青岛科技大学  English 
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副教授 硕士生导师  

教师拼音名称:yujianhua

学历:博士研究生

学位:工学博士

职称:副教授

毕业院校:中科院上海硅酸盐研究所

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2020-06-08 青岛科技大学毕业生最喜爱的老师

2019-12-31 青岛科技大学先进工作者

2016-12-31 青岛科技大学先进工作者

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Carbon rods with hexa-branched structure and their formation mechanism

关键字:NANOTUBES; GROWTH

摘要:In this paper, hexa-branched carbon rods are synthesized by chemical vapor deposition (CVD) method, in which copper particles and acetylene are used as catalyst and carbon source, respectively. The most critical step is to disperse copper catalyst particles uniformly in carbon matrix, which is obtained by heat treatment of cross-linked polyacrylamide (PAM). The matrix structure effectively prevents the aggregation of catalyst particles during CVD process. Hexa-branched carbon rods have six pieces of sub-carbon rods with diameters ranging from 2 to 4 mu m. The growth mechanism of hexa-branched carbon rods is discussed briefly. (C) 2019 Elsevier B.V. All rights reserved.

卷号:262

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