Photophysics of Langmuir-Blodgett films

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Using a theoretical approach and with the support of experimental evidence on monolayer and Langmuir-Blodgett (LB) films, the relationship between molecular level and bulk material behavior, and the organization of the two- or three-dimensional structure is examined. This approach gives insight into the type of phenomena occurring during the transition between molecular and bulk material structure. The experimental technique used to simulate the transition, which allows a rather elegant manipulation of the molecular environment in the film, is a combination of the examination of the monolayer film at the air-water interface and the deposited LB films. For example, in LB films of chlorophyll-a-phosphatidylcholine mixtures (in a molar ratio of 1:100), two lifetimes are observed: a long component of 4.6 ns attributed to the monomeric form of the pigment, and a short component of 2.2 ns due to the dimers or oligomers.

Original languageEnglish
Title of host publicationProceedings of the Annual Conference on Engineering in Medicine and Biology
Place of PublicationPiscataway, NJ, United States
PublisherPubl by IEEE
Pages1709-1710
Number of pages2
Editionpt 4
ISBN (Print)0879425598
StatePublished - Dec 1 1990
Externally publishedYes
EventProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Philadelphia, PA, USA
Duration: Nov 1 1990Nov 4 1990

Other

OtherProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
CityPhiladelphia, PA, USA
Period11/1/9011/4/90

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ASJC Scopus subject areas

  • Bioengineering

Cite this

Leblanc, R. (1990). Photophysics of Langmuir-Blodgett films. In Proceedings of the Annual Conference on Engineering in Medicine and Biology (pt 4 ed., pp. 1709-1710). Publ by IEEE.