Semiconductor CdS microparticle covered with wrinkle-like nanotexture was prepared under ambient condition by using the lyotropic liquid crystal mesophase as a structural template. The prepared CdS microparticle resembles a rosette shape with a diameter of 0.5-1.5 μm and the wrinkle-like nanotexture on its surface. This rosette-shaped CdS consists of small nanocrystals with a diameter of ∼4 nm, and the nanocrystal building block has the zinc-blende crystal structure. The characteristic band-to-band absorption and near band-edge emission are observed in this unique semiconductor particle. Nitrogen gas physisorption measurement reveals that the material has the high BET surface area of 38 m2 g-1 and nanoporous nature.
|Number of pages||6|
|Journal||Materials Research Bulletin|
|Publication status||Published - 2006 Apr 13|
Bibliographical noteFunding Information:
This work was financially supported by a Grant from National Research Laboratory (NRL) (grant No. M1-0302-00-0027) program and a grant from National R&D Project for Nano-Science and Technology (Grant No. M1-0214-00-0021) administered by the Ministry of Science and Technology (MOST). We are grateful for instrumental supports from the equipment facility of CRM-KOSEF, Korea University.
All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering