http://www.cnr.it/ontology/cnr/individuo/prodotto/ID267095
A time-temperature integrator based on fluorescent and polymorphic compounds (Articolo in rivista)
- Type
- Label
- A time-temperature integrator based on fluorescent and polymorphic compounds (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1038/srep02581 (literal)
- Alternative label
Gentili, Denis; Durso, Margherita; Bettini, Cristian; Manet, Ilse; Gazzano, Massimo; Capelli, Raffaella; Muccini, Michele; Melucci, Manuela and Cavallini, Massimiliano (2013)
A time-temperature integrator based on fluorescent and polymorphic compounds
in Scientific reports (Nature Publishing Group)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gentili, Denis; Durso, Margherita; Bettini, Cristian; Manet, Ilse; Gazzano, Massimo; Capelli, Raffaella; Muccini, Michele; Melucci, Manuela and Cavallini, Massimiliano (literal)
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- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Melucci, M (Reprint Author), CNR, Ist Sintesi Organ & Fotoreatt, Via P Gobetti 101, I-40129 Bologna, Italy.
Gentili, Denis; Gazzano, Massimo; Capelli, Raffaella; Muccini, Michele; Cavallini, Massimiliano, CNR, Ist Studio Mat Nanostrutturati, I-40129 Bologna, Italy.
Durso, Margherita; Manet, Ilse; Melucci, Manuela, CNR, Ist Sintesi Organ & Fotoreatt, I-40129 Bologna, Italy.
Bettini, Cristian, Lab MIST ER, I-40129 Bologna, Italy.
Capelli, Raffaella; Muccini, Michele, ETC Srl, I-40129 Bologna, Italy.
Cavallini, Massimiliano, SCRIBA Nanotecnol Srl, I-40129 Bologna, Italy. (literal)
- Titolo
- A time-temperature integrator based on fluorescent and polymorphic compounds (literal)
- Abstract
- Despite the variety of functional properties of molecular materials, which make them of interest for a number of technologies, their tendency to form inhomogeneous aggregates in thin films and to self-organize in polymorphs are considered drawbacks for practical applications. Here, we report on the use of polymorphic molecular fluorescent thin films as time temperature integrators, a class of devices that monitor the thermal history of a product. The device is fabricated by patterning the fluorescent model compound thieno(bis) imide-oligothiophene. The fluorescence colour of the pattern changes as a consequence of an irreversible phase variation driven by temperature, and reveals the temperature at which the pattern was exposed. The experimental results are quantitatively analysed in the range 20-200 degrees C and interpreted considering a polymorph recrystallization in the thin film. Noteworthy, the reported method is of general validity and can be extended to every compound featuring irreversible temperature-dependent change of fluorescence. (literal)
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