The thirdarder microscopic hyperpolarizability y is calculated for finite bridged polymers of the form A-B-A-B-... using simple model Hamiltonians. Generally, the even-and odd-numbered chains show markedly different behavior, with the addition or subtraction of one chain unit resulting in a predicte
β¦ LIBER β¦
Studies on third-order nonlinear optical properties of chalcone derivatives in polymer host
β Scribed by Seetharam Shettigar; G. Umesh; K. Chandrasekharan; B.K. Sarojini; B. Narayana
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 199 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0925-3467
No coin nor oath required. For personal study only.
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## Abstract Poly(1,4βphenylenevinylene) (PPV) and its derivatives are readily processable and thermally stable polyconjugated polymers. Since PPV contains phenylene units, its structure can be easily altered and modified in the electronic structure. Moreover, PPV and the derivatives are easily prep