Title
Chiral self-sorted multifunctional supramolecular biocoordination polymers and their applications in sensors
Author
Xiaobo Shang, Inho Song, Gwan Yeong Jung, Wanuk Choi, Hiroyoshi Ohtsu, Jeong Hyeon Lee, Jin Young Koo, Bo Liu, Jaeyong Ahn, Masaki Kawano, Sang Kyu Kwak, Joon Hak Oh
Year
2018
Journal
Nature Communications
Abstract
Chiral supramolecules have great potential for use in chiral recognition, sensing, and catalysis. Particularly, chiral supramolecular biocoordination polymers (SBCPs) provide a versatile platform for characterizing biorelated processes such as chirality transcription. Here, we selectively synthesize homochiral and heterochiral SBCPs, composed of chiral naphthalene diimide ligands and Zn ions, from enantiomeric and mixed R-ligands and S-ligands, respectively. Notably, we find that the chiral self-sorted SBCPs exhibit multifunctional properties, including photochromic, photoluminescent, photoconductive, and chemiresistive characteristics, thus can be used for various sensors. Specifically, these materials can be used for detecting hazardous amine materials due to the electron transfer from the amine to the SBCP surface and for enantioselectively sensing a chiral species naproxen due to the different binding energies with regard to their chirality. These results provide guidelines for the synthesis of chiral SBCPs and demonstrate their versatility and feasibility for use in various sensors covering photoactive, chemiresistive, and chiral sensors.
Full Article
Instrument
FP-6500
Keywords
Fluorescence, Photoluminescence, Quenching, Chemical stability, Coordination chemistry, Sensors, Materials, Polymers