期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 40, 期 15, 页码 6181-6187出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2020.06.065
关键词
Chinese porcelains; Blue pigment; Spinel; Cobalt aluminate; Raman spectroscopy
资金
- Campus France PHC CAI YUANPEI 2016-2018 program [36708RD]
The blue underglaze decorations of Chinese blue-and-white porcelains are due to the use of a cobalt-based blue pigment. Nevertheless, for a same time period and production centre, wares can present wide colour variations in both hue and intensity. Fourteen Ming samples were investigated using colorimetry, Raman spectroscopy and SEM-EDS, in order to better understand the origin of these variations. The majority of the sherds dates back to the middle 15th-early 16th century. The chromogenic mechanism of the hue and intensity variations appears to be complex and multifactorial. Six main factors have been identified: the elemental composition of the pigment particles, in particular the Fe/Co ratio, the pigment spinel structure, the size as well as the distribution of the colouring particles, the environment of the pigment particles and the colour of the glaze.
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