期刊
SENSORS
卷 14, 期 4, 页码 6338-6355出版社
MDPI
DOI: 10.3390/s140406338
关键词
fluorescence lifetime imaging (FLIM); time-resolved fluorescence spectroscopy; cultural heritage; degradation; monitoring; semi-conductor pigments
资金
- Italian Ministry for Univeristies and Research (MIUR) [RBFR12PHL4_003]
Applications of time-resolved photoluminescence spectroscopy (TRPL) and fluorescence lifetime imaging (FLIM) to the analysis of cultural heritage are presented. Examples range from historic wall paintings and stone sculptures to 20th century iconic design objects. A detailed description of the instrumentation developed and employed for analysis in the laboratory or in situ is given. Both instruments rely on a pulsed laser source coupled to a gated detection system, but differ in the type of information they provide. Applications of FLIM to the analysis of model samples and for the in-situ monitoring of works of art range from the analysis of organic materials and pigments in wall paintings, the detection of trace organic substances on stone sculptures, to the mapping of luminescence in late 19th century paintings. TRPL and FLIM are employed as sensors for the detection of the degradation of design objects made in plastic. Applications and avenues for future research are suggested.
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