crystal (CLC) systems. Though many biomolecules have been identif...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-04-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/13/8/5054 |
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| author | Steven M. Wolf Zachary M. Marsh Steven M. Quarin Kyung Min Lee Sushma Karra Michael E. McConney Tod A. Grusenmeyer Nicholas P. Godman |
| author_facet | Steven M. Wolf Zachary M. Marsh Steven M. Quarin Kyung Min Lee Sushma Karra Michael E. McConney Tod A. Grusenmeyer Nicholas P. Godman |
| author_sort | Steven M. Wolf |
| collection | DOAJ |
| description | Nature is highly efficient at producing chiral compounds that are enantiomerically pure. The inherent chirality of naturally occurring biomolecules means that many have the potential to be used as chiral dopants for cholesteric liquid crystal (CLC) systems. Though many biomolecules have been identified as chiral dopants, many remain yet to be probed for their ability to function as chiral dopants. Here, 10 naturally occurring biomolecules comprised of steroids and bile acids were tested as chiral dopants for CLCs. Progesterone was identified as having high miscibility with nematic liquid crystals and was used in responsive liquid crystal devices. Progesterone-doped CLC devices were fabricated to exhibit either normal mode or reverse mode switchable behavior. Polymer stabilized CLCs (PSCLC) devices exhibiting dynamic electro-optic red- and blue-tuning behaviors were also fabricated. Furthermore, immiscible lithocholic acid was synthetically modified to afford two derivatives that were miscible at 10 wt. % in nematic liquid crystals. The two lithocholic acid derivatives were used as chiral dopants and incorporated into polymer stabilized CLCs which exhibited blue tuning behavior. |
| first_indexed | 2024-03-11T05:16:10Z |
| format | Article |
| id | doaj.art-a0211dcd30e74f04914d96f4676ece21 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-11T05:16:10Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-a0211dcd30e74f04914d96f4676ece212023-11-17T18:13:00ZengMDPI AGApplied Sciences2076-34172023-04-01138505410.3390/app13085054Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal DevicesSteven M. Wolf0Zachary M. Marsh1Steven M. Quarin2Kyung Min Lee3Sushma Karra4Michael E. McConney5Tod A. Grusenmeyer6Nicholas P. Godman7Azimuth Corporation, 2970 Presidential Drive, Fairborn, OH 45324, USAAzimuth Corporation, 2970 Presidential Drive, Fairborn, OH 45324, USAAzimuth Corporation, 2970 Presidential Drive, Fairborn, OH 45324, USAAzimuth Corporation, 2970 Presidential Drive, Fairborn, OH 45324, USAAzimuth Corporation, 2970 Presidential Drive, Fairborn, OH 45324, USAAir Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base, OH 45433, USAAir Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base, OH 45433, USAAir Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base, OH 45433, USANature is highly efficient at producing chiral compounds that are enantiomerically pure. The inherent chirality of naturally occurring biomolecules means that many have the potential to be used as chiral dopants for cholesteric liquid crystal (CLC) systems. Though many biomolecules have been identified as chiral dopants, many remain yet to be probed for their ability to function as chiral dopants. Here, 10 naturally occurring biomolecules comprised of steroids and bile acids were tested as chiral dopants for CLCs. Progesterone was identified as having high miscibility with nematic liquid crystals and was used in responsive liquid crystal devices. Progesterone-doped CLC devices were fabricated to exhibit either normal mode or reverse mode switchable behavior. Polymer stabilized CLCs (PSCLC) devices exhibiting dynamic electro-optic red- and blue-tuning behaviors were also fabricated. Furthermore, immiscible lithocholic acid was synthetically modified to afford two derivatives that were miscible at 10 wt. % in nematic liquid crystals. The two lithocholic acid derivatives were used as chiral dopants and incorporated into polymer stabilized CLCs which exhibited blue tuning behavior.https://www.mdpi.com/2076-3417/13/8/5054cholesteric liquid crystalschiral dopantselectro-opticssteroidssynthetic modification |
| spellingShingle | Steven M. Wolf Zachary M. Marsh Steven M. Quarin Kyung Min Lee Sushma Karra Michael E. McConney Tod A. Grusenmeyer Nicholas P. Godman Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices Applied Sciences cholesteric liquid crystals chiral dopants electro-optics steroids synthetic modification |
| title | Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices |
| title_full | Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices |
| title_fullStr | Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices |
| title_full_unstemmed | Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices |
| title_short | Investigating the Electro-Optic Response of Steroid Doped Liquid Crystal Devices |
| title_sort | investigating the electro optic response of steroid doped liquid crystal devices |
| topic | cholesteric liquid crystals chiral dopants electro-optics steroids synthetic modification |
| url | https://www.mdpi.com/2076-3417/13/8/5054 |
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