Self-standing chitosan films as dielectrics in organic thin-film transistors
Organic thin film transistors, using self-standing 50 µm thick chitosan films as dielectric, are fabricated using sublimed pentacene or two conjugated polymers deposited by spin coating as semiconductors. Field-effect mobilities are found to be similar to values obtained with other dielectrics and,...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Budapest University of Technology and Economics
2013-12-01
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| Series: | eXPRESS Polymer Letters |
| Subjects: | |
| Online Access: | http://www.expresspolymlett.com/letolt.php?file=EPL-0004668&mi=cd |
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| _version_ | 1849250985092841472 |
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| author | J. Morgado A. T. Pereira A. M. Braganca Q. Ferreira S. C. M. Fernandes C. S. R. Freire A. J. D. Silvestre C. Pascoal Neto L. Alcacer |
| author_facet | J. Morgado A. T. Pereira A. M. Braganca Q. Ferreira S. C. M. Fernandes C. S. R. Freire A. J. D. Silvestre C. Pascoal Neto L. Alcacer |
| author_sort | J. Morgado |
| collection | DOAJ |
| description | Organic thin film transistors, using self-standing 50 µm thick chitosan films as dielectric, are fabricated using sublimed pentacene or two conjugated polymers deposited by spin coating as semiconductors. Field-effect mobilities are found to be similar to values obtained with other dielectrics and, in the case of pentacene, a value (0.13 cm2/(V•s) comparable to high performing transistors was determined. In spite of the low On/Off ratios (a maximum value of 600 was obtained for the pentacene-based transistors), these are promising results for the area of sustainable organic electronics in general and for biocompatible electronics in particular. |
| format | Article |
| id | doaj-art-87b1f506ccd3414aab0c8fd884206072 |
| institution | Kabale University |
| issn | 1788-618X |
| language | English |
| publishDate | 2013-12-01 |
| publisher | Budapest University of Technology and Economics |
| record_format | Article |
| series | eXPRESS Polymer Letters |
| spelling | doaj-art-87b1f506ccd3414aab0c8fd8842060722025-08-20T03:57:04ZengBudapest University of Technology and EconomicseXPRESS Polymer Letters1788-618X2013-12-0171296096510.3144/expresspolymlett.2013.94Self-standing chitosan films as dielectrics in organic thin-film transistorsJ. MorgadoA. T. PereiraA. M. BragancaQ. FerreiraS. C. M. FernandesC. S. R. FreireA. J. D. SilvestreC. Pascoal NetoL. AlcacerOrganic thin film transistors, using self-standing 50 µm thick chitosan films as dielectric, are fabricated using sublimed pentacene or two conjugated polymers deposited by spin coating as semiconductors. Field-effect mobilities are found to be similar to values obtained with other dielectrics and, in the case of pentacene, a value (0.13 cm2/(V•s) comparable to high performing transistors was determined. In spite of the low On/Off ratios (a maximum value of 600 was obtained for the pentacene-based transistors), these are promising results for the area of sustainable organic electronics in general and for biocompatible electronics in particular.http://www.expresspolymlett.com/letolt.php?file=EPL-0004668&mi=cdBiocompatible polymersOrganic thin-film transistorsOrganic field-effect transistoChitosanDielectric |
| spellingShingle | J. Morgado A. T. Pereira A. M. Braganca Q. Ferreira S. C. M. Fernandes C. S. R. Freire A. J. D. Silvestre C. Pascoal Neto L. Alcacer Self-standing chitosan films as dielectrics in organic thin-film transistors eXPRESS Polymer Letters Biocompatible polymers Organic thin-film transistors Organic field-effect transisto Chitosan Dielectric |
| title | Self-standing chitosan films as dielectrics in organic thin-film transistors |
| title_full | Self-standing chitosan films as dielectrics in organic thin-film transistors |
| title_fullStr | Self-standing chitosan films as dielectrics in organic thin-film transistors |
| title_full_unstemmed | Self-standing chitosan films as dielectrics in organic thin-film transistors |
| title_short | Self-standing chitosan films as dielectrics in organic thin-film transistors |
| title_sort | self standing chitosan films as dielectrics in organic thin film transistors |
| topic | Biocompatible polymers Organic thin-film transistors Organic field-effect transisto Chitosan Dielectric |
| url | http://www.expresspolymlett.com/letolt.php?file=EPL-0004668&mi=cd |
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