Controlled synthesis of anisotropic hexagonal boron nitride nano-web

Ahmad, P. and Khandaker, M.U. and Shah, S.T. and Rehman, F. and Khan, G. and Muhammad, N. and Rehman, M.A. and Khan, A.S. and Ahmed, S.M. and Gulzar, M. and Numan, A. and Ali, H. (2017) Controlled synthesis of anisotropic hexagonal boron nitride nano-web. Materials Science in Semiconductor Processing, 66 . pp. 44-49.

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The assembly of one-dimensional (1D), two-dimensional (2D), and three-dimensional (3D) nanomaterial show entirely different properties than their individual counterparts. Since the shape of nanomaterials plays a crucial role in designing devices with desired applications, relentless efforts are on-going to obtain the parameters for controlling the shape of the final product. Present study concerns the synthesis and growth of a combined 2D and 3D structure of Hexagonal Boron Nitride Nanofibers Web (BNNFs-Web) from 1D structure of BNNFs. Magnesium catalytic layer deposited on Silicon substrate produces Web-like nucleation sites when etches with NH3 flow at 300 °C. The precursor's mixture of B, γ-Fe2O3 and MgO annealed at 500 °C uses these nucleation sites as a pattern, and grow BNNFs-Web in a unique 2D and 3D configuration at 1000 °C. XRD, Raman and FTIR spectroscopies confirmed the h-BN phase of the as-synthesized BNNFs-Web. This unique 2D and 3D material can offer distinguish features with improved properties as compared to other nanostructures of h-BN. Such a material can be a much better choice for its potential applications in different fields of bio-medical, microelectronic mechanical system and solid state neutron detectors. © 2017 Elsevier Ltd

Item Type:Article
Impact Factor:cited By 1
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:19427
Deposited By: Ahmad Suhairi
Deposited On:20 Apr 2018 00:47
Last Modified:20 Apr 2018 00:47

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