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- Title
Spectroscopy of a single Sb<sub>2</sub>Se<sub>3</sub> nanorod.
- Authors
Kien Wen Sun; Cheng-Hang Yang; Ting-Yu Ko; Hao-Wei Chang; Chen-Wei Liu
- Abstract
In this paper, we present solvothermal methods to chemically synthesize Sb2Se3 nanorods using dialkyl diselenophosphate (dsep) complexes of antimony. Energy-dispersive X-ray analysis shows the products are phase pure. We have also studied the Raman and photo luminescence spectroscopy of a single Sb2Se3 nanorod with an average size of 60 nm in diameter and a length less than 1 μm. Techniques have been devised to immobilize and allocate a single nano-object on an electron beam (E-beam) patterned smart substrate with metallic coordination markers. This also overcomes the limitation of spatial resolution of conventional optical techniques (∼1 μm) to perform optical spectroscopy on an individual nano-object less than 100 nm in size. Raman spectroscopy reveals that Sb2Se3 nanorods synthesized at a lower temperature contain a small amount of Sb2Se3. The broad linewidth observed in luminescence spectra from a single rod is attributed to the increasing number of surface defects, impurities, and dangle bonds attached on the surface as the nanoparticle size reduced to nanometer scale.
- Subjects
SPECTRUM analysis; ANTIMONY; X-ray spectroscopy; ELECTRON beams; RAMAN spectroscopy; NANOSTRUCTURED materials
- Publication
Pure & Applied Chemistry, 2009, Vol 81, Issue 8, p1511
- ISSN
0033-4545
- Publication type
Article
- DOI
10.1351/PAC-CON-08-08-34