Irreversible visual sensing of humidity using a cholesteric liquid crystal
- 29 March 2012
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- Vol. 48 (38) , 4579-4581
Abstract
Irreversible optical sensing of humidity by a doped cholesteric liquid crystal is achieved by using a thin film of nematic host E7 with a binaphthylorthosilicate ester as dopant (guest). The film changes its color from blue (to green to orange to red) to colorless when exposed to humidity as the dopant is hydrolyzed.Keywords
This publication has 31 references indexed in Scilit:
- Widely Tunable, Photoinvertible Cholesteric Liquid CrystalsAdvanced Materials, 2011
- Highly sensitive humidity sensor based on amorphous Al 2 O 3 nanotubesJournal of Materials Chemistry, 2010
- A highly selective optical sensor for catalytic determination of ultra-trace amounts of nitrite in water and foods based on brilliant cresyl blue as a sensing reagentSensors and Actuators B: Chemical, 2010
- A novel reversible relative-humidity indicator ink based on methylene blue and ureaThe Analyst, 2009
- Helical Polyacetylene: Asymmetric Polymerization in a Chiral Liquid-Crystal FieldChemical Reviews, 2009
- Color Changing Cholesteric Polymer Films Sensitive to Amino AcidsMacromolecules, 2006
- Nanomotor rotates microscale objectsNature, 2006
- Cholesteric Liquid Crystals for Color Information TechnologyAdvanced Materials, 2001
- Chiroptical molecular switchesAdvanced Materials, 1996
- Über Silicone, LIV. Über die Reaktion von SiCl4 mit einem zweiwertigen Phenol. Bis‐[binaphthylen‐(2.2′)‐dioxy]‐silanEuropean Journal of Inorganic Chemistry, 1961