| Publication Type |
Journal Article |
| School or College |
College of Science |
| Department |
Physics |
| Creator |
Vardeny, Zeev Valentine |
| Other Author |
Lane, P. A.; Liess, M.; Partee, J.; Uhlhorn, B.; Shinar, J.; Ibrahim, M.; Frank, A. J. |
| Title |
Optical studies of ordered and disordered α-sexithiophene films |
| Date |
1997 |
| Description |
We have studied α-sexithiophene (α-6T) films by photoinduced absorption (PA) and optically-detected magnetic resonance (ODMR). The PA of the disordered film is composed of two polaron PA bands and one bipolaron PA band, each with its own vibronic side bands. Measurements of an ordered film indicate that charge conjugation symmetry is broken and the polaron energy bands are shifted. The spin-1/2 ODMR of this film has a Gaussian lineshape with an 8 Gauss width. The PA of the ordered film shows no evidence for polarons. The bipolaron band is clearly split, indicating violation of charge conjugation symmetry. The ODMR of this film is significantly broader than that of the disordered film, which may be evidence for spin-spin interactions between paired charged excitations. |
| Type |
Text |
| Publisher |
International Society for Optical Engineering (SPIE) |
| Volume |
3145 |
| First Page |
475 |
| Last Page |
482 |
| DOI |
10.1117/12.279296 |
| citatation_issn |
0277786X |
| Subject |
Optically detected magnetic resonance; Sexithiophene conjugated oligomer |
| Subject LCSH |
Polythiophenes -- Optical properties; Thin films -- Optical properties |
| Language |
eng |
| Conference Title |
Optical Probes of Conjugated Polymers; Monday 28 July 1997; San Diego, CA, USA |
| Bibliographic Citation |
Lane, P. A., Liess, M., Vardeny, Z. V., Partee, J., Uhlhorn, B., Shinar, J., Ibrahim, M., & Frank, A. J. (1997). Optical studies of ordered and disordered α-sexithiophene films. SPIE, 3145, 475-82. |
| Rights Management |
(c)Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.279296 |
| Format Medium |
application/pdf |
| Format Extent |
1,266,886 bytes |
| Identifier |
ir-main,9870 |
| ARK |
ark:/87278/s6h99pqc |
| Setname |
ir_uspace |
| ID |
706009 |
| Reference URL |
https://collections.lib.utah.edu/ark:/87278/s6h99pqc |
