Abstract
Monolayer well-ordered close-packed 2D nanostructures of gold nanoparticles were fabricated without using any capping reagent or surfactant. The area of the 2D nanostructure obtained was as large as several 100 s μm2 to mm2. The individual gold nanoparticles of the 2D nanostructure are not in contact depicting the possible surface active site (i.e. hot site). The SERS-activity was measured by using crystal violet molecules adsorbed on the 2D nanostructure. The estimated enhancement was found as much as 108. Size-dependent SERS intensity of the well-ordered 2D nanostructures is discussed in detail.
| Original language | English |
|---|---|
| Pages (from-to) | 792-795 |
| Number of pages | 4 |
| Journal | Journal of Luminescence |
| Volume | 122-123 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jan 2007 |
| Externally published | Yes |
Keywords
- 2D nanostructure
- Crystal violet
- Gold nanoparticles
- Plasmon excitation
- SERS
ASJC Scopus subject areas
- Biophysics
- Biochemistry
- General Chemistry
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics