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Refractive Index of Double-layer TiO2-SiO2/SiO2 Composite Thin Films Prepared via Sol-Gel Method
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Liyun MA, Liangmao JIN, Yongkang TANG, Tian BAO, Wenjing SU, Zhiping GAN, Gang LI
Journal of the Chinese Ceramic Society | 2020, 48(4) : 470 - 476
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Journal of the Chinese Ceramic Society | 2020, 48(4): 470-476
Refractive Index of Double-layer TiO2-SiO2/SiO2 Composite Thin Films Prepared via Sol-Gel Method
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Liyun MA, Liangmao JIN, Yongkang TANG, Tian BAO, Wenjing SU, Zhiping GAN, Gang LI
Affiliations
  • State Key Laboratory of Advanced Technology for Float Glass, Bengbu Design & Research Institute for Glass Industry, Bengbu 233000, Anhui, China

    • MA Liyun (1964-), male, Professor. E-mail:

About Author:

MA Liyun (1964-), male, Professor. E-mail:

Published: 2020-04-20 doi: 10.14062/j.issn.0454-5648.20190451
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Double-layer TiO2-SiO2/SiO2 composite anti-reflective thin films with W transmittance line type were prepared by a sol-gel method, and the refractive index of TiO2 and composite TiO2-SiO2 thin films was regulated. The preparation condition on the TiO2 thin film refractive index was investigated. The phase, film components, refractive index and transmittance of the films were characterized by field emission scanning electron microscopy, energy disperse spectroscopy, ellipsometry and ultraviolet-visible-infrared spectrophotometry, respectively. The transmittance line type of double-layer composite films was simulated by a software named TFcal. The results show that the pH value of sol system is more crucial to the refractive index of TiO2 thin films, and the refractive index decreases when the pH value increases, compared to the ratio of H2O/Ti. Meanwhile, the pH value derived hydrolysis rate has an effect on the refractive index of the final film. The composite TiO2-SiO2 films used as the bottom layer of the films system are obtained when the mixture mole ratio of Ti/Si is 1.2∶1.0 and the refractive index is 1.68. The double-layer TiO2-SiO2/SiO2 composite thin films obtained have an antireflection effect in the wide optical wavelength range of 380-1 100 nm, and the maximum transmittance can reach to 97%.

anti-reflective films  /  refractive index  /  optical transmittance  /  W transmittance line type
马立云, 金良茂, 汤永康, 鲍田, 苏文静, 甘治平, 李刚. TiO2-SiO2/SiO2双层复合薄膜制备及折射率调控. 硅酸盐学报, 2020 , 48 (4) : 470 -476 . DOI: 10.14062/j.issn.0454-5648.20190451
Liyun MA, Liangmao JIN, Yongkang TANG, Tian BAO, Wenjing SU, Zhiping GAN, Gang LI. Refractive Index of Double-layer TiO2-SiO2/SiO2 Composite Thin Films Prepared via Sol-Gel Method[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (4) : 470 -476 . DOI: 10.14062/j.issn.0454-5648.20190451
Appendix
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Year 2020 volume 48 Issue 4
38
11
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Article Info
doi: 10.14062/j.issn.0454-5648.20190451
  • Receive Date：2019-07-01
  • Online Date：2026-10-29
  • Published：2020-04-20
Article Data
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History
  • Received：2019-07-01
  • Revised：2019-11-05
Funding
Affiliations
    State Key Laboratory of Advanced Technology for Float Glass, Bengbu Design & Research Institute for Glass Industry, Bengbu 233000, Anhui, China

Corresponding:

TANG Yongkang (1990-), male, Engineer. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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