Synthesized few-layers hexagonal boron nitride nanosheets
Synthesized few-layers hexagonal boron nitride nanosheets作者机构：School of Material Science and Engineering National Demonstration Center for Experimental Function Materials EducationKey Laboratory of Display Materials and Photoelectric Devices of Ministry of Education of Ministry of EducationKey Laboratory for Optoelectronic Materials and Devices of Tianjin Tianjin University of Technology Tianjin Vocational Institute
出 版 物：《Chinese Physics B》 (中国物理B（英文版）)
年 卷 期：2018年第27卷第1期
页 面：424-429页
核心收录：
基 金：Project supported by the National Natural Science Foundation of China(Grant No.11504266) the Tianjin Natural Science Foundation,China(Grant No.17JCQNJC02300) the National Key Foundation for Exploring Scientific Instrument,China(Grant No.2014YQ120351)
主 题：boron nitride few layers nanosheets
摘 要：The hexagonal boron nitrides （BNs） with different morphologies are synthesized on a large scale by a simple route using a two-step synthetic process. The morphology of h-BN can be easily controlled by changing the heat-treatment atmosphere. The whiskers with 0.5-10 μm in diameter and 50-100 μm in length consist of few-layers nanosheets in the NH3 gas. The BN nanosheets can be dissociated from the whiskers by ultrasonic treatment, which are less than 5 nm in thickness and even only two layers thick. The concentration and activity of N play an important rule, and abundant N and higher activity are conducive for refining grain in reaction. The H3BO3 and C3N6H6 molecules form a layer-like morphology with the interlinked planar triangle by a hydrogen-bonded structure.
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