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Synthesis of polyphenylene dendrimeric tetrapyrazinoporphyrazines
- Authors
- Jang, Chun Keun; Jaung, Jae Yun
- Issue Date
- Jun-2008
- Publisher
- Elsevier BV
- Keywords
- photochemical technology; sensors; porphyrazine; polyphenylene; visible spectra; aggregation
- Citation
- Materials Letters, v.62, no.17-18, pp 3209 - 3212
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Letters
- Volume
- 62
- Number
- 17-18
- Start Page
- 3209
- End Page
- 3212
- ISSN
- 0167-577X
1873-4979
- Abstract
- In this study, new tetrapyrazinoporphyrazine derivatives containing both flexible (linear) and more rigid (dendritic) groups were synthesized. The absorption spectra of Mg-porphyrazines 5a and 5b showed that the splitted Q band at 653 and 736 nm caused the coupling of the transition moment between a pair (or more) of chromophores. The absorption spectra of metal-free porphyrazines 6 exhibited a well-resolved splitting of the Q(x)/Q(y) band in the 651-679 nm region and a broad B band in the 377 nin region. Synthesized tetrapyrazinoporphyrazine metal and metal-free complexes were charactefized by UV-visible spectroscopy, MALDI-TOF-Ms (matrix-assisted laser desorption ionization time-of-flight mass) spectroscopy and H-1 NMR spectroscopy.
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Related Researcher
- Jaung, Jae Yun
- COLLEGE OF ENGINEERING (DEPARTMENT OF ORGANIC AND NANO ENGINEERING)