Synthesis and Photoswitching Properties of Liquid Crystals Derived from Myo-Inositol
A new series of unconventional liquid crystal molecules derived from myo-inositol core were synthesized by linking six azobenzene units having terminal double bonds as polymerizable functional groups to myoinositol. Differential scanning calorimetry, polarizing optical microscopy and X-ray diffracti...
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| Format: | Article |
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Royal Society of Chemistry
2014
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| _version_ | 1796990385493377024 |
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| author | Lutfor, M. R. M. M., Yusoff Kumar, Sandeep |
| author_facet | Lutfor, M. R. M. M., Yusoff Kumar, Sandeep |
| author_sort | Lutfor, M. R. |
| collection | UMP |
| description | A new series of unconventional liquid crystal molecules derived from myo-inositol core were synthesized by linking six azobenzene units having terminal double bonds as polymerizable functional groups to myoinositol. Differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction studies were carried out to determine mesomorphism in these materials. Thus, all compounds showed stable enantiotropic SmA phase which was independent of the chain length and chain parity. The
photoswitching behaviour of these molecules in solutions showed E to Z isomerization in 8–10 s, whereas the reverse process took about 270–305 min. In solid film, the E–Z photoisomerization took 5 s, while the reverse transformation from Z to E state took 120 min. The photoswitching behaviour of these materials represents one of the fastest switching times so far observed in such materials and,therefore, they are good candidates for molecular switches. |
| first_indexed | 2024-03-06T11:50:47Z |
| format | Article |
| id | UMPir8079 |
| institution | Universiti Malaysia Pahang |
| last_indexed | 2024-03-06T11:50:47Z |
| publishDate | 2014 |
| publisher | Royal Society of Chemistry |
| record_format | dspace |
| spelling | UMPir80792018-02-06T07:36:10Z http://umpir.ump.edu.my/id/eprint/8079/ Synthesis and Photoswitching Properties of Liquid Crystals Derived from Myo-Inositol Lutfor, M. R. M. M., Yusoff Kumar, Sandeep QD Chemistry A new series of unconventional liquid crystal molecules derived from myo-inositol core were synthesized by linking six azobenzene units having terminal double bonds as polymerizable functional groups to myoinositol. Differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction studies were carried out to determine mesomorphism in these materials. Thus, all compounds showed stable enantiotropic SmA phase which was independent of the chain length and chain parity. The photoswitching behaviour of these molecules in solutions showed E to Z isomerization in 8–10 s, whereas the reverse process took about 270–305 min. In solid film, the E–Z photoisomerization took 5 s, while the reverse transformation from Z to E state took 120 min. The photoswitching behaviour of these materials represents one of the fastest switching times so far observed in such materials and,therefore, they are good candidates for molecular switches. Royal Society of Chemistry 2014-07-29 Article PeerReviewed Lutfor, M. R. and M. M., Yusoff and Kumar, Sandeep (2014) Synthesis and Photoswitching Properties of Liquid Crystals Derived from Myo-Inositol. RSC Advances, 4 (66). pp. 35089-35098. ISSN 2046-2069. (Published) http://dx.doi.org/10.1039/C4RA05568C DOI: 10.1039/c4ra05568c |
| spellingShingle | QD Chemistry Lutfor, M. R. M. M., Yusoff Kumar, Sandeep Synthesis and Photoswitching Properties of Liquid Crystals Derived from Myo-Inositol |
| title | Synthesis and Photoswitching Properties of Liquid
Crystals Derived from Myo-Inositol |
| title_full | Synthesis and Photoswitching Properties of Liquid
Crystals Derived from Myo-Inositol |
| title_fullStr | Synthesis and Photoswitching Properties of Liquid
Crystals Derived from Myo-Inositol |
| title_full_unstemmed | Synthesis and Photoswitching Properties of Liquid
Crystals Derived from Myo-Inositol |
| title_short | Synthesis and Photoswitching Properties of Liquid
Crystals Derived from Myo-Inositol |
| title_sort | synthesis and photoswitching properties of liquid crystals derived from myo inositol |
| topic | QD Chemistry |
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