Microplasma Processed Ultrathin Boron Nitride Nanosheets for Polymer Nanocomposites with Enhanced Thermal Transport Performance

被引：85

作者：

Zhang, Ri-Chao ^{[1
,2
,3
]}

Sun, Dan ^{[2
]}

Lu, Ai ^{[4
]}

Askari, Sadegh ^{[5
]}

Macias-Montero, Manuel ^{[3
]}

Joseph, Paul ^{[6
]}

Dixon, Dorian ^{[3
]}

Ostrikov, Kostya ^{[7
,8
]}

Maguire, Paul ^{[3
]}

Mariotti, Davide ^{[3
]}

机构：

[1] Zhejiang Univ, Dept Chem & Biol Engn, Hangzhou 310002, Zhejiang, Peoples R China

[2] Queens Univ Belfast, Sch Mech & Aerosp Engn, Belfast BT7 1NN, Antrim, North Ireland

[3] Univ Ulster, Nanotechnol & Integrated Bioengn Ctr NIBEC, Newtownabbey BT37 0QB, North Ireland

[4] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Sichuan, Peoples R China

[5] Linkoping Univ, Dept Phys Chem & Biol IFM Plasma & Coatings Phys, S-58183 Linkoping, Sweden

[6] Victoria Univ, Coll Engn & Sci, Ctr Environm Safety & Risk Engn CESARE, Room 4206,Level 2,Bldg 4 Hoppers Lane, Melbourne, Vic 3030, Australia

[7] Queensland Univ Technol, Sch Chem Phys & Mech Engn, Brisbane, Qld 4000, Australia

[8] CSIRO, Joint CSIRO QUT Sustainable Mat & Devices Lab, POB 218, Lindfield, NSW 2070, Australia

来源：

ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 21期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

boron nitride; microplasma; thermal transport; exfoliation; phonon; polymer nanocomposites; POLYIMIDE FILMS; PARTICLE-SIZE; CONDUCTIVITY; COMPOSITES; GRAPHENE; HYBRID; EXFOLIATION; CONVERSION; NANOTUBES; INSIGHTS;

D O I：

10.1021/acsami.6b01531

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This Research Article reports on the enhancement of the thermal transport properties of nanocomposite materials containing hexagonal boron nitride in poly(vinyl alcohol) through room-temperature atmospheric pressure direct-current microplasma processing. Results show that the microplasma treatment leads to exfoliation of the hexagonal boron nitride in isopropyl alcohol, reducing the number of stacks from >30 to a few or single layers. The thermal diffusivity of the resulting nanocomposites reaches 8.5 mm(2) s(-1) times greater than blank poly(vinyl alcohol) and twice that of nanocomposites containing nonplasma treated boron nitride nanosheets. From TEM analysis, we observe much less aggregation Of the nanosheets after plasma processing along with indications of an amorphous carbon interfacial layer, which may contribute to stable dispersion of boron nitride nanosheets in the resulting plasma treated colloids.

引用

页码：13567 / 13572

页数：6

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