Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 126, Issue 1, Pages 56-61Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2006.10.039
Keywords
azoaromatic-containing polymers; photochromic chiral polymers; chiroptical properties; optical activity; sensors
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We present here a preliminary report on the interaction between a new class of chiral azo-polymers with protic acids. The experiments have been carried out on amorphous thin films obtained by spin coating. The investigated polymers display reversible changes of their UV-vis spectra and chiroptical properties (evidenced by circular dichroism measurements) in response to external chemical stimuli, thus suggesting their potential use as ultrathin thermoplastic sensors. (C) 2006 Elsevier B.V. All rights reserved.
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