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Title: | Controllability and observability of the photophysical system of intermolecular two-state excited-state processes | Authors: | Boens, N Novikov, E AMELOOT, Marcel |
Issue Date: | 2008 | Publisher: | AMER CHEMICAL SOC | Source: | JOURNAL OF PHYSICAL CHEMISTRY A, 112(12). p. 2738-2742 | Abstract: | In this report, we focus on the consequences of controllability and observability on the number of distinct exponential terms in the fluorescence decay and on the identifiability analysis of the photophysical model of intermolecular two-state excited-state processes. Controllability and observability prove to be useful concepts in photophysics for exploring methodically the conditions under which intermolecular two-state excited-state processes lead to single-exponential fluorescence delta-response functions. A detailed discussion on the distinction of the possible origins of monoexponential fluorescence decays is presented. We also show that the similarity transformation approach to identifiability leads to erroneous conclusions concerning which model parameters can be identified if this photophysical system is not controllable or not observable. The results obtained for this relatively simple photophysical system can be extended in a systematic way to more complicated photophysical models. | Notes: | Katholieke Univ Leuven, Dept Chem, B-3001 Louvain, Belgium. Serv Bioinformat, Inst Curie, F-75248 Paris, France. Hasselt Univ & Transnatl Univ Limburg, B-3590 Diepenbeek, Belgium.Boens, N, Katholieke Univ Leuven, Dept Chem, Celestijnenlaan 200F Bus 02404, B-3001 Louvain, Belgium.Noel.Boens@chem.kuleuven.be | Document URI: | http://hdl.handle.net/1942/8185 | ISSN: | 1089-5639 | e-ISSN: | 1520-5215 | DOI: | 10.1021/jp710050e | ISI #: | 000254209400030 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2009 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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Controllability.pdf | Non Peer-reviewed author version | 164.1 kB | Adobe PDF | View/Open |
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