Chiral nematic liquid crystal droplets as a basis for sensor systems

Paterson, Daniel A.1,2; Du, Xiaoxue1,3; Bao, Peng1; Parry, Adele A.1; Peyman, Sally A.1,4; Sandoe, Jonathan A. T.4; Evans, Stephen D.1; Luo, Dan3; Bushby, Richard J.2; Jones, J. Cliff1; Gleeson, Helen F.1

2022-03-01

10.1039/d1me00189b

Molecular Systems Design & Engineering   影响因子和分区

2058-9689

For a series of phospholipid coated calamitic nematic liquid crystal droplets (5CB, 6CB, 7CB, E7 and MLC7023) of diameter similar to 18 mu m, the addition of chiral dopant leaves the sign of surface anchoring unchanged. Herein we report that for these chiral nematic droplets an analyte induced transition from a Frank-Pryce structure (with planar anchoring) to a nested-cup structure (with perpendicular anchoring) is accompanied by changes in the intensity of reflected light. We propose this system as both a general scheme for understanding director fields in chiral nematic liquid crystal droplets with perpendicular anchoring and as an ideal candidate to be utilised as the basis for developing cheap, single use LC-based sensor devices.

SCI ; EI

英语

其他

EPSRC["EP/P024041/1","EP/S029214/1","EP/EP/P023266/1"] ; Health Services and Delivery Research Programme[MIC-2016-004] ; MRC[MR/M009084/1] ; Natural National Science Foundation of China (NSFC)[61875081] ; Shenzhen Science and Technology Innovation Commission[JCYJ20180305180700747]

Chemistry ; Engineering ; Science & Technology - Other Topics ; Materials Science

Chemistry, Physical ; Engineering, Chemical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000769411900001

ROYAL SOC CHEMISTRY

20221511942022

Drops ; Nematic liquid crystals

Organic Compounds:804.1

Web of Science

1.Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England
2.Univ Leeds, Sch Chem, Leeds LS2 9JT, W Yorkshire, England
3.Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
4.Univ Leeds, Leeds Inst Med Res, Leeds LS2 9JT, W Yorkshire, England

Paterson, Daniel A.,Du, Xiaoxue,Bao, Peng,et al. Chiral nematic liquid crystal droplets as a basis for sensor systems[J]. Molecular Systems Design & Engineering,2022,7:607-621.

Paterson, Daniel A..,Du, Xiaoxue.,Bao, Peng.,Parry, Adele A..,Peyman, Sally A..,...&Gleeson, Helen F..(2022).Chiral nematic liquid crystal droplets as a basis for sensor systems.Molecular Systems Design & Engineering,7,607-621.

Paterson, Daniel A.,et al."Chiral nematic liquid crystal droplets as a basis for sensor systems".Molecular Systems Design & Engineering 7(2022):607-621.