Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 110, Issue 48, Pages 24399-24402Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp063698x
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High yields of MnS microspheres with novel hierarchical structure were prepared through a simple solution method. Field emission scanning electron microscopy and transmission electron microscopy analyses reveal that the microsphere has a core-shell structure: the interior hollow sphere is covered by a shell consisting of nanorod arrays. Interestingly, the nanorod is a wurtzite (WZ)/zinc blende (ZB) phase admixture with a large amount of stacking faults/twins. The alternation of WZ and ZB along the growth direction of the nanorod enables it to exhibit the features of a quantum well. Furthermore, the WZ/ZB admixture structure could also be regarded as a type II homomaterial heterostructure. All these features imply that the novel core-shell structure has great potential for applications, among them the quantum well photoelectrical and heterostructure photoconduction fields.
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