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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202206580
|2 doi
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|a pubmed25n1156.xml
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|a (DE-627)NLM347053874
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|a (NLM)36189900
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Yujie
|e verfasserin
|4 aut
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|a Over 200 °C Broad-Temperature Lasers Reconstructed from a Blue-Phase Polymer Scaffold
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 24.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Blue-phase liquid crystal (BPLC) lasers have received extensive attention and have potential applications in sensors, displays, and anti-counterfeiting, owing to their unique 3D photonic bandgap. However, the working temperature range of such BPLC lasers is insufficient, and investigations are required to elucidate the underlying mechanism. Herein, a broad-temperature reconstructed laser is successfully achieved in dye-doped polymer-stabilized blue-phase liquid crystals (DD-PSBPLCs) with an unprecedented working temperature range of 25-230 °C based on a robust polymer scaffold, which combines the thermal stability and the tunability from the system. The broad-temperature lasing stems from the high thermal stability of the robust polymerized system used, which affords enough reflected and matched fluorescence signals. The temperature-tunable lasing behavior of the DD-PSBPLCs is associated with the phase transition of the unpolymerized content (≈60 wt%) in the system, which endows with a reconstructed characteristic of BP lasers including a U-shaped lasing threshold, a reversible lasing wavelength, and an obvious lasing enhancement at about 70 °C. This work not only provides a new idea for the design of broad-temperature BPLC lasers, but also sets out important insight in innovative microstructure changes for novel multifunctional organic optic devices
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|a Journal Article
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|a broad-temperature lasers
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|a liquid crystals
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|a phase transitions
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4 |
|a polymer stabilized blue phase
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1 |
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|a Zheng, Chenglin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wenjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jin, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiuhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jingxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Lei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 47 vom: 06. Nov., Seite e2206580
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:47
|g day:06
|g month:11
|g pages:e2206580
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202206580
|3 Volltext
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