In an article, author is Mikhailov, Maxim S., once mentioned the application of 446292-08-6, Computed Properties of C22H19N3O6, Name is (S)-2-((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione, molecular formula is C22H19N3O6, molecular weight is 421.4, MDL number is MFCD11977665, category is indolines-derivatives. Now introduce a scientific discovery about this category.
9-(p-Tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole-A new donor building-block in the design of sensitizers for dye-sensitized solar cells
The novel donor building-block – 9-(p-tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole was designed and employed in the synthesis of dye-sensitized solar cell (DSSCs). An effective, high-yielding synthesis of 4,6-(4,4,5,5-tetramethy1-1,3,2-dioxaborolan-2-yl)-9-(p-tolyl)-1,2,3,4,4a,9a-hexahydrocarbazole from 1,2,3,4,4a,9a-hexahydrocarbazole was realized. Three new metal-free organic sensitizers, containing the new donor building block were prepared by a stepwise approach from 4,7-dibromobenzo[c][1,2,5]chacogenadiazoles. A 2,1,3-Benzothiadiazole dye containing hexahydrocarbazole donor, thiophene as pi-spacer and cyanoacrylate as anchoring electron acceptor showed photovoltaic properties higher than the well-known WS-2 sensitizer with PCE = 5.86 %. Although benzoxa- and -selenadiazole dyes have a bathochromic shift (24 – 30 nm) in the UV-vis spectra, and smaller energy gap E-g (about 0.1 eV), they have lower photovoltaic parameters, including PCE of 1.5-2.3 %. Introducing a new donor 9-(p-tolyl)-2,3,4,4a,9,9a-hexahydro-1H-carbazole into the construction of the DSSCs has broadened possibilities for the optimization of their photovoltaic properties.
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