Chemical Synthesis of Niobium Diboride Nanosheets by a Solid-State Reaction Route


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Abstract

A new process was developed to synthesize niobium diboride (NbB2) nanosheets with the dimension of about 500 nm and thickness of about 10 nm by using metal niobium, iodine and sodium borohydride as starting materials in an stainless steel autoclave at 700°C. Iodine was used to facilitate the exothermic reaction between metal niobium and sodium borohydride and the formation of NbB2. X-ray powder diffraction pattern indicated that the obtained product is hexagonal phase NbB2 with the calculated lattice constants a = 110 Å and c = 3.2929 Å. The obtained product was also studied by thermogravimetric analysis. It had good oxidation resistance below 400°C in air.

About the authors

Liangbiao Wang

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Author for correspondence.
Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Qianli Shen

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Hengfei Qin

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Dejian Zhao

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Weiqiao Liu

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Jianhua Sun

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Binglong Zhu

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

Quanfa Zhou

Jiangsu Key Laboratory of Precious Metals Chemistry and Engineering, School of Chemistry and Environment Engineering

Email: lbwang@jsut.edu.cn
China, Changzhou, 213001

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