Spectroscopy of a single Sb2Se3 nanorod
In this paper, we present solvothermal methods to chemically synthesize $ Sb_{2} $$ Se_{3} $ nanorods using dialkyl diselenophosphate (dsep) complexes of antimony. Energy-dispersive X-ray analysis shows the products are phase pure. We have also studied the Raman and photoluminescence spectroscopy of a single $ Sb_{2} $$ Se_{3} $ 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 $ Sb_{2} $$ Se_{3} $ nanorods synthesized at a lower temperature contain a small amount of $ Sb_{2} $$ Se_{3} $. 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..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2009 |
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| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:81 |
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| Enthalten in: |
Pure and applied chemistry - 81(2009), 8 vom: 28. Juli, Seite 1511-1522 |
| Beteiligte Personen: |
Sun, Kien Wen [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: |
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| Anmerkungen: |
© 2013 Walter de Gruyter GmbH, Berlin/Boston |
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| doi: |
10.1351/PAC-CON-08-08-34 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a In this paper, we present solvothermal methods to chemically synthesize $ Sb_{2} $$ Se_{3} $ nanorods using dialkyl diselenophosphate (dsep) complexes of antimony. Energy-dispersive X-ray analysis shows the products are phase pure. We have also studied the Raman and photoluminescence spectroscopy of a single $ Sb_{2} $$ Se_{3} $ 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 $ Sb_{2} $$ Se_{3} $ nanorods synthesized at a lower temperature contain a small amount of $ Sb_{2} $$ Se_{3} $. 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. | ||
| 700 | 1 | |a Yang, Cheng-Hang |4 aut | |
| 700 | 1 | |a Ko, Ting-Yu |4 aut | |
| 700 | 1 | |a Chang, Hao-Wei |4 aut | |
| 700 | 1 | |a Liu, Chen-Wei |4 aut | |
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