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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Kim, Oh-Kil Blanchard-Desce, Mireille Fort, Alain Lehn, Jean-Marie Barzoukas, Marguerite |
| Copyright Year | 1999 |
| Abstract | Nonlinear optical (NLO) donor-acceptor (D-A) chromophores containing a fused terthiophene, namely dithienothiophene (DTT) as electron relay, and various strength acceptors were synthesized to evaluate the relay's role in the solvatochromism as well as in the molecular nonlinearity, µβ(0). Their solvatochromic behavior, which is dependent on acceptor strength, is correlated to their µβ(0). The static quadratic hyperpolarizability, β(0), of DTT-containing chromophores was determined by EFISH measurements. From the comparison of µβ(0) values of D-A chromophores based on oligothiophenes, it was assessed that DTT as relay is significantly more efficient compared to bithiophene (the same number of conjugated double bonds) and terthiophene. An additional merit of DTT is that chromophores containing DTT have a noticeably high thermal stability. |
| Starting Page | 2227 |
| Ending Page | 2232 |
| Page Count | 6 |
| File Format | |
| ISSN | 09599428 |
| Volume Number | 9 |
| Issue Number | 9 |
| Journal | Journal of Materials Chemistry |
| DOI | 10.1039/a902297j |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | NLO DTT Terthiophene Digital terrestrial television Solvatochromism Hyperpolarizability |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Materials Chemistry |
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