Orientation-controlled,low-temperature plasma growth and applications of h-BN nanosheets

查看全文 作　　者：Ivan Sergeevich [1,2]Merenkov;Mikhail Sergeevich [3]Myshenkov;Yuri Mikhailovich [3]Zhukov;Yohei [4]Sato;Tatyana Sergeevna [5,6,7]Frolova;Denis Vasilevich [3]Danilov;Igor Alekseevich [3]Kasatkin;Oleg Sergeevich [3]Medvedev;Roman Vladimirovich [1]Pushkarev;Olga Iva no vna Sin [5,7]itsyna;Masami [4]Terauchi;Irina Alekseev na [3]Zvereva;Marina Leonidovna [1]Kosinova;Ken [8,9]Ostrikov

机构地区：[1]Nikolaev Institute of Inorganic Chemistry SB RAS,Novosibirsk 630090,Russia;[2]Ural Federal University,Ekaterinburg 620002,Russia;[3]Saint-Petersburg State University,St.Petersburg 199034,Russia;[4]IMRAM,Tohoku University,Sendai 980-8577,Japan;[5]Institute of Cytology and Genetics SB RAS,Novosibirsk 630090,Russia;[6]Vorozhtsov Novosibirsk Institute of Organic Chemistry SB RAS,Novosibirsk 630090,Russia;[7]Novosibirsk State University,Novosibirsk 630090,Russia;[8]School of Physics,Chemistry and Mechanical Engineering,Queensland University of Technology,Brisbane QLD 4000,Australia;[9]CSIRO-QUT Joint Sustainable Processes and Devices Laboratory,P.O.Box 218,Lindfield.NSW 2070,Australia

出　　处：《Nano Research》索引2019年第12卷第1期,共9页

摘　　要：Dimensionality and orientation of hexagonal boron nitride(h-BN)nanosheets are promising to create and control their unique properties for diverse applications.However,low-temperature deposition of vertically oriented h-BN nanosheets is a significant challenge.Here we report on the low-temperature plasma synthesis of maze-like h-BN nanowalls(BNNWs)from a mixture of triethylamine borane(TEAB)and ammonia at temperatures as low as 400℃.The maze-like BNNWs contained vertically aligned stacks of h-BN nanosheets.Wavy h-BN nanowalls with randomly oriented nanocrystalline structure are also fabricated.Simple and effective control of morphological type of BNNWs by the deposition-mperature is demonstrated.Despite the lower synthesis temperature,thermal stability and oxidation resistivity of the maze-like BNNWs are higher than for the wavy nanowalls.The structure and oxidation of the nanowalls was found to be the critical factor for their thermal stability and con trolled luminescence properties.Cytotoxic study dem on strated sign ificant antibacterial effect of both maze-like and wavy h-BN nanowalls against E.coli.The reported results reveal a significant potential of h-BN nanowalls for a broad range of applications from electronics to biomedicine. 关键词：BORON NITRIDE NANOSHEETS nanowalls chemical vapor deposition CYTOTOXICITY light emission thermal stability

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Orientation-controlled,low-temperature plasma growth and applications of h-BN nanosheets

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