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Title: Dynamic control of intramolecular rotation by tuning the surrounding two-dimensional matrix field
Authors: Mori, Taizo
Chin, Hokyun
Kawashima, Kazuhiro
Ngo, Huynh Thien
Cho, Nam-Joon
Nakanishi, Waka
Hill, Jonathan P.
Ariga, Katsuhiko
Keywords: Engineering::Materials
Issue Date: 2019
Source: Mori, T., Chin, H., Kawashima, K., Ngo, H. T., Cho, N., Nakanishi, W., Hill, J. P. & Ariga, K. (2019). Dynamic control of intramolecular rotation by tuning the surrounding two-dimensional matrix field. ACS Nano, 13(2), 2410-2419.
Journal: ACS Nano
Abstract: The intramolecular rotation of 4-farnesyloxyphenyl-4,4-difluoro-4-bora-3a,4a-diaza- s-indacene (BODIPY-ISO) was controlled by tuning its local physical environment within a mixed self-assembled monolayer at an air-water interface. Intramolecular rotation was investigated by considering the twisted intramolecular charge transfer (TICT) fluorescence of BODIPY-ISO, which increases in intensity with increasing viscosity of the medium. In situ fluorescence spectroscopy was performed on mixed monolayers of BODIPY-ISO with several different lipids at the air-water interface during in-plane compression of the monolayers. Depending on the identity of the lipid used, the fluorescence of the mixed monolayers could be enhanced by mechanical compression, indicating that the rotation of BODIPY-ISO can be controlled dynamically in mixtures with lipids dispersed at the air-water interface. Taken together, our findings provide insight into strategies for controlling the dynamic behavior of molecular machines involving mechanical stimuli at interfaces.
ISSN: 1936-0851
DOI: 10.1021/acsnano.8b09320
Rights: © 2019 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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