铜红釉反射光谱的计算模拟
The computational simulation of the reflection spectra of copper red glaze
AI总结:
本文基于Mie散射理论计算铜红釉中金属铜与氧化亚铜纳米颗粒的反射光谱及L*a*b*值,通过对比实验数据提出区分两种呈色机理的可行方法。
摘要:
由于传统分析方法的局限性,铜红釉的呈色机理长期在学术界存在争议,争议焦点在于呈色剂是金属铜纳米颗粒还是氧化亚铜(Cu2O)纳米颗粒。本工作基于Mie散射理论,计算了均匀分散在透明釉中、具有不同种类、直径和体积分数的纳米颗粒的反射光谱,随后讨论了金属铜与氧化亚铜作为散射体时反射光谱的差异,计算了相应的L*a*b*值,并与实验结果进行了比较。本工作为区分这两种呈色机理提供了一种可行且便捷的方法。
英文摘要:
Owing to the limitation of traditional analytical methods, the coloration mechanism of copper red glaze has been disputed in the academic field for a long time, which mainly focuses on whether the color agent is metallic copper nanoparticles or cuprous oxide (Cu2O) nanoparticles. Based on Mie scattering theory, this work calculated the reflection spectra of nanoparticles uniformly dispersed in transparent glaze with different types, diameters and volume fractions, then discussed the differences between the reflection spectra of metallic copper and cuprous oxide as scatters, calculated the corresponding L*a*b* values, and compared them with the experimental results. This work provides a feasible and convenient method to distinguish these two coloration mechanisms.
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