Synchrotron-based X-ray spectromicroscopy and electron paramagnetic resonance spectroscopy to investigate the redox properties of lead chromate pigments under the effect of visible light

Author:

Monico Letizia12345,Janssens Koen6789,Cotte Marine1011121314,Romani Aldo12345,Sorace Lorenzo15161718,Grazia Chiara12345,Brunetti Brunetto Giovanni12345,Miliani Costanza12345

Affiliation:

1. CNR Institute of Molecular Science and Technologies (CNR-ISTM) and Centre SMAArt

2. c/o Department of Chemistry

3. Biology and Biotechnologies

4. University of Perugia

5. 06123 Perugia

6. Department of Chemistry

7. University of Antwerp

8. 2020 Antwerp

9. Belgium

10. European Synchrotron Radiation Facility

11. 38000 Grenoble

12. France

13. Laboratoire d'Archéologie Moléculaire et Structurale (LAMS)

14. CNRS-UPMC

15. Department of Chemistry “U. Schiff” and INSTM RU

16. University of Florence

17. 50019 Sesto Fiorentino

18. Italy

Abstract

The redox properties of chrome yellows under visible and monochromatic light exposure are studied using UV-vis, SR μ-XRF/μ-XANES and EPR spectroscopies.

Publisher

Royal Society of Chemistry (RSC)

Subject

Spectroscopy,Analytical Chemistry

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