Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 277, Issue -, Pages 182-186Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2019.05.052
Keywords
Photochromic; Molecular-scale movement; Azobenzene-Gd(III) MOF; Photomechanical motion
Funding
- National Science Foundations of China [21871047, 21661001]
- Natural Science Foundation of Jiangxi Province of China [20181ACB20003]
- planning project of Hunan Province in 2017 [XJK17BGD013]
- research learning and innovative experiment project for university students of Hunan Province in 2018 [201811528003]
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Photo-response molecular-scale movement has been well developed in azobenzene photochromic molecules. However, material capable of converting this molecular-scale movement to macroscopic work remains a formidable challenge. Here, we describe an exquisite photomechanical effect observed in an azobenzene-Gd(III) MOF. The single crystal of this material displays complex motion including walking, rolling, self-rotating, swing, and finally popping, dependent on the exposed time under UV and the size of the crystals. Consequently, this functional material gives the direct and impressive evidence to support the potential of MOF material in photomechanical motion.
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