Oxygen Radical Functionalization of Boron Nitride Nanosheets

被引：507

作者：

Sainsbury, Toby ^{[1
,2
]}

Satti, Amro ^{[1
,3
]}

May, Peter ^{[1
,2
]}

Wang, Zhiming ^{[1
,2
]}

McGovern, Ignatius ^{[1
,2
]}

Gun'ko, Yurii K. ^{[1
,3
]}

Coleman, Jonathan ^{[1
,2
]}

机构：

[1] Trinity Coll Dublin, CRANN, Dublin 2, Ireland

[2] Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland

[3] Trinity Coll Dublin, Sch Chem, Dublin 2, Ireland

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 45期

基金：

欧洲研究理事会;

关键词：

GRAPHENE OXIDE; CARBON NANOTUBES; EXFOLIATION; CHEMISTRY; FILMS; SPECTROSCOPY; NANORIBBONS; GRAPHITE; POLYMERS; SHEETS;

D O I：

10.1021/ja3080665

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The covalent chemical functionalization of exfoliated hexagonal boron-nitride nanosheets (BNNSs) is achieved by the solution phase oxygen radical functionalization of boron atoms in the h-BN lattice. This involves a two step procedure to initially covalently graft alkoxy groups to boron atoms and the subsequent hydrolytic defunctionalization of the groups to yield hydroxyl-functionalized BNNSs (OH-BNNSs). Characterization of the functionalized-BNNSs using HR-TEM, Raman, UV-vis, FTIR, NMR, and TGA was performed to investigate. both the structure of the BNNSs and the covalent functionalization methodology. OH-BNNSs were used to prepare polymer rianocomposites and their mechanical properties analyzed. The influence of the functional groups grafted to the surface of the BNNSs is investigated by demonstrating the impact on mechanical, properties of both noncovalent and covalent bonding at the interface between the nanofiller and polymer matrixes.

引用

页码：18758 / 18771

页数：14

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