Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties
<p>Abstract</p> <p>We report the optical activation of erbium coated silicon nanowires (Er–SiNWs) grown with the assist of platinum (Pt) and gold (Au), respectively. The NWs were grown on Si substrates by using a chemical vapor transport process using SiCl<sub>4<...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2009-01-01
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| Series: | Nanoscale Research Letters |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1007/s11671-009-9477-5 |
| _version_ | 1797762294704242688 |
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| author | Shin Jung Kim Myoung-Ha Kim Il-Soo Park Yong-Hee Park Tae-Eon Choi Heon-Jin |
| author_facet | Shin Jung Kim Myoung-Ha Kim Il-Soo Park Yong-Hee Park Tae-Eon Choi Heon-Jin |
| author_sort | Shin Jung |
| collection | DOAJ |
| description | <p>Abstract</p> <p>We report the optical activation of erbium coated silicon nanowires (Er–SiNWs) grown with the assist of platinum (Pt) and gold (Au), respectively. The NWs were grown on Si substrates by using a chemical vapor transport process using SiCl<sub>4</sub> and ErCl<sub>4</sub> as precursors. Pt as well as Au worked successfully as vapor–liquid–solid (VLS) catalysts for growing SiNWs with diameters of ~100 nm and length of several micrometers, respectively. The SiNWs have core–shell structures where the Er-crystalline layer is sandwiched between silica layers. Photoluminescence spectra analyses showed the optical activity of SiNWs from both Pt and Au. A stronger Er<sup>3+</sup> luminescence of 1,534 nm was observed from the SiNWs with Pt at room- and low-temperature (25 K) using the 488- and/or 477-nm line of an Ar laser that may be due to the uniform incorporation of more Er ions into NWs with the exclusion of the formation of catalyst-induced deep levels in the band-gap. Pt would be used as a VLS catalyst for high performance optically active Er–SiNWs.</p> |
| first_indexed | 2024-03-12T19:26:14Z |
| format | Article |
| id | doaj.art-f2bb4e46575a424887f5bc884c413c20 |
| institution | Directory Open Access Journal |
| issn | 1931-7573 1556-276X |
| language | English |
| last_indexed | 2024-03-12T19:26:14Z |
| publishDate | 2009-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nanoscale Research Letters |
| spelling | doaj.art-f2bb4e46575a424887f5bc884c413c202023-08-02T04:53:27ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2009-01-0152286290Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical PropertiesShin JungKim Myoung-HaKim Il-SooPark Yong-HeePark Tae-EonChoi Heon-Jin<p>Abstract</p> <p>We report the optical activation of erbium coated silicon nanowires (Er–SiNWs) grown with the assist of platinum (Pt) and gold (Au), respectively. The NWs were grown on Si substrates by using a chemical vapor transport process using SiCl<sub>4</sub> and ErCl<sub>4</sub> as precursors. Pt as well as Au worked successfully as vapor–liquid–solid (VLS) catalysts for growing SiNWs with diameters of ~100 nm and length of several micrometers, respectively. The SiNWs have core–shell structures where the Er-crystalline layer is sandwiched between silica layers. Photoluminescence spectra analyses showed the optical activity of SiNWs from both Pt and Au. A stronger Er<sup>3+</sup> luminescence of 1,534 nm was observed from the SiNWs with Pt at room- and low-temperature (25 K) using the 488- and/or 477-nm line of an Ar laser that may be due to the uniform incorporation of more Er ions into NWs with the exclusion of the formation of catalyst-induced deep levels in the band-gap. Pt would be used as a VLS catalyst for high performance optically active Er–SiNWs.</p>http://dx.doi.org/10.1007/s11671-009-9477-5Si nanowiresErbiumLuminescencePlatinum catalyst |
| spellingShingle | Shin Jung Kim Myoung-Ha Kim Il-Soo Park Yong-Hee Park Tae-Eon Choi Heon-Jin Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties Nanoscale Research Letters Si nanowires Erbium Luminescence Platinum catalyst |
| title | Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties |
| title_full | Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties |
| title_fullStr | Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties |
| title_full_unstemmed | Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties |
| title_short | Platinum Assisted Vapor–Liquid–Solid Growth of Er–Si Nanowires and Their Optical Properties |
| title_sort | platinum assisted vapor 8211 liquid 8211 solid growth of er 8211 si nanowires and their optical properties |
| topic | Si nanowires Erbium Luminescence Platinum catalyst |
| url | http://dx.doi.org/10.1007/s11671-009-9477-5 |
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