期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 112, 期 2, 页码 500-503出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2008.06.015
关键词
Hydrogel; Self-assembly; CuS nanoribbons and template
资金
- National Nature Science Foundation of China (NNSFC) [20574027]
- New Century Excellent Talents University (NCET)
- Fujian Science and Technology Committee [2006F3129]
Copper sulfides were synthesized by using the low-molecular-mass hydrogel nanofibers self-assembled from a L-glutamic acid derivative. The as-prepared copper sulfides showed a nanoribbon structure with diameter of 30-70 nm and lengths of 1-10 mu m. The investigation of FT-IR absorption spectra and XRD pattern for the neat hydrogel and composite gel suggested that H-bonding was the main driving force to help the formation of ordered nanofibers of the hydrogel and the composite gel. The resulted mineralization indicated that the inorganic ions (Cu2+) were firstly coordinated to the carboxylate anions (COO-). With the penetration of H2S, the preformed CuS nanoparticles on the surface of the fibers acted as the growing points for the continuous growth. (C) 2008 Elsevier B.V. All rights reserved.
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