红外材料ZnS的制备
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摘要
本文通过化学沉淀法,以99.99%锌粉为主要原料制备了高纯ZnS粉末。利用X射线衍射仪、扫描电镜、ICP发射光谱仪对其相成分、表面形貌、杂质元素进行表征,并考察了所制备的Zn S粉末的应用效果。结果表明:Zn S粉末主要由β-Zn S相构成,纯度较高,达99.995%,颗粒呈球形状,粒径主要分布在2-5μm;真空热压工艺制备的6 mm厚Zn S多晶在8-12μm波段范围内平均红外透过率达67.6%。
Using chemical precipitatation method with the starting reagents of 99.99 % zinc, high purity ZnS powder were synthesized. The phase composition, surface morphology and impurity elements were analyzed by X-ray diffraction, SEM and ICP emission spectrometer. The application effect of the prepared Zn S powder was investigated. The results showed that the high purity ZnS powder mainly composed of one phase of β-ZnS with a purity of 99.995 %, The particles were spherical in shape with a diameter of 2-5 μm; The ZnS crystal prepared by vacuum hot pressing process had an average transmittance of 67.6 % at 8-12 μm for 6 mm thickness samples.
Using chemical precipitatation method with the starting reagents of 99.99 % zinc, high purity ZnS powder were synthesized. The phase composition, surface morphology and impurity elements were analyzed by X-ray diffraction, SEM and ICP emission spectrometer. The application effect of the prepared Zn S powder was investigated. The results showed that the high purity ZnS powder mainly composed of one phase of β-ZnS with a purity of 99.995 %, The particles were spherical in shape with a diameter of 2-5 μm; The ZnS crystal prepared by vacuum hot pressing process had an average transmittance of 67.6 % at 8-12 μm for 6 mm thickness samples.
引文
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[11]Xu B S,Tanaka S I.Phase transformation and bonding of ceramic nanoparticles in a TEM[J].Nanostructured Materials,1995,6(5-8):727-730.
[12]Capek I.Preparation of metal nanoparticles in water-in-oil(w/o)microemulsions[J].Adv Colloid Interface Sci,2004,110(1):49-74.
[13]罗晶武.单分散ZnS纳米颗粒的制备与表征[D].中国科学院山西煤炭化学研究所,2008.
[14]郭广生,唐芳琼.单分散ZnS及其复合颗粒的制备[J].无机化学学报,2000,16(3):493-496.
[15]邓意达,贺跃辉.Zn S光电材料制备技术的研究进展[J].粉末冶金材料科学与工程,2002,16(1):49-51.
[2]刘新书,刘艳丽.室温固相合成纳米ZnS及其气敏性能研究[J].无机材料学报,2002,17(4):817-821.
[3]朱金根.红外材料ZnS的生产及应用[J].上海有色金属,1988.
[4]胡志高,王根水,黄志明,等.Zn S头罩增透保护膜系制备[J].红外与毫米波学报,2001,20(3):203-206.
[5]郭延龙,陆益敏,黄国俊,等.Zn S衬底类金刚石复合增透保护膜系的制备[J].中国激光,2011,38(s1).
[6]Bhargava R N,Gallagher D,Hong X,et al.Optical properties of manganese-doped nanocrystals of Zn S[J].Physical Review Letters,1994,72(3):416-419.
[7]憨勇,刘正堂.8~14μm长波红外头罩材料[J].材料导报,1994(6):31-33.
[8]李小兵,田莳.ZnS纳米粒子的水热法和溶剂热法制备[J].压电与声光,2002,24(4):306-308.
[9]憨勇,郑修麟,刘正堂.ZnS的不同制备方法及性能的对比[J].材料导报,1995(4):35-38.
[10]Bredol M,Merikhi J.ZnS precipitation:morphology control[J].Journal of Materials Science,1998,33(2):471-476.
[11]Xu B S,Tanaka S I.Phase transformation and bonding of ceramic nanoparticles in a TEM[J].Nanostructured Materials,1995,6(5-8):727-730.
[12]Capek I.Preparation of metal nanoparticles in water-in-oil(w/o)microemulsions[J].Adv Colloid Interface Sci,2004,110(1):49-74.
[13]罗晶武.单分散ZnS纳米颗粒的制备与表征[D].中国科学院山西煤炭化学研究所,2008.
[14]郭广生,唐芳琼.单分散ZnS及其复合颗粒的制备[J].无机化学学报,2000,16(3):493-496.
[15]邓意达,贺跃辉.Zn S光电材料制备技术的研究进展[J].粉末冶金材料科学与工程,2002,16(1):49-51.