NDLI: Fabrication of copper nanorods by low-temperature metal organic chemical vapor deposition

Content Provider	Springer Nature Link
Author	Zhang, Ying Lam, Frank Leung Yuk Hu, Xijun Yan, Zifeng
Copyright Year	2006
Abstract	Copper nanorods have been synthesized in mesoporous SBA-15 by a low-temperature metal organic chemical vapor deposition (MOCVD) employing copper (II) acetylacetonate, Cu(acac)$_{2}$, and hydrogen as a precursor and reactant gas, respectively. The hydrogen plays an important role in chemical reduction of organometallic precursor which enhances mass transfer in the interior of the SBA-15 porous substrate. Such copper nanostructures are of great potentials in the semiconductor due to their unusual optical, magnetic and electronic properties. In addition, it has been found that chemically modifying the substrate surface by carbon deposition is crucial to such synthesis of copper nanostructures in the interior of the SBA-15, which is able to change the surface properties of SBA-15 from hydrophilic to hydrophobic to promote the adsorption of organic cupric precursor. It has also been found that the copper nanoparticles deposited on the external surface are almost eliminated and the copper nanorods are more distinct while the product was treated with ammonia. This approach could be achieved under a mild condition: a low temperature (400°C) and vacuum (2 kPa) which is extremely milder than the conventional method. It actually sounds as a foundation which is the first time to synthesize a copper nanorod at a mild condition of a low reaction temperature and pressure.
Starting Page	2662
Ending Page	2668
Page Count	7
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	51
Issue Number	21
e-ISSN	18619541
Language	English
Publisher	Science in China Press
Publisher Date	2006-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	copper nanorods chemical vapour deposition organic metal decomposition in low temperature Science Chemistry/Food Science Geosciences Life Sciences Physics Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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