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Photophysics of artist's pigments

Accorsi, G; Verri, G; Acocella, A; Saunders, D; de Fonjaudran, CM; Tamburini, D; Rava, A; ... Zerbetto, F; + view all (2018) Photophysics of artist's pigments. Measurement , 123 pp. 293-297. 10.1016/j.measurement.2018.03.082. Green open access

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Among analytical techniques, photophysics represents a non-invasive method suitable for the study of artefacts in the cultural heritage field. Thanks to this technique, many useful data can be collected on the pigments in order to get information on their identification and aging status. This represents a powerful tool for restores and scholars with the aim of preservation and fruition of artefacts. Here, we report the optical properties of (i) Cuprorivaite (Egyptian Blue) exhibiting an exceptionally high emission quantum efficiency in the near-infrared region (λmax = 910 nm, PLQY = 10.5%) that makes it also appealing for several technological applications; (ii) Manganese blue, a synthetic barium manganate(VI) sulphate compound, used both as a blue pigment in works of art and by conservators in the restoration of paintings and (iii) Indian yellow, a historic pigment produced in India that is characterised by its luminous yellow-orange colour and noticeable photoluminescence properties. The choice of the above-mentioned pigments has been mainly driven by the availability of real case studies in different worldwide regions.

Type: Article
Title: Photophysics of artist's pigments
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.measurement.2018.03.082
Publisher version: https://doi.org/10.1016/j.measurement.2018.03.082
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Photophysics, Cultural heritage, Optical properties, Egyptian Blue, Manganese blue, Indian Yellow
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/10064515
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