Process of purification of sensitizer of dye-sensitized solar cells
The invention provides a process for purification of rhodium dye sensitizers, which uses dimethyl sulfoxide (DMSO) solution in gel chromatography of the rhodium dye sensitizer. The invention uses low concentration of DMSO in replacement of methanol as eluent agent for gel column chromatography for p...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a process for purification of rhodium dye sensitizers, which uses dimethyl sulfoxide (DMSO) solution in gel chromatography of the rhodium dye sensitizer. The invention uses low concentration of DMSO in replacement of methanol as eluent agent for gel column chromatography for purification. The process of invention can effectively remove impurities from the sensitizer and shorten purification time so that the length of column and the amounts of the gel and eluent agent can be reduced. |
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