Thermally stable transparent sol-gel based active siloxane-oligomer materials with tunable high refractive index and dual reactive groups

Chen Mei; Zhang Guoyan; Liang Xiao; Zhang Wanshu; Zhou Le; He Baofeng; Song Ping; Yuan Xiao; Zhang Cuihong; Zhang Lanying; Yu Haifeng; Yang Huai

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Thermally stable transparent sol-gel based active siloxane-oligomer materials with tunable high refractive index and dual reactive groups

机译：基于热稳定的透明溶胶 - 凝胶的活性硅氧烷 - 低聚物材料，具有可调谐高折射率和双反应基团

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In this paper, a series of novel active silicone-oligomers (PMDM) of high refractive index (RI) with dual reactive moieties (Si-H and S-H) synthesized by nonhydrolytic sol-gel condensation are reported for the first time. The RI of the oligosiloxane can be effectively increased from 1.55 to 1.65 by varying the feed ratio between methyldimethoxysilane (MDMS) and 3-mercaptopropylmethyldimethoxysilane (MMDS). Additionally, via "thiol-ene" click chemistry and the subsequent hydrosilylation reaction under a Pt catalyst, a transparent siloxane-polymer film with enhanced refractive index (1.59) and excellent thermal stability (T-5% = 381 degrees C) was facilely synthesized and characterized, which in turn effectively substantiated the reactivity of the dual reactive moieties in PMDM. Such active oligomers would be useful chemical intermediates and the easily processed materials have great potential in modern optical/photonic applications such as waveguides, lasers or light emitting diodes.

机译：本文首次报道了通过非水溶性溶胶 - 凝胶缩合合成的双反应性部分（Si-H和S-H）的一系列新型活性硅氧烷 - 低聚物（PMDM）的高折射率（RI）。通过改变甲基二甲氧基硅烷（MDMS）和3-巯基丙基甲基二甲氧基硅烷（MMD）之间的进料比，可以从1.55至1.65有效地增加寡硅氧烷的RI。另外，通过“硫醇-NEE”在PT催化剂下单击化学和随后的氢化硅烷化反应，透明硅氧烷 - 聚合物膜具有增强的折射率（1.59）和优异的热稳定性（T-5％= 381℃），得到合成并表征，这反过来有效地证实了PMDM中双反应性部分的反应性。这种活性低聚物将是有用的化学中间体，并且易于加工的材料在现代光/光子应用中具有很大的潜力，例如波导，激光或发光二极管。

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来源
《RSC Advances》 |2016年第75期|共7页
作者
Chen Mei; Zhang Guoyan; Liang Xiao; Zhang Wanshu; Zhou Le; He Baofeng; Song Ping; Yuan Xiao; Zhang Cuihong; Zhang Lanying; Yu Haifeng; Yang Huai;
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作者单位

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

Peking Univ Coll Engn Dept Mat Sci &

Engn Beijing 100871 Peoples R China;

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中图分类化学;
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1. Thermally stable transparent sol-gel based active siloxane-oligomer materials with tunable high refractive index and dual reactive groups [J] . Chen Mei, Zhang Guoyan, Liang Xiao, RSC Advances . 2016,第75期

机译：基于热稳定的透明溶胶 - 凝胶的活性硅氧烷 - 低聚物材料，具有可调谐高折射率和双反应基团
2. Thermally stable transparent sol–gel based active siloxane–oligomer materials with tunable high refractive index and dual reactive groups [J] . Mei Chen, Guoyan Zhang, Xiao Liang, RSC Advances . 2016,第75期

机译：基于热稳定的透明溶胶 - 凝胶的活性硅氧烷 - 低聚物材料，具有可调谐高折射率和双反应基团
3. Thermally Stable Transparent Sol-Gel Based Siloxane Hybrid Material with High Refractive Index for Light Emitting Diode (LED) Encapsulation [J] . Joon-Soo Kim, SeungCheol Yang, Byeong-Soo Bae Chemistry of Materials: A Publication of the American Chemistry Society . 2010,第11期

机译：具有高折射率的热稳定透明溶胶-凝胶基硅氧烷混合材料，用于发光二极管（LED）封装
4. Highly Transparent and Thermally Stable Photoreactive Polymers [C] . Jun Young Lee, Sung Bum Lee, Myong Soo Choi PMSE Symposia . 2002

机译：高度透明和热稳定的光反应性聚合物
5. Novel Liquid-Like Nanoscale Hybrid Materials with Tunable Chemical and Physical Properties as Dual-Purpose Reactive Media for Combined Carbon Capture and Conversion [D] . Gao, Ming. 2018

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6. An Electrically Tunable Dual-Wavelength Refractive Index Sensor Based on a Metagrating Structure Integrating Epsilon-Near-Zero Materials [O] . Zhenya Meng, Hailin Cao, Run Liu, 2020

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Thermally stable transparent sol-gel based active siloxane-oligomer materials with tunable high refractive index and dual reactive groups

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