Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces
<p>Abstract</p> <p>Atomic Force Microscopy complemented by Photoluminescence and Reflection High Energy Electron Diffraction has been used to study self-assembly of silver nanoparticles and multiwall carbon nanotubes on thermally decomposed GaAs (100) surfaces. It has been shown th...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2010-01-01
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| Series: | Nanoscale Research Letters |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1007/s11671-010-9703-1 |
| _version_ | 1827848605063446528 |
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| author | Unnikrishnan NV Bartringer J Mesli A Al-Harthi SH Revathy KP Gard F George AK Mamor M |
| author_facet | Unnikrishnan NV Bartringer J Mesli A Al-Harthi SH Revathy KP Gard F George AK Mamor M |
| author_sort | Unnikrishnan NV |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Atomic Force Microscopy complemented by Photoluminescence and Reflection High Energy Electron Diffraction has been used to study self-assembly of silver nanoparticles and multiwall carbon nanotubes on thermally decomposed GaAs (100) surfaces. It has been shown that the decomposition leads to the formation of arsenic plate-like structures. Multiwall carbon nanotubes spin coated on the decomposed surfaces were mostly found to occupy the depressions between the plates and formed boundaries. While direct casting of silver nanoparticles is found to induce microdroplets. Annealing at 300°C was observed to contract the microdroplets into combined structures consisting of silver spots surrounded by silver rings. Moreover, casting of colloidal suspension consists of multiwall carbon nanotubes and silver nanoparticles is observed to cause the formation of 2D compact islands. Depending on the multiwall carbon nanotubes diameter, GaAs/multiwall carbon nanotubes/silver system exhibited photoluminescence with varying strength. Such assembly provides a possible bottom up facile way of roughness controlled fabrication of plasmonic systems on GaAs surfaces.</p> |
| first_indexed | 2024-03-12T09:50:32Z |
| format | Article |
| id | doaj.art-d39a8bdf43ef40eea7554d1de1a6eab8 |
| institution | Directory Open Access Journal |
| issn | 1931-7573 1556-276X |
| language | English |
| last_indexed | 2024-03-12T09:50:32Z |
| publishDate | 2010-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nanoscale Research Letters |
| spelling | doaj.art-d39a8bdf43ef40eea7554d1de1a6eab82023-09-02T12:35:53ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2010-01-0151117371743Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs SurfacesUnnikrishnan NVBartringer JMesli AAl-Harthi SHRevathy KPGard FGeorge AKMamor M<p>Abstract</p> <p>Atomic Force Microscopy complemented by Photoluminescence and Reflection High Energy Electron Diffraction has been used to study self-assembly of silver nanoparticles and multiwall carbon nanotubes on thermally decomposed GaAs (100) surfaces. It has been shown that the decomposition leads to the formation of arsenic plate-like structures. Multiwall carbon nanotubes spin coated on the decomposed surfaces were mostly found to occupy the depressions between the plates and formed boundaries. While direct casting of silver nanoparticles is found to induce microdroplets. Annealing at 300°C was observed to contract the microdroplets into combined structures consisting of silver spots surrounded by silver rings. Moreover, casting of colloidal suspension consists of multiwall carbon nanotubes and silver nanoparticles is observed to cause the formation of 2D compact islands. Depending on the multiwall carbon nanotubes diameter, GaAs/multiwall carbon nanotubes/silver system exhibited photoluminescence with varying strength. Such assembly provides a possible bottom up facile way of roughness controlled fabrication of plasmonic systems on GaAs surfaces.</p>http://dx.doi.org/10.1007/s11671-010-9703-1NanomaterialsSelf-assembleNanotubesAgGaAs |
| spellingShingle | Unnikrishnan NV Bartringer J Mesli A Al-Harthi SH Revathy KP Gard F George AK Mamor M Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces Nanoscale Research Letters Nanomaterials Self-assemble Nanotubes Ag GaAs |
| title | Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces |
| title_full | Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces |
| title_fullStr | Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces |
| title_full_unstemmed | Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces |
| title_short | Self-assembly of Silver Nanoparticles and Multiwall Carbon Nanotubes on Decomposed GaAs Surfaces |
| title_sort | self assembly of silver nanoparticles and multiwall carbon nanotubes on decomposed gaas surfaces |
| topic | Nanomaterials Self-assemble Nanotubes Ag GaAs |
| url | http://dx.doi.org/10.1007/s11671-010-9703-1 |
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