A Bulk Dielectric Polymer Film with Intrinsic Ultralow Dielectric Constant and Outstanding Comprehensive Properties

被引：174

作者：

Liu, Yiwu ^{[1
,2
,4
]}

Qian, Chao ^{[1
,2
]}

Qu, Lunjun ^{[1
,2
]}

Wu, Yunan ^{[1
,2
]}

Zhang, Yi ^{[1
,2
]}

Wu, Xinhui ^{[1
,2
]}

Zou, Bing ^{[3
]}

Chen, Wenxin ^{[1
,2
]}

Chen, Zhiquan ^{[3
]}

Chi, Zhenguo ^{[1
,2
]}

Liu, Siwei ^{[1
,2
]}

Chen, Xudong ^{[1
,2
]}

Xu, Jiarui ^{[1
,2
]}

机构：

[1] Sun Yat Sen Univ, PCFM Lab, Guangdong Engn Technol Res Ctr High Performance O, State Key Lab Optoelect Mat & Technol,Sch Chem &, Guangzhou 510275, Guangdong, Peoples R China

[2] Sun Yat Sen Univ, GD HPPC Lab, Guangdong Engn Technol Res Ctr High Performance O, State Key Lab Optoelect Mat & Technol,Sch Chem &, Guangzhou 510275, Guangdong, Peoples R China

[3] Wuhan Univ, Dept Phys, Hubei Nucl Solid Phys Key Lab, Wuhan 430072, Hubei, Peoples R China

[4] Hunan Univ Technol, Key Lab New Mat & Technol Packaging, Zhuzhou, Peoples R China

来源：

CHEMISTRY OF MATERIALS | 2015年 / 27卷 / 19期

基金：

中国国家自然科学基金;

关键词：

LOW-K DIELECTRICS; ATOMIC LAYER DEPOSITION; THIN-FILMS; TEMPERATURE-DEPENDENCE; MESOPOROUS SILICA; ZEOLITE FILMS; SIDE-CHAINS; FREE-VOLUME; POLYIMIDE; NANOPARTICLES;

D O I：

10.1021/acs.chemmater.5b01798

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A bulk dielectric polymer film with an intrinsic ultralow k value of 1.52 at 10 kHz has been successfully synthesized based on a novel polyimide FPTTPI. More importantly, such outstanding dielectric properties remain stable up to 280 degrees C. The excellent ultralow dielectric properties are mainly because of the larger free volume (subnanoscale), which intrinsically exists in the amorphous region of polymeric materials. Meanwhile, FPTTPI also shows excellent thermal stability and mechanical properties, with a glass-transition temperature (T-g) of 280 degrees C, 5 wt % loss temperature of 530 degrees C, and a residual of 63% at 800 degrees C under N-2. It was soluble in common solvents, which made it possible to undergo simple spin-on or efficient, low-cost, and continuous roll-to-roll processes.

引用

页码：6543 / 6549

页数：7

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