![]() Letizia Monico, Koen Janssens, Frederik Vanmeert, Marine Cotte, Brunetto Giovanni Brunetti, Geert Van der Snickt, Margje Leeuwestein, Johanna Salvant Plisson, Michel Menu, and Costanza Miliani.Unique Optoelectronic Structure and Photoreduction Properties of Sulfur-Doped Lead Chromates Explaining Their Instability in Paintings. ![]() ![]() ![]() Vanoushe Rahemi, Nasrin Sarmadian, Willemien Anaf, Koen Janssens, Dirk Lamoen, Bart Partoens, and Karolien De Wael.Disclosing the Binding Medium Effects and the Pigment Solubility in the (Photo)reduction Process of Chrome Yellows (PbCrO4/PbCr1–xSxO4). Letizia Monico, Lorenzo Sorace, Marine Cotte, Wout de Nolf, Koen Janssens, Aldo Romani, Costanza Miliani.Environmental Science & Technology 2019, 53 Sunlight-Mediated Lead and Chromium Release from Commercial Lead Chromate Pigments in Aqueous Phase. Han Gao, Peiyun Wei, Huiting Liu, Mingce Long, Heyun Fu, Xiaolei Qu.Damages Induced by Synchrotron Radiation-Based X-ray Microanalysis in Chrome Yellow Paints and Related Cr-Compounds: Assessment, Quantification, and Mitigation Strategies. Letizia Monico, Marine Cotte, Frederik Vanmeert, Lucia Amidani, Koen Janssens, Gert Nuyts, Jan Garrevoet, Gerald Falkenberg, Pieter Glatzel, Aldo Romani, Costanza Miliani.Development and Implementation of Molecular Modernism, a “Chemistry and Art” Course with Travel Components in France or the United States. This article is cited by 82 publications. This conclusion was also confirmed by in situ mid-FTIR investigations on Van Gogh’s Portrait of Gauguin (Van Gogh Museum, Amsterdam). On the basis of these results, an extended study has been carried out on historic paint tubes and on embedded paint microsamples taken from yellow-orange/pale yellow areas of 12 Van Gogh paintings, demonstrating that Van Gogh effectively made use of different chrome yellow types. ![]() Investigations by X-ray diffraction (XRD), mid-Fourier Transform infrared (FTIR), and Raman instruments (benchtop and portable) and synchrotron radiation-based micro-XRD and X-ray absorption near edge structure spectroscopy performed on oil-paint models, prepared with in-house synthesized PbCrO 4 and PbCr 1- xS xO 4, permitted us to characterize the spectroscopic features of the various forms. This pigment may correspond to various chemical compounds such as PbCrO 4 and PbCr 1- xS xO 4, that may each be present in various crystallographic forms with different tendencies toward degradation. The painter, Vincent van Gogh, and some of his contemporaries frequently made use of the pigment chrome yellow that is known to show a tendency toward darkening. ![]()
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