Non-invasive study of gold nanoparticles in famille rose and ruby-back qing porcelain by luminescence, low-wavenumber raman scattering and pXRF

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dc.contributor.authorColomban, Philippe
dc.contributor.authorTang, Hui
dc.contributor.authorŞimşek Franci, Gülsu
dc.date.accessioned2025-12-05T10:58:43Z
dc.date.available2025-12-05T10:58:43Z
dc.date.issued2025
dc.departmentFakülteler, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümü
dc.description.abstractComprehensive studies of Famille rose porcelains, particularly ruby-back pieces, are rare and have generally not addressed the vibrational signatures arising from gold nanoparticles. Due to the high cultural and material value of these artifacts, a strictly non-invasive approach combining X-ray fluorescence (XRF) and Raman (micro-)spectrometry must be employed. If the conservation of porcelain does not pose any difficulties, fakes exist and they must be identified. Preliminary studies show that the presence of metal nanoparticles generates plasmon-related fluorescence. Our results confirm that plasmon fluorescence is more effective than pXRF for detecting colloidal gold, whereas pXRF efficiently identifies associated elements such as arsenic, tin, and, newly observed, antimony; the presence of iron is difficult to demonstrate due to its ubiquitous occurrence. Yellow and green hues, distinct from those produced by Cu2+ ions alone, are mainly due to simple tin yellow (PbSnO3), while the cobalt used originates from a mixture of European smalt (rich in arsenic and potassium) and Asian ores (rich in manganese). Minimal variability was observed among egg-shell porcelains with similar decorations and dimensions, suggesting a common workshop or standardized raw materials and procedures. Two other egg-shell plates employ a different gold preparation technique (addition of Sn and Sb rather than As), which is visually evident in the ruby color.
dc.identifier.doi10.3390/app152212265
dc.identifier.issn2076-3417
dc.identifier.issue22
dc.identifier.scopus2-s2.0-105022905220
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/11501/2525
dc.identifier.urihttps://doi.org/10.3390/app152212265
dc.identifier.volume15
dc.identifier.wosWOS:001623435500001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorŞimşek Franci, Gülsu
dc.institutionauthorid0000-0001-9050-5819
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.relation.ispartofApplied Sciences (Switzerland)
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectFamille Rose
dc.subjectGold
dc.subjectLamb Modes
dc.subjectLow Wavenumber
dc.subjectNanoparticles
dc.subjectPlasmon Fluorescence
dc.subjectPorcelain
dc.subjectpXRF
dc.subjectQing Dynasty
dc.subjectRaman Spectroscopy
dc.titleNon-invasive study of gold nanoparticles in famille rose and ruby-back qing porcelain by luminescence, low-wavenumber raman scattering and pXRF
dc.typeArticle

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