文献类型：期刊文献

英文题名：A light-driven three-dimensional plasmonic nanosystem that translates molecular motion into reversible chiroptical function

作者：Kuzyk, Anton[1]; Yang, Yangyang[2,3,6]; Duan, Xiaoyang[1,4]; Stoll, Simon[1]; Govorov, Alexander O.[5]; Sugiyama, Hiroshi[2,3]; Endo, Masayuki[2]; Liu, Na[1,4]

机构：[1] Max Planck Institute for Intelligent Systems, Heisenbergstrasse 3, Stuttgart, D-70569, Germany; [2] Institute for Integrated Cell-Material Sciences [WPI-iCeMS], Kyoto University, Yoshida-ushinomiyacho, Sakyo-ku, Kyoto, 606-8501, Japan; [3] Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan; [4] Kirchhoff Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, Heidelberg, D-69120, Germany; [5] Department of Physics and Astronomy, Ohio University, Athens, OH, 45701, United States; [6] Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China

年份：2021

外文期刊名：arXiv

收录：EI(收录号：20210117669)

语种：英文

外文关键词：Light - Plasmonics

摘要：Nature has developed striking light-powered proteins, such as bacteriorhodopsin, which can convert light energy into conformational changes for biological functions. Such natural machines are a great source of inspiration for creation of their synthetic analogs. However, synthetic molecular machines typically operate at the nanometer scale or below. Translating controlled operation of individual molecular machines to a larger dimension, for example, to 10-100 nm, which features many practical applications, is highly important but remains challenging. Here, we demonstrate a light-driven plasmonic nanosystem that can amplify the molecular motion of azobenzene through the host nanostructure and consequently translate it into reversible chiroptical function with large amplitude modulation. Light is exploited as both energy source and information probe. Our plasmonic nanosystem bears unique features of optical addressability, reversibility, and modulability, which are crucial for developing all-optical molecular devices with desired functionalities. ? 2021, CC BY.