ZnS nanowire arrays: Synthesis, optical and field emission properties

Biswas  S; Ghoshal  T; Kar  SChakrabarti  SChaudhuri  S

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ZnS nanowire arrays: Synthesis, optical and field emission properties

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Nanowire arrays of cubic zinc sulfide are synthesized on zinc foil by a simple thermal evaporation route at relatively low temperature (< 500 degrees C). A self-catalytic liquid-solid growth is proposed for the formation of the nanowires. Influence of the synthesis temperatures on the morphological features of the ZnS nanowires is studied. Growth sequence of the nanowires with synthesis time is also studied through scanning electron microscopy. These nanowires grow along the 111 direction and remain perpendicular to the surface of the Zn substrate. Room temperature photoluminescence measurement exhibit UV and blue emission peaks at around 350 and 397 nm, respectively. These ZnS nanowires exhibited good field emission properties similar to those of conventional field emitters.

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来源
《Crystal growth & design》 |2008年第7期|2171-2176|共6页
作者
Biswas S; Ghoshal T; Kar SChakrabarti SChaudhuri S;
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作者单位

Indian Assoc Cultivat Sci, Dept Mat Sci, Calcutta 700032, India;

Univ Osaka Prefecture, Grad Sch Engn, Dept Phys & Elect, Osaka, Japan;

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正文语种英语
中图分类晶体学;
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ONE-DIMENSIONAL NANOSTRUCTURES; PHOTOLUMINESCENCE PROPERTIES; CATALYTIC GROWTH; OXIDE NANOWIRES; NANORODS; NANORIBBONS; NANOMATERIALS; EVAPORATION; WURTZITE; SINGLE;

ZnS nanowire arrays: Synthesis, optical and field emission properties

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