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Updated: Aug 6, 2026

Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
Published on: September 26, 2016
Cyclization Matters: Structure-Property Relationship in π-Conjugated Donor-Acceptor Macrocycle Versus Its Linear
Deepak Kumar1,2, Kirandeep Kaur1,2, Phani Kumar Kodali1,2
1Department of Polymers and Functional Materials, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad, 500007, India.
None:
Macrocyclic architectures are powerful platforms for tuning optoelectronic and host-guest properties through controlled structural modifications. In this work, a linear donor-acceptor (D-A) fluorophore (CFC-M) and its macrocyclic analogue (CFC-CD), both synthesized from carbazole and fluorenone units, were investigated to uncover how molecular engineering reshapes optical and supramolecular behavior. Both CFC-M and CFC-CD acted as hosts to form stable 1:1 complexes with C60, with CFC-CD exhibiting a higher binding affinity towards C60, with a binding constant of 3.74 × 105 M-1 than CFC-M (2.18 × 105 M-1)..
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