Abstract
Poly(3,6-di-ter-butyl-9-vinylcarbazole) (PBVCz) and its dimeric model compounds, meso- and rac-2,4-bis(3,6-di-tert-butyl-9-carbazolyl)pentanes (meso- and rac-BCzPe), are investigated. PBVCz and rac-BCzPe show broad excimer emission at wavelengths slightly shifted from the excited monomer band. Since sandwich excimer formation is hindered by the bulky groups, this polymer exhibits a unique excimer formed by the syndiotactic diads. To investigate the excimer formation process, 1 H NMR analysis and calculation of conformational energies were carried out for rac-BCzPe
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