| Autor: |
Wei Yin, Li Ping Zhang, Huan Bao Fa, Chang Guo Chen |
| Rok vydání: |
2011 |
| Předmět: |
|
| Zdroj: |
Advanced Materials Research. :1387-1390 |
| ISSN: |
1662-8985 |
| DOI: |
10.4028/www.scientific.net/amr.415-417.1387 |
| Popis: |
The fluorescent and photovoltaic properties of derivatives of selected substituted meso-phenylporphyrins were studied. It was found that the fluorescent intensity could be enhanced by the electron-donating substituent but weakened by the electron-withdrawing subsituent. The photovoltaic properties and charge transfer process of the compounds were investigated by surface photovoltage spectroscopy (SPS) techniques, which revealed that all the compounds are p-type semiconductors. The spectral bands of all porphyrins could be ascribed to π→π* transitions. Comparing with the fluorescent spectral showed that the stronger the fluorescence intensity of porphyrin was, the weaker the surface photovoltage intensity of it was. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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