Synthesis, Crystal Structure, and Physical Property of Sterically Unprotected Thiophene/Phenylene Co‐Oligomer Radical Cations: A Conductive  π – π  Bonded Supermolecular  meso ‐Helix | Zendy

Chen Xiaoyu | Zendy; Ma Binbin | Zendy; Chen Shuang | Zendy; Li Yizhi | Zendy; Huang Wei | Zendy; Ma Jing | Zendy; Wang Xinping | Zendy

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Synthesis, Crystal Structure, and Physical Property of Sterically Unprotected Thiophene/Phenylene Co‐Oligomer Radical Cations: A Conductive π – π Bonded Supermolecular meso ‐Helix

Author(s) -

Chen Xiaoyu,

Ma Binbin,

Chen Shuang,

Li Yizhi,

Huang Wei,

Ma Jing,

Wang Xinping

Publication year - 2013

Publication title -

chemistry – an asian journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.18

H-Index - 106

eISSN - 1861-471X

pISSN - 1861-4728

DOI - 10.1002/asia.201200819

Subject(s) - oligomer , steric effects , phenylene , thiophene , polymer chemistry , electron paramagnetic resonance , chemistry , crystallography , stacking , materials science , photochemistry , polymer , stereochemistry , organic chemistry , physics , nuclear magnetic resonance

Sterically unprotected thiophene/phenylene co‐oligomer radical cation salts BPnT .+ [Al(OR F ) 4 ] − (OR F =OC(CF 3 ) 3 , n =1–3) have been successfully synthesized. These newly synthesized salts have been characterized by UV/Vis‐NIR absorption and EPR spectroscopy, and single‐crystal X‐ray diffraction analysis. Their conductivity increases with chain length. The formed meso ‐helical stacking by cross‐overlapping radical cations of BP2T .+ is distinct from previously reported face‐to‐face overlaps of sterically protected (co‐)oligomer radical cations.

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