期刊
CHEMPHYSCHEM
卷 19, 期 17, 页码 2243-2249出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201800277
关键词
carbon materials; ferrocene; fluorescence; porphyrins; Raman spectroscopy
资金
- European Community [CoExAN GA644076]
Meso-tetraphenylporphyrin connected with a ferrocene molecule in the beta-position of the macrocycle through a triple carbon-carbon bond has been bound to carbon spheres using the Prato-Maggini reaction. The ethynyl or/and phenylene ethynylene subunits were chosen as a linking bridge to give a high conjugation degree between the donor (i.e., ferrocene), the photoactive compound (i.e., porphyrin), and the acceptor (i.e., carbon spheres). The molecular bridges have been directly linked to the beta-pyrrole positions of the porphyrin ring, generating a new example of a long-range donor-acceptor system. Steady-state fluorescence studies together with Raman and XPS measurements helped understanding the chemical and physical properties of the porphyrin ring in the new adduct. The spectroscopic characteristics were also compared with those obtained from a similar compound bearing fullerene instead of carbon spheres.
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