1456632-84-0Relevant academic research and scientific papers
Synthesis and properties of folded π-stacking polymers having J-aggregative, alternative, and staggered assembling structures
Okamoto, Sentaro,Kudo, Masaru,Nomura, Ryosuke,Moriai, Ryota,Naito, Yusuke,Funyu, Shigeaki,Ishitsuka, Ken-ich,Asano, Naoki
, p. 550 - 558 (2016)
Three types of folded polymers showing alternative stacking of two different π-units (A-3), J-aggregate (J-3), and staggered stacking (S-3) structures of π-modules were designed and synthesized using 2-substituted 1,3-diaryl tethering units. The UV-absorbing and fluorescent emission properties of these polymers were investigated and compared to those of the corresponding single structural π-molecule component and H-type stacking polymer (H-3). These three types of polymers exhibited unique optical properties as a result of a distinctive arrangement of π-units.
Synthesis and properties of through-space conjugated polymers based on π-π Stacked 1,3-biarylpropane tethering units
Nomura, Ryosuke,Moriai, Ryota,Kudo, Masaru,Hoshino, Tohru,Watanabe, Jun-Ichi,Funyu, Shigeaki,Ishitsuka, Ken-Ich,Okamoto, Sentaro
, p. 3412 - 3419 (2013/07/26)
Novel skipped-π polymers in which the π-components are connected with 2-substituted trimethylene tethering units exhibit bathochromically shifted, broadened ultraviolet absorption with a unique lower-energy absorption band and a largely red-shifted fluorescent emission. These results suggest that through-space π-π interactions owing to a stair-like stacking substructure in these polymers extend the π-conjugation of the components in the ground and excited states. As the photophysical properties of the polymers observed both in a solution and in a dried film are similar to those of the J-aggregates of π-molecules, these polymers may be considered as pseudo J-stacking (or J-like-stacking) polymers.
