Journal
APPLIED SURFACE SCIENCE
Volume 256, Issue 23, Pages 7335-7338Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.05.029
Keywords
Cuprous oxide; Hollow microsphere; Nanomaterials; Crystal growth
Categories
Funding
- International Cooperation MOST-JST [2010DFA61410]
- National Natural Science Foundation of China [50802013]
- Research Fund for Doctoral Program of Higher Education [200806141019]
- State Key Lab of New Ceramics & Fine Processing
- UESTC [JX0722]
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Cuprous oxide hollow spheres have potential applications in drug-delivery carriers, biomedical diagnosis agents, and cell imaging. From a commercial point of view, the low-temperature, template-free, facile method is widely popular synthetic method for the synthesis of cuprous oxide hollow spheres. In this letter, we describe a novel facile template-free wet-chemical route to prepare crystallized cuprous oxide microspheres at room temperature. XRD patterns and SEM images revealed that pure crystallized cuprous oxide hollow microspheres were successfully obtained at room temperature. The diameter of cuprous oxide hollow sphere can be adjusted (0.7-7 mu m) by concentration control of hydrazine hydrate. Generated N-2 gas bubbles in the aqueous solution, serving as soft templates, play a key role in the formation of hollow microspheres. (C) 2010 Elsevier B. V. All rights reserved.
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