Large-scale growth of millimeter-long single-crystalline ZnS nanobelts
Large-scale growth of millimeter-long single-crystalline ZnS nanobelts
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DOI：
10.1016/j.jssc.2008.08.009
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发表时间：
2008-11
影响因子：
3.3
通讯作者：
Jianye Li;Qi Zhang;L. An;L. Qin;Jie Liu
中科院分区：
文献类型：
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作者：
Jianye Li;Qi Zhang;L. An;L. Qin;Jie Liu
Millimeter-long single-crystalline hexagonal ZnS nanobelts were grown on specific locations on a wafer scale. This is the first time that the millimeter-scale ZnS nanobelt has been synthesized. The longest nanobelts are about 3mm. The as-grown nanobelts were characterized by means of field emission scanning electron microscopy, X-ray powder diffraction, high-resolution transmission electron microscopy, and selected area electron diffraction. The results indicate that the ultra-long nanobelts are pure single-crystalline hexagonal ZnS. There are two kinds of ZnS nanobelts existing in the products. One is the nanobelts that have two smooth sides and grow along the [001] longitudinal direction, and the other is the nanobelts that have one smooth side and one saw-teeth-like side, namely nanosaws, and grow along the [210] longitudinal direction. A vapor–liquid–solid mechanism is suggested for the lengthwise growth of the ZnS nanobelts (nanosaws) and a vapor–solid mechanism for the side direction growth of the saw-teeth of the nanosaws.
