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Application of cyclodextrin inclusion complex in dye-sensitized solar cell materials
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Application of cyclodextrin inclusion complex in dye-sensitized solar cell materials

Views:88     Author:Site Editor     Publish Time: 2021-10-03      Origin:Site

       


At present, the most commonly used dye photosensitizer is ruthenium polypyridine organometallic complex, but its synthesis is complex, it is not easy to synthesize near-infrared absorption products, and the price is expensive. Organic dyes have become an important direction in the research and development of photosensitizers, and cyanogen dyes are one of the most potential organic dyes. Wang Liqiu et al. Synthesized a new photosensitizer n-p-carboxybenzyltrimethylchuanindocyanine dye, and added the dye to the dye containing α- In an aqueous solution of CD, α-  The cavity of CD will be encapsulated with dye molecules to a certain extent, which will affect the light absorption and emission of dye molecules; The light absorption intensity in the range of 200-300 nm is increased, and the light absorption intensity in the range of 500-600 nm is weakened; In addition, α- The existence of CD increases the viscosity of the solution and the rigidity of the dye molecules, which is conducive to the release of energy by extranuclear electrons in the form of light, thus greatly improving the fluorescence emission intensity of the dye.


α CD


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