標題: | Novel supramolecular conjugated polyrotaxane as an acid-base controllable optical molecular switch |
作者: | Shukla, Tarun Arumugaperumal, Reguram Raghunath, Putikam Lin, Ming-Chang Lin, Chien-Min Lin, Hong-Cheu 材料科學與工程學系 應用化學系分子科學碩博班 Department of Materials Science and Engineering Institute of Molecular science |
關鍵字: | Mechanically interlocked rotaxane;Polyrotaxane;Phenanthroimidazole;Acid-base molecular switch;Computational study |
公開日期: | 1-五月-2017 |
摘要: | To study the supramolecular interactions of the mechanically interlocked rotaxane pendants with the backbone of two comparable conjugated polymers, axle polymer P1 and polyrotaxane P2 were synthesized by copolymerization of fluorine-based monomer F with phenanthroimidazole (PIZ)-based axle monomer A and rotaxane monomer R, respectively. Prevailing H-1 NMR, UV-vis and PL profiles revealed that polyrotaxane P2 showed sensitive and reversible acid-base molecular switching properties via supramolecular interactions in contrast to the other analogous polymer P1. The capability of molecular switching is also proven by computational study. Apparently, the controllable nano self-assembly process of P2 was fulfilled by reversible acid-base molecular switch approaches, where the orthogonal H-bonded polyrotaxane units were converted from bloated form into flake form on protonation. (C) 2016 Elsevier B.V. All rights reserved. |
URI: | http://dx.doi.org/10.1016/j.snb.2016.11.130 http://hdl.handle.net/11536/144442 |
ISSN: | 0925-4005 |
DOI: | 10.1016/j.snb.2016.11.130 |
期刊: | SENSORS AND ACTUATORS B-CHEMICAL |
Volume: | 243 |
起始頁: | 84 |
結束頁: | 95 |
顯示於類別: | 期刊論文 |