Microcantilever arrays coated with photoactive polymeric brushes as systems to measure photo-induced surface stress changes

L. Florea, S. Koprivica, S. Scarmagnani, D. Diamond, F. Benito-Lopez, C. Grogan, F. Pedreschi, L. O'Neill, F. Lyng, R. Raiteri

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Here we investigate the feasibility of detecting the photo-reversible inter-conversion between the two thermo-dynamically stable states of the photochromic molecule spiropyran, using silicon microcantilever sensors. The merging of microcantilever technology and spiropyran photochromic brushes for the first time, offers a good route for the pairing of a sensitive transducer with a sensing surface which can be optically controlled. Photo-induced switching between the spiropyran isomers has been tracked through changes in surface stress of the cantilever that can be detected by monitoring the cantilever deflection.

Original languageEnglish
Title of host publication2015 IEEE SENSORS - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982028
DOIs
Publication statusPublished - 31 Dec 2015
Event14th IEEE SENSORS - Busan, Korea, Republic of
Duration: 1 Nov 20154 Nov 2015

Publication series

Name2015 IEEE SENSORS - Proceedings

Conference

Conference14th IEEE SENSORS
Country/TerritoryKorea, Republic of
CityBusan
Period1/11/154/11/15

Keywords

  • microcantilever
  • photo-response
  • photochromic brushes
  • polymeric brushes
  • spiropyran

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