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Intramolecular Charge Transfer in Arylpyrazolines |
| WANG Ming-Liang1;LIU Ju-Zheng1;XU Chun-Xiang2 |
| 1Department of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096
2Advanced Photonics Center, School of Electronic Science Engineering, Southeast University, Nanjing 210096 |
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| Cite this article: |
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WANG Ming-Liang, LIU Ju-Zheng, XU Chun-Xiang 2006 Chin. Phys. Lett. 23 3088-3090 |
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Abstract Arylpyrazoline microparticles dispersed in water are synthesized and their absorption spectra are compared with those in solution. It is found that the absorbance of pyrazoline group in solution of 5-aryl arylpyrazoline is far greater than that in solution of arylpyrazolines with no 5-aryl group. This hyperchromic effect is intensified in 5-aryl arylpyrazoline microparticles. It is indicated that ntramolecular charge transfer exists between pyrazoline group and 5-aryl group and this kind of interaction is increased in their microparticles.
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| Keywords:
78.40.-q
78.40.Me
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Published: 01 November 2006
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| PACS: |
78.40.-q
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(Absorption and reflection spectra: visible and ultraviolet)
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78.40.Me
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(Organic compounds and polymers)
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