圆明园琉璃瓦表面釉层变色机理的研究

发布时间：2018-05-11 00:43

本文选题：圆明园 + 琉璃瓦　；参考：《硅酸盐通报》2017年08期

【摘要】：主要利用光学显微镜、能量色散(EDXRF)、XPS、SEM、TEM对圆明园出土的部分绿色琉璃瓦釉-绿中泛红现象进行分析,以研究圆明园出土琉璃瓦的变色机理和烧制过程。通过以上分析表明,琉璃瓦的釉层属于一种铅硅系玻璃,其绿色和红色是由于釉中Cu元素存在价态与含量不同所致,并且绿色区域是以Cu~(2+)形式存在,黑红色和鲜红色区域主要以Cu~+和Cu~0并存形式存在,而且黑红色区域Cu~0的含量要高于鲜红色,所以Cu~0对于呈红色起到主要作用。绿色到红色转变是釉层中Cu~(2+)被圆明园遭到火烧时产生的C和CO还原为Cu~0和Cu_2O析出富集到表面所致,其本质与铜红釉呈色机理相同。
[Abstract]:In order to study the mechanism of discoloration and firing process of glazed tiles unearthed by Old Summer Palace, the phenomenon of redness in green glaze and glaze of partially green glazed tile unearthed by Old Summer Palace was analyzed by means of optical microscope and energy dispersive EDXRF Old Summer Palace. According to the above analysis, the glaze layer of glazed tile belongs to a kind of lead-silicon glass, its green and red are caused by the existence of different valence and content of Cu in glaze, and the green area is in the form of Cu~(2). The content of Cu~0 in the black red region is higher than that in the bright red region, so Cu~0 plays a major role in the red color. The green to red transition is caused by the reduction of C and CO from the glaze layer by Old Summer Palace to Cu~0 and Cu_2O precipitation and enrichment to the surface, the essence of which is the same as that of the copper red glaze.
【作者单位】：中国科学院大学化学与化工学院;北京市文物研究所;北京大学考古文博学院;
【基金】：国家社会科学基金(15ZDB057) 国家自然科学基金(51671179)
【分类号】：TQ174.767

【相似文献】