Abstract
Novel diketopyrrolopyrrole (DPP) based polycatenars characterized with a long π-conjugated rigid calamitic core, different side groups (t-Boc, H or PEO) at the lactam N atoms of the central DPP core and terminal hydrophobic paraffinic chains were prepared via Sonogashira coupling reaction as key steps. The influence of different side groups, different links and the length of terminal alkyl chains on the properties of these DPP derivatives was discussed. Such DPP polycaterners can self-assemble into bicontinuous cubic phase (Cubv/Ia3¯d) and hexagonal columnar phase (Colhex) in their pure states, as well as organogels in solution. UV and PL spectra investigation reveals that these compounds can display broad and strong absorption in the region of 275–650 nm and can emit in the NIR region (650–850 nm) with low energy gap (1.94 ev), meanwhile ICT effects have been detected between such DPP polycaternars and C70, indicating the potential application of these compounds in solar cell.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
