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ۼ : 13-10-25 17:06
[13.10]ö -Vertical Crystallization of C60 Nanowires by Solvent Vapor Annealing Process
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 ۾ :
ȸ : 1,568  
   Vertical_crystallization_of_C60_nanowires_by_solvent_vapor_annealing_process.pdf (1.3M) [20] DATE : 2013-10-25 18:02:10

Vertical Crystallization of C60 Nanowires by Solvent Vapor Annealing Process
- Jungah Kim, Chibeom Park, Ji Eun Park, Kwangho Chu, and Hee Cheul Choi*

We report that C60 molecules are spontaneously crystallized into vertical nanowires by the solvent vapor annealing (SVA) process. C60 molecules have been known to be assembled into wire-like crystals by simply dropping and drying C60 solutions in m-xylene on a solid substrate. By the drop-drying process, C60 nanowires have been mostly grown laterally on a solid substrate, as the major force applied to the droplet during the drying process is parallel to the substrate. On the other hand, the SVA process seems to provide an ideal environment under which the direction of the dominant drying force of a droplet becomes vertical. Considering the diversity of target molecules applicable for conjugated organic crystals, we believe that the SVA process with an appropriate selection of solvent is a versatile tool, opening a new direction of vertical growth of diverse organic and metal-containing organic nanostructures.

Ǯ ǿ ߸ Ÿ ߽Ű Ϲ (drop-drying) Ǯ ü ȭ ǿ ȴ. ̴ Ǯ ü ȭ 켼ϰ ġ ε, ̹ Ǯ ġ ǿ ٿ ߿ ǿ شȭ ϴ ν Ҹ (solvent vapor annealing) ǿ ȭ Ǯ 뱸ü . ̷ Ҹ Ͽ پ װ, ⹰ ݼ ⹰ ü ȭ ϰ ο ȴ.


 
 

Total 78
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