Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films
Vacuum deposited 2,3,9,10,16,17,23,24-octakis (octyloxy) phthalocyanine (H2PcOC8) thin films on glass substrates have exhibited a change on their surface morphology with the post deposition annealing temperature under normal atmosphere. These films have been characterized by optical absorptions and...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | E-Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2012/473683 |
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| author | Vinu. T. Vadakel C. S. Menon |
| author_facet | Vinu. T. Vadakel C. S. Menon |
| author_sort | Vinu. T. Vadakel |
| collection | DOAJ |
| description | Vacuum deposited 2,3,9,10,16,17,23,24-octakis (octyloxy) phthalocyanine (H2PcOC8) thin films on glass substrates have exhibited a change on their surface morphology with the post deposition annealing temperature under normal atmosphere. These films have been characterized by optical absorptions and Scanning Electron Microscopy. SEM images also have shown nano-rod like structures for the samples annealed at different temperatures. The variation of optical band gap with annealing temperature is determined. The direct and allowed optical band gap energy has been evaluated from the α2 versus hυ plots. The electrical conductivity of the films at various heat treated samples are also studied. The activation energies are determined from the Arrhenius plots of lnσ versus 1000/T . It shows variation with the annealing temperature. |
| format | Article |
| id | doaj-art-5db4f4e74b70472ca591f9612caa7a74 |
| institution | Kabale University |
| issn | 0973-4945 2090-9810 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | E-Journal of Chemistry |
| spelling | doaj-art-5db4f4e74b70472ca591f9612caa7a742025-08-20T03:34:44ZengWileyE-Journal of Chemistry0973-49452090-98102012-01-01941992199910.1155/2012/473683Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin FilmsVinu. T. Vadakel0C. S. Menon1Thin Film Lab, School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam-686 560, IndiaThin Film Lab, School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam-686 560, IndiaVacuum deposited 2,3,9,10,16,17,23,24-octakis (octyloxy) phthalocyanine (H2PcOC8) thin films on glass substrates have exhibited a change on their surface morphology with the post deposition annealing temperature under normal atmosphere. These films have been characterized by optical absorptions and Scanning Electron Microscopy. SEM images also have shown nano-rod like structures for the samples annealed at different temperatures. The variation of optical band gap with annealing temperature is determined. The direct and allowed optical band gap energy has been evaluated from the α2 versus hυ plots. The electrical conductivity of the films at various heat treated samples are also studied. The activation energies are determined from the Arrhenius plots of lnσ versus 1000/T . It shows variation with the annealing temperature.http://dx.doi.org/10.1155/2012/473683 |
| spellingShingle | Vinu. T. Vadakel C. S. Menon Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films E-Journal of Chemistry |
| title | Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films |
| title_full | Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films |
| title_fullStr | Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films |
| title_full_unstemmed | Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films |
| title_short | Effect of Annealing on the Nanostructure Formation in Alkoxy Substituted Phthalocyanine Thin Films |
| title_sort | effect of annealing on the nanostructure formation in alkoxy substituted phthalocyanine thin films |
| url | http://dx.doi.org/10.1155/2012/473683 |
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