CAJ | 학술논문

红绿彩瓷是一种低温釉上彩瓷,从结构层次探讨其釉上红彩、绿彩、黄彩的呈色机理一直是古陶瓷研究的空白.采用X射线吸收精细结构(X-ray absorption fine structure,XAFS)方法,测试分析红绿彩瓷中的红彩、绿彩和黄彩.结果表明,红彩中致色元素Fe主要为+3价,其局域结构与Fe2O3相近,最近邻配位为扭曲的八面体结构.透射电子显微分析证实其物相为氧化铁晶体.黄彩中致色元素Fe主要存在+2价和+3价,绿彩中致色元素Cu主要为+2价,两者均处于无序度较高的局域环境中,最近邻配位为O原子.
홍록채자시일충저온유상채자,종결구층차탐토기유상홍채、록채、황채적정색궤리일직시고도자연구적공백.채용X사선흡수정세결구(X-ray absorption fine structure,XAFS)방법,측시분석홍록채자중적홍채、록채화황채.결과표명,홍채중치색원소Fe주요위+3개,기국역결구여Fe2O3상근,최근린배위위뉴곡적팔면체결구.투사전자현미분석증실기물상위양화철정체.황채중치색원소Fe주요존재+2개화+3개,록채중치색원소Cu주요위+2개,량자균처우무서도교고적국역배경중,최근린배위위O원자.
Structure analysis of Honglvcai,an overglaze ploychrome porcelain produced in China from the Song Dynasty to Ming Dynasty,has been a blank in studies on ancient Chinese ceramics. This work was focused on the oxidation state and local environment of colorants in red,yellow and green decorations on Honglvcai by X-ray absorption fine structure (XAFS). The analysis of Fe K-edge XANES and EXAFS spectra of the red-colored samples indicated that Fe3+ was mainly located at a distorted octahedral site in a hematite phase,while that if the yellow-colored samples showed that iron was present as both trivalent and divalent cations coordinated with oxygen atoms in an amorphous phase. And Cu K-edge XAFS analysis of the green-colored samples revealed that Cu2+ was the main constituent coordinated with oxygen atoms in an amorphous phase.