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SEVAL HALE GÜLER1,*
The liquid-phase exfoliation method is one of the easiest methods for the production of nanosheets. The amount of product manufactured with this method is relatively low. The hexagonal boron nitride (h-BN) powders were subjected to the milling process as pre-treatment to obtain higher rate of the product. The shear type stresses were applied for the milling process. The milled powders produced were mixed in an acid mixture at the first and then exposed to the heat treatment at high temperature to increase the distance between h-BN layers. The samples obtained after these processes were mixed in a solvent with the help of ultrasonic homogenizer to synthesize boron nitride nanosheets (BNNSs). The microstructure analysis of the products obtained was carried out in Transmission Electron Microscope (TEM), and they were examined in Raman Spectroscopy and UV-Vis spectroscopy. It was observed that BNNSs formed in the structure containing h-BN, amorphous BN, thick BN sheet. In addition, the amorphous boron nitride structures were also encountered in the structure. In the liquid-phase exfoliation process assisted by milling process, the impact of the milling on efficiency of the product did not reach to the expected level. Moreover, it resulted in formation of amorphous structures deteriorating the purity of structure..
Liquid-Phase Exfoliation, Ball Mill, Boron Nitride Nanosheet (BNNS).
SEVAL HALE GÜLER, The production of boron nitride nanosheets using liquid-phase exfoliation assisted by ball milling process, Optoelectronics and Advanced Materials - Rapid Communications, 12, 11-12, November-December 2018, pp.754-758 (2018).
Submitted at: Jan. 26, 2018
Accepted at: Nov. 29, 2018
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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