at Google ScholarTitle data
Chawdhury, Nazia ; Köhler, Anna ; Friend, Richard H. ; Younus, Muhammad ; Long, Nicholas J. ; Raithby, Paul R. ; Lewis, Jack:
Synthesis and Electronic Structure of Platinum-Containing Poly-ynes with Aromatic and Heteroaromatic Rings.
In: Macromolecules.
Vol. 31
(1998)
Issue 3
.
- pp. 722-727.
ISSN 0024-9297
DOI: https://doi.org/10.1021/ma971267u
Abstract in another language
We have studied the dependence of intersystem crossing and the spatial extent of singlet and triplet excitons in platinum-containing poly-yne polymers with the general formula [Pt(PR3)2C⋮CLC⋮C]n (R = Et, nBu; L = pyridine, phenylene, or thiophene) as a function of electron delocalization in the spacer group L. We also report the synthesis route of those compounds. The optical absorption, photoluminescence, and photoinduced absorption of the corresponding polymers and monomers have been measured. We find that conjugation is increased but intersystem crossing is reduced by the electron-rich thiophene unit, while the opposite occurs for the electron-deficient pyridine unit as compared to the phenylene unit. For all investigated systems, we find that the singlet excited state and a higher lying Tn triplet excited state extend over more than a repeat unit while the T1 triplet state remains localized to less then one repeat unit.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | No |
| Institutions of the University: | Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter > Chair Experimental Physics II - Optoelectronics of Soft Matter - Univ.-Prof. Dr. Anna Köhler Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics II - Optoelectronics of Soft Matter |
| Result of work at the UBT: | No |
| DDC Subjects: | 500 Science > 530 Physics |
| Date Deposited: | 18 Mar 2015 10:19 |
| Last Modified: | 21 Aug 2017 09:55 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/8483 |