Synthesis of Highly Crystalline Multilayered Boron Niride Microflakes

被引:16
作者
Ahmad, Pervaiz [1 ]
Khandaker, Mayeen Uddin [1 ]
Amin, Yusoff Mohd [1 ]
Muhammad, Nawshad [2 ]
机构
[1] Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Malaysia
[2] COMSATS Inst Informat Technol, IRCBM, Lahore 54000, Pakistan
来源
SCIENTIFIC REPORTS | 2016年 / 6卷
关键词
NITRIDE NANOTUBES; GROWTH;
D O I
10.1038/srep21403
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Boron niride microflakes of 2-5 mu m in diameter and greater than 40 mu m in length with multilayer structure and highly crystalline nature are synthesized in two states of catalysts and dual role of nitrogen at 1100 degrees C. Most of the microflakes are flat, smooth and vertically aligned with a wall-like view from the top. Transmission electron microscopy shows overlapped layers of microflakes with an interlayer spacing of 0.34 nm. The h-BN components of the synthesized microflakes are verified from B 1s and N1 s peaks at 190. 7 and 397.9 eV. Raman shift at 1370 (cm(-1)) and sharp peaks in the XRD pattern further confirm the h-BN phase and crystalline nature of the synthesized microflakes. Microflakes of h-BN with the above characteristics are highly desirable for the development of a solid state neutron detector with higher detection efficiency.
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页数:6
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