Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 41, Pages 13454-13458Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201805717
Keywords
electron mobility; fullerenes; liquid crystals; supramolecular chemistry; two-dimensional crystals
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Funding
- National Natural Science Foundation of China [21774090, 21474067]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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We report herein a series of tetrablock-mimic azobenzene-containing [60]fullerene dyads that form supramolecular liquid crystals (LCs) from phase-segregated two-dimensional (2D) crystals. The unique double-, triple-, and quadruple-layer packing structure of fullerenes in the 2D crystals leads to different smectic supramolecular LC phases, and novel LC phase transitions were observed upon changes in the fullerene packing layer number in the 2D crystals. Interestingly, by combining the LC properties with 2D crystals, these materials show excellent electron mobility in the order of 10(-3) cm(2) V-1 s(-1), despite their relatively low fullerene content. Our results provide a novel method to manipulate 2D crystal layer thickness, with promising applications in optoelectronic devices.
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