Synthesis and formtion mechanism of Mn-doped Zn2SiO4 brown pigment

Title
Synthesis and formtion mechanism of Mn-doped Zn2SiO4 brown pigment
Authors
Dong-Ha Hwang한경섭Byung-Ha Lee
Keywords
formation mechanism; synthesis; Mn-doped Zn2SiO4; brown pigment; willemite
Issue Date
2011-09
Publisher
Materials science forum
Citation
VOL 695, 295-298
Abstract
A willemite brown inorganic pigment was synthesized by subsyituting MnO for ZnO. The composition of MnxZn2-xSiO4 (X=0.1, 0.3, 0.5, 0.7 and 0.9mole) was synthesized at 1200~1300℃ by solid state method. The characteristics of synthesized pigment were analyzed by X-ray diffraction, FT-IR spectroscopy, Raman spectroscopy and SEM. The UV- vis spectroscopy and CIE L*a*b* measurement were employed to analyzed color. Willemite single crystal phase was synthesized with compositions of Mn0.3Zn1.5SiO2 and Mn0.5Zn1.5 SiO2 from 1300℃/3h. The synthesized pigment of Mn0.5Zn1.5 SiO2 at 1300℃/3h was applicated to lime barium glaze and lime zinc glaze and the CIE L*a*b* values were 30.32, 7.17, 3.14 and 32.04, 8.18, 3.49, respectively.
URI
http://pubs.kist.re.kr/handle/201004/40333
ISSN
0255-5476
Appears in Collections:
KIST Publication > Article
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