Abstract
In this report we describe a new chromene bearing at their three position terthiophene and quaterthiophene. These chromene-substituted oligothiophenes have been prepared by palladium-catalysed coupling reaction. When optically excited, these molecules undergo a structural change passing from a neutral state (closed form) to a strongly polarised one (open form). This photochromic process is also accompanied by a large increase in the electrical conductivity.
| Original language | English |
|---|---|
| Pages (from-to) | 23-27 |
| Number of pages | 5 |
| Journal | Synthetic Metals |
| Volume | 124 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 22 Oct 2001 |
| Externally published | Yes |
| Event | Molecular Photonics: from Macroscopic to Nanoscopic Applications (EMRS Proceedings Symposium H) - Strasbourg, France Duration: 30 May 2000 → 2 Jun 2000 |
Keywords
- Chromene
- Molecular electronics
- Oligothiophene
- Photochromic
- Photoswitch
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