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首页> 外文期刊>European Chemical Bulletin >GRADIENT AND LAYERED BORON NITRIDE FORMATION UNDER EFFECT OF CONCENTRATED LIGHT IN A FLOW OF NITROGEN
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GRADIENT AND LAYERED BORON NITRIDE FORMATION UNDER EFFECT OF CONCENTRATED LIGHT IN A FLOW OF NITROGEN

机译：氮流中集中光作用下的梯度和层状氮化硼形成

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摘要

Results of the effect of concentrated light energy in a xenon high-flux optical furnace on transformation of boron nitride (BN) and boron (B) powders in a flow of nitrogen are presented. Raman, Auger Electron (AES), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning and transmission electron microscopes (SEM and TEM), the measurement of band gap using transmittance technique have been employed for investigation of the properties of produced nanostructures. According Raman, AES and FTIR study the surface of all prepared nanopowders is composed of BN. XRD disclosed pure amorphous boron inside particle. Gradient transformation pure boron to BN in the framework of one particle as well as layered nanostructure was observedby TEM study. Dependence of a square of the optical absorption coefficient for a deposited BN film versus the photon energy of incident light has confirmedagradient and layered nature of the prepared BN nanostructures.
机译：给出了氙高通量光学炉中集中光能对氮流中氮化硼（BN）和硼（B）粉末转化的影响的结果。拉曼，俄歇电子（AES），傅立叶变换红外光谱（FTIR），X射线衍射（XRD），扫描和透射电子显微镜（SEM和TEM），使用透射率技术测量带隙已用于研究产生的纳米结构的性质。据拉曼说，AES和FTIR研究了所有制备的纳米粉的表面均由BN组成。 XRD披露了内部纯非晶硼。通过TEM研究观察到在一个颗粒的框架内以及层状纳米结构的梯度下，纯硼向BN的梯度转变。对于沉积的BN膜的光吸收系数的平方与入射光的光子能量的关系，已经证实了所制备的BN纳米结构的梯度和分层性质。

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