Convenient synthesis and applications of gram scale boron nitride nanosheets

Liancheng Wang; Changhui Sun; Liqiang Xu

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Convenient synthesis and applications of gram scale boron nitride nanosheets

机译：方便的合成和革兰氏秤氮化硼纳米片的应用

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In this study, gram scale ultrathin (4 nm on average) boron nitride nanosheets (BNNSs) have been prepared through a simple route by using boron oxide, zinc powders and N2H4·2HCl in a stainless steel autoclave at 500 °C. The high thermal stability and high specific surface area (226 m2 g~(-1)) of these BNNSs enable them to be candidates for the high efficiency catalyst support. For example, monodispersed Pt and Au nanoparticles with mean diameters of ~4.0 and 3.3 nm were successfully loaded on the surfaces of BNNSs, respectively. The Au/BNNSs and Pt/BNNSs would be efficient catalysts in various reactions. It is found that the Pt/BNNSs catalysts towards CO conversion have shown lower full conversion temperature and higher stability. Besides, the gram scale BNNSs might have many other potential applications, such as in polymer composites with high thermal conductivity, electron field emission and the absorbent in gas/water purification.

机译：在这项研究中，革兰氏量表超薄（平均为4 nm）氮化硼纳米片（BNNSS）是通过在500°C下使用不锈钢高压灭菌器中使用的无氧化物，锌粉，锌粉和N2H4·2HCl通过简单的途径来制备的。这些BNNS的高热稳定性和高比表面积（226 m2 g〜（-1））使它们能够成为高效率催化剂支持的候选者。例如，平均直径为〜4.0和3.3 nm的单分散的PT和Au纳米颗粒分别成功地放在BNNS的表面上。 AU/BNNS和PT/BNNS将是各种反应中有效的催化剂。发现PT/BNNSS对CO转化的催化剂显示出较低的完整转化温度和较高的稳定性。此外，革兰氏量表BNNS可能具有许多其他潜在的应用，例如在具有高导热率的聚合物复合材料中，电子场发射和气体/水纯化中的吸收剂。

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来源
《Catalysis science & technology》 |2011年第7期|1119-1123|共5页
作者
Liancheng Wang; Changhui Sun; Liqiang Xu;
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作者单位

Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China.;

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原文格式 PDF
正文语种英语
中图分类汉语教学;
关键词
boron nitride; Chickpea; Nanosheetspolymer composite;

机译：氮化硼;鹰嘴豆;纳米片聚合物复合材料;

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Convenient synthesis and applications of gram scale boron nitride nanosheets

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