Article: Oxygen Radical Functionalization of Boron Nitride Nanosheets
Journal of the American Chemical Society. 2012 Nov. 14, v. 134, no. 45
2012
Abstract: The covalent chemical functionalization of exfoliated hexagonal boronânitride 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 ... ...
| Abstract | The covalent chemical functionalization of exfoliated hexagonal boronânitride 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, UVâvis, 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 nanocomposites 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. |
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| Keywords | boron ; boron nitride ; chemical bonding ; Fourier transform infrared spectroscopy ; mechanical properties ; nanosheets ; nuclear magnetic resonance spectroscopy ; polymer nanocomposites ; polymers ; reactive oxygen species ; transmission electron microscopy | ||||||||||
| Language | English | ||||||||||
| Dates of publication | 2012-1114 | ||||||||||
| Size | p. 18758-18771. | ||||||||||
| Publishing place | American Chemical Society | ||||||||||
| Document type | Article | ||||||||||
| ZDB-ID | 3155-0 | ||||||||||
| ISSN | 1520-5126 ; 0002-7863 | ||||||||||
| ISSN (online) | 1520-5126 | ||||||||||
| ISSN | 0002-7863 | ||||||||||
| DOI | 10.1021%2Fja3080665 | ||||||||||
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| Database | NAL-Catalogue (AGRICOLA) |
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