Hydrophobic Antireflective Silica Coatings via Sol-gel Process

被引：0
|
作者：
Pilipavicius, Jurgis [1 ]
Kazadojev, Ivan [1 ]
Beganskiene, Aldona [1 ]
Melninkaitis, Andrius [2 ]
Sirutkaitis, Valdas [2 ]
Kareiva, Aivaras [1 ]
机构：
[1] Vilnius State Univ, Dept Gen & Inorgan Chem, LT-03225 Vilnius, Lithuania
[2] Vilnius State Univ, Laser Res Ctr, LT-10222 Vilnius, Lithuania
来源：
MATERIALS SCIENCE-MEDZIAGOTYRA | 2008年 / 14卷 / 04期
关键词：
hydrophobic; antireflection coatings; colloidal silica nanoparticles; sol-gel synthesis; laser damage threshold;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optical properties and structure of hydrophobic antireflective coatings (AR) deposited from silica sol and HMDS and MTMS were characterized in detail in this study. The influence of sol modification parameters on the antireflective behaviour of coatings has been investigated. For the characterization of hydrophobic coatings the water contact angle measurements, UV-visible spectroscopy and atomic force microscopy were used. HMDS modified silica coating show the highest contact angle (165) due to its better hydrophobic covering. It was determined that the hydrophobic HMDS modified coatings reduced reflectance as well as unmodified silica AR coatings. The Nd:YAG laser damage threshold of AR modified silica coating exceeded 35 J/cm(2) at 1064 nm.
引用
收藏
页码：283 / 287
页数：5
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