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In this study,the three dimensional nanoscale organization in the photoactive layers of poly(3-hexylthiophene) (P3HT) and a methanofullerene derivative (PCBM) is revealed by transmission electron tomography.After annealing treatment,either at elevated temperature or during slow solvent evaporation,nanoscale interpenetrating networks are formed with high crystalline order and favorable concentration gradients of both components through the thickness of the photoactive layer.Such a tailored morphology acco... 相似文献
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Vito Fiandanese Giuseppe Marchese Angela Punzi Francesco Iannone Giacomo G. Rafaschieri 《Tetrahedron》2010,66(46):8846-8853
A convenient synthesis of 1,2,3-triazole-fused isoindolines and dihydroisoquinolines in good to excellent yield is reported, starting from easily available terminal alkynes and (2-haloaryl)alkylazides. The method is based upon a cycloaddition reaction, via click chemistry, followed by a transition metal-catalyzed functionalization of a C-H bond. 相似文献
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Fiandanese V Maurantonio S Punzi A Rafaschieri GG 《Organic & biomolecular chemistry》2012,10(6):1186-1195
A general procedure for the synthesis of the title compounds has been devised starting from the available 2-halophenylethyl azides, by means of click reactions with trimethylsilylacetylene or 1-trimethylsilyl-1,3-butadiyne followed by a transition metal-catalyzed functionalization of C-H bond. A further extension of this procedure led us to devise the synthesis of more complex 4,4'-bitriazole-fused dihydroisoquinolines. 相似文献
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