Transparency of Hybrid Films Based on (γ-Methacrylpropyl)-trimethoxysilane and Its Validation by Computing Energy-band Structure

被引：0
|
作者：
Wang, Haiyan [1 ,2 ]
Wang, Di [3 ]
Zhu, Peng [1 ]
Hu, Lijiang [1 ]
机构：
[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
[2] Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150025, Peoples R China
[3] Northeast Forestry Univ, Mat Sci & Engn Coll, Harbin 50040, Peoples R China
来源：
FUNCTIONAL AND ELECTRONIC MATERIALS | 2011年 / 687卷
关键词：
Films; silsesquioxane; modification; sunlight; density of states; band structure; 3-DIMENSIONAL CONFIGURATIONS; NANOSTRUCTURAL BLOCKS;
D O I：
10.4028/www.scientific.net/MSF.687.778
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Using (gamma-methacrylpropyl)-trimethoxysilane (MPMS) modified with various amounts of tetraethoxysilane (TEOS) and titanium tetrabutoxide (TTB), two kinds of hybrid films, film-MPMS-silsesquioxane (SSO)-TEOS (f-MSTE) and film-MPMS-SSO-TTB (f-MSTT), were prepared. The average transparency (AT) of the modified films, about 90-94%, was measured in the ranges of the VIS light region (400-750 nm) and in the NIR region (750-2500 nm), indicating that these high-AT films can provide crops with growth energy and improvement of the photosynthetic process efficiency. Both TEOS and TTB adequate additions resulted in a hybrid structure (containing SiO2 and TiO2), and an addition can cause an increase in the AT radiation from sunlight. However, the AT of f-MSTE is higher than that of f-MSTT, which was validated using molecular dynamic simulation and calculation of the states density and the energy-band structure of MPMS-SSO, SiO2 and TiO2 building blocks.
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页码：778 / +
页数：2
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