共查询到19条相似文献,搜索用时 187 毫秒
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基于蓝宝石玻璃在手表上的应用,在蓝宝石玻璃上制备了真空蒸发镀增透膜,研究了MgF2、Al2O3–MgF2、Al2O3–H4–Al2O3–MgF2(H4为LaCO3、TiO2等的混合物)、Al2O3–H4–Al2O3–H4–Al2O3–MgF2等4种不同膜层结构的增透膜对表玻的可见光透过率、耐磨性能和化学耐久性的影响。结果表明,蓝宝石衬底上镀单层及多层增透膜后,可见光透过率均得到较大提升。镀单层MgF2后,蓝宝石玻璃在420~780 nm波段的平均透光率从镀膜前的87.208%提高到90.610%;镀Al2O3–H4–Al2O3–H4–Al2O3–MgF2多层膜后,玻璃在可见光波段内的透光率较均匀,其平均透光率增加至91.208%,而且玻璃的耐磨性和化学耐久性均较好。 相似文献
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《中国陶瓷工业》2019,(1)
在可见光及近红外光波段(400-1100 nm),选用Ti_3O_5、SiO_2、MgF_2三种镀膜材料,构成10层膜系结构,利用Willey减反射膜经验公式,计算得到理论的平均反射率为0.46%,其优化后为0.5%。进一步优化膜层结构、离子源辅助镀膜和电子束蒸发装置,在低折射率基板K9玻璃表面制备10层结构的超宽带减反射膜。实测结果表明,减反射膜在400-1100 nm波段的平均反射率为0.56%,满足宽波段增透膜的高透过性需求;环测表明:薄膜牢固度、机械强度、抗恶劣环境性能优越,连续生产的光学及表面性能稳定,达到民用、军用影像系统对于可见至近红外波段高透过性的要求。 相似文献
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1减反射玻璃定义科学出版社出版的《材料科学技术名词》(2011版)中对减反射玻璃所做的定义是:减反射玻璃(anti-reflective glass)是将玻璃表面单面或双面经过特殊覆膜工艺处理,透过率达80%以上,反射率小于3%的玻璃,有对光线近程高透光、远程漫反射的特性. 相似文献
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《建筑玻璃与工业玻璃》2020,(2):51-52
一种中透灰色可钢双银低辐射镀膜玻璃公开(公告)号:CN209010387U公开(公告)日:2019.06.21申请(专利权)人:咸宁南玻节能玻璃有限公司本实用新型提供了一种中透灰色可钢双银低辐射镀膜玻璃,属于磁控溅射镀膜技术领域,本实用新型中;通过对玻璃镀膜层的优化设计,提高了镀膜玻璃透过率、耐氧化能力;一种中透灰色可钢双银低辐射镀膜玻璃,包括玻璃基片层和镀膜层。 相似文献
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非晶硅太阳能电池背反ZnO:Al薄膜制备 总被引:1,自引:0,他引:1
以ZnO:Al(2%Al2O3,质量分数)为靶材,用射频磁控溅射在玻璃衬底上制备ZnO:Al薄膜,分析了各沉积参数对薄膜光电性能的影响。结果表明:溅射功率对ZnO:Al的透过率影响最大,其次是反应腔室压力,而衬底温度对透过率几乎没有影响。ZnO:Al的电阻率主要取决于衬底温度和溅射功率。综合考虑透过率和电阻率,确定了背反ZnO:Al的最佳沉积参数(衬底温度为200℃,溅射功率为200W,反应腔室压力为0.6Pa),得到了透过率大于85%,电阻率最小为7.6×10-4Ωcm的ZnO:Al薄膜。制备了ZnO:Al/Ag/ss(stainless steel)背反电极,并将其用于非晶硅太阳能电池。与无背反的不锈钢衬底上的电池相比,非晶硅太阳能电池短路电流密度增加了16%。 相似文献
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Corey Seth Thompson 《Journal of Adhesion Science and Technology》2013,27(10):943-953
The uniformity of silica nanoparticle antireflective coatings deposited from aqueous solutions on glass substrates is limited by the high surface tension and low evaporation rate of water. In this work, thin films of polyvinylpyrrolidone (PVP) were utilized as an adhesion layer to increase the uniformity and optical transmittance of silica nanoparticle coatings. The increase in adhesive force caused by the presence of the PVP layer was measured using atomic force microscopy (AFM). The micro- and nanoscale uniformities of silica nanoparticle films with and without PVP adhesion layers were characterized using scanning electron microscopy and AFM. It was found that a thin PVP adhesion layer provides the adhesion required to form uniform films of silica nanoparticles. Solar weighted transmittance of 97.6% over a wavelength range of 330–1000 nm was achieved with soda-lime glass substrates coated on both sides. 相似文献
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在酸或碱催化体系中以正硅酸乙酯为原料,在全玻璃真空太阳能集热管所用外管(厚度为1.8 mm)3.3高硼硅玻璃内外壁采用提拉法镀上增透SiO2膜,对比研究了不同pH值的SiO2溶胶对薄膜增透和亲水性能的影响,并分析和讨论了原因。实验发现,制备的镀有碱性SiO2膜层的样品表现出更明显的增透效果,在550 nm波长处,当光垂直入射时增透6%~7%,同时玻璃管外壁表现出较好的亲水性,对水接触角最小可达16°。制成的镀碱性SiO2薄膜的全玻璃真空太阳能集热管在同等光照条件下能提高空晒温度3~5℃。 相似文献
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Junpeng Gao 《Polymer》2010,51(12):2683-18033
We demonstrated a method of fabricating antireflective coatings based on the self-assembly of supramolecular block copolymer formed by polystyrene terminated with carboxyl (PS-COOH) and poly(methyl methacrylate) terminated with amine (PMMA-NH2) via hydrogen bonding. Different porous films were generated by selectively removing PS-COOH from the spin-coated films with a selective solvent, cyclohexane, under different conditions. The refractive index of such porous film can be tuned from 1.49 down to 1.26 by controlling the thickness of the porous film. For the porous layer with n ˜ 1.26, the light transmittance of the glass about 97.93% was achieved in the visible range (λ ˜ 574 nm). By varying the solution concentration and exposing time in cyclohexane, inhomogeneous three-layered porous films were generated: top and bottom layers with high porosities and the middle layers with lower porosities, respectively. The light transmittance of the glass coated with this inhomogeneous film was about 98.00% in the near-infrared region corresponding to wavelength between 800 and 1400 nm. The wavelength region of the broadband antireflective films with high transmittance more than 99.00% can be fine tuned to 1200-2000 nm with increasing the film thickness. 相似文献
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以正硅酸乙酯(TEOS)为前驱体,三嵌段共聚物(F127)为模板剂,利用酸催化的形式通过溶胶-凝胶法制备介孔二氧化硅增透膜液。采用浸渍提拉法在硼硅玻璃基片上进行镀膜,利用马弗炉对膜层进行固化处理。采用紫外可见分光光度计、电导率仪对膜的透过性能及膜液的电学性能进行分析。结果表明,溶剂在6个月的长期挥发下会导致膜液电导率由243 μS/cm增大到266 μS/cm,相同的提拉速度会使得膜层变厚,透过率峰值出现“红移”现象,300~2 500 nm的平均透光率由96.7%降为96.0%。通过对实验所得数据进行拟合可知,膜液电导率与二氧化硅浓度成简单的线性关系,与最优提拉速度成单指数函数关系,使用膜液电导率对标稀释的方法可使所镀膜层透过率得到恢复,能在不影响生产效率的前提下保证膜层产品的一致性。 相似文献