The influence of the formal replacement of thiophenes by stannoles in terthiophene and sexithiophene on the optoelectronic properties and electrochemical behavior

Abstract

Polystannoles with thienyl co-monomers are in many ways similar to polythiophenes, but they display much reduced band gaps. However, their polymerization processes are not well researched. Thiophene can be oxidatively...

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“…The molecular structures of several stannoles were studied by single crystal X‐ray analysis. Additionally, the influence of the replacement of thiophenes by stannoles in terthiophene and sexithiophene on their optoelectronic and electrochemical properties was investigated [8c] . Generally, polystannoles with thienyl comonomers are similar to polythiophenes.…”

Excited state energy landscape of phosphorescent group 14 complexes

“…[20][21][22][23][24][25][26][27][28] The oxidation state +IV dominates in tetrel group 14 complexes with potentially photoactive triplet states [29][30][31][32][33][34][35] and uorescent or photoluminescent states of yet unknown character. [36][37][38][39][40][41][42][43][44] Photoluminescent tetrel(II) complexes are very scarce. Scandola and co-workers reported for Pb(QO) 2 I (QOH = 8hydroxyquinoline) a weak green uorescence and an even weaker red phosphorescence from intraligand (IL) states in N,N-dimethylformamide (DMF, 298 K; l f = 550 nm, s f = 0.4 ns, F f z 0.003; l p z 650 nm, s p z 3 ms, F p < 0.0001) and glassy ethanol (77 K; l f = 510 nm, s f < 20 ns; l p z 610 nm, s p = 180 ms), respectively (Scheme 1a).…”