Abstract
Multilayer LB films of chlorophyll a in L-(alpha) -phosphatidylcholine dipalmitoyl matrix have been prepared in order to study excitation energy relaxation processes. Chlorophyll a layers were deposited on a plate previously covered with 10 layers of stearic acid and separated from each other by three layers of stearic acid, and finally covered by 8 layers of stearic acid to avoid interlayer interaction and to protect the sample. Films were deposited on quartz plates with ends cut at an angle of 45 degree(s) to use the full inner reflection of the probing beam. Fluorescence of the samples were studied in the time range from 10 ps to 10 ns and transient absorption in time range from 100 ns to 100 microsecond(s) . Results are discussed from the point of two types of chlorophyll arrangements on the films.
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