Growth and characterisation of potassium cobalt nickel sulfate hexahydrate for UV light filters by Xinxin Zhuang, Genbo Su,Youping He, and Guozong Zheng

Crystal Research and Technology

Cryst. Res. Technol. 41, 1031 (2006) - Abstract -

Growth and characterisation of potassium cobalt nickel sulfate hexahydrate for UV light filters

Xinxin Zhuang, Genbo Su,Youping He, and Guozong Zheng

Fujian Institute of Research on the Structure of Matter, Chinese Academy of Science, P. O. Box 143, 350002, Fuzhou, P. R. China

Keywords	crystal structure, UV light spectrum, potassium cobalt nickel sulfate complex
PACS	42.79.Ci, 81.10.Dn
DOI	10.1002/crat.200610716

A new single crystal for ultraviolet light filter, KCNSH (Potassium Cobalt Nickel Sulfate Hexahydrate) was designed and its crystal structure was studied using X-ray diffraction in this paper. The empirical of the title compound is K₂Co_0.1Ni_0.9(SO₄)₂.6H₂O with formula weight 437.15. KCNSH crystal belongs to the monoclinic space group P2(1)/c, a=6.1390(3)Å, b=12.1839(6)Å, c=9.0095(4)Å, α=γ=90°, β=105.060(2)°, V=650.74(5)Å³, Z=2, Dc=2.231g/cm³. Using the cooling solution method, we have grown a deep green KCNSH crystal with dimension of 12x12x40mm³. The transmission spectrum of KCNSH in the range from UV to near IR wavelengths, its thermal properties, and the relationship between the structure and optical transmission properties are also studied and further discussed in this paper.

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