Photophysics of Langmuir-Blodgett films

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


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 (US)
Title of host publicationBiomedical Engineering Perspectives
Subtitle of host publicationHealth Care Technologies for the 1990's and Beyond
PublisherPubl by IEEE
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

Publication series

NameProceedings of the Annual Conference on Engineering in Medicine and Biology
Numberpt 4
ISSN (Print)0589-1019


OtherProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
CityPhiladelphia, PA, USA

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics


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