Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 11, Issue 8, Pages 1220-1226Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b816246h
Keywords
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Funding
- National Science Foundation of China [20674059]
- National Fundamental Key Research Program
- Hubei Province
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In this work, two H-shape and one AB-type second order nonlinear optical (NLO) polymers were prepared for the first time. The linkage positions of chromophores in the H-shape polymers were shoulder-to-shoulder, in which the chromophore moieties were part of the polymeric backbone. The subtle structure could be easily modified by the introduction of different isolation groups, to adjust the property of the resultant polymers. All the polymers exhibited good film-forming ability and thermal stability. The second harmonic generation (SHG) experiments demonstrated that the two H-shape polymers (P1 and P2) exhibited large SHG coefficients of d(33) values (up to 90 pm V-1), and P2 even demonstrated relatively good long-term temporal stability.
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