共 41 条
Porous Siloxane-Organic Hybrid with Ultrahigh Surface Area through Simultaneous Polymerization-Destruction of Functionalized Cubic Siloxane Cages
被引:112
作者:

Chaikittisilp, Watcharop
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

Kubo, Masaru
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h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

Moteki, Takahiko
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h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

Sugawara-Narutaki, Ayae
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

Shimojima, Atsushi
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h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan

Okubo, Tatsuya
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
机构:
[1] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
基金:
日本学术振兴会;
关键词:
HYDROGEN STORAGE;
BUILDING-BLOCKS;
SOL-GEL;
POLYMERS;
NETWORKS;
OCTAVINYLSILSESQUIOXANE;
DERIVATIVES;
SEPARATION;
D O I:
10.1021/ja2046556
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A novel hierarchically porous, hyper-cross-linked siloxane organic hybrid (PSN-5) has been synthesized by Friedel-Crafts self-condensation of benzyl chloride-terminated double-four-ring cubic siloxane cages as a singular molecular precursor. Simultaneous polymerization of the organic functional groups and destruction of the siloxane cages during synthesis yielded PSN-5, which has an ultrahigh BET surface area (similar to 2500 m(2) g(-1)) and large pore volume (similar to 3.3 cm(3) g(-1)) that to our knowledge are the highest values reported for siloxane-based materials. PSN-5 also shows a high H-2 uptake of 1.25 wt % at 77 K and 760 Torr.
引用
收藏
页码:13832 / 13835
页数:4
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