Achieving Superior Tensile Performance in Individual Metal−Organic Framework Crystals
|Corresponding Author||Cheng，Junye; Boles，Steven; Zheng，Guangping|
Rapid advances in the engineering application prospects of metal−organic framework (MOF) materials necessitate an urgent in-depth understanding of their mechanical properties. This work demonstrates unprecedented recoverable elastic deformation of Ni-tetraphenylporphyrins (Ni-TCPP) MOF nanobelts with a tensile strain as high as 14%, and a projected yield strength-to-Young's modulus ratio exceeding the theoretical limit (≈10%) for crystalline materials. Based on first-principles simulations, the observed behavior of MOF crystal can be attributed to the mechanical deformation induced conformation transition and the formation of helical configuration of dislocations under high stresses, arising from their organic ligand building blocks in the crystal structures. The investigations of the mechanical properties along with electromechanical properties demonstrate that MOF materials have exciting application potential for biomechanics integrated systems, flexible electronics, and nanoelectromechanical devices.
NI Journal Papers
National Natural Science Foundation of China;Hong Kong Polytechnic University[847 W];
|WOS Research Area|
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
|WOS Accession No|
|ESI Research Field|
Cited Times [WOS]:0
|Document Type||Journal Article|
|Department||Department of Materials Science and Engineering|
1.Department of Materials Science,Shenzhen MSU-BIT University,Shenzhen,Guangdong Province,517182,China
2.Department of Electrical Engineering,The Hong Kong Polytechnic University,Kowloon,999077,Hong Kong
3.Department of Mechanical Engineering,Hong Kong Polytechnic University,Kowloon,999077,Hong Kong
4.Department of Materials Science and Engineering,and Shenzhen Key Laboratory for Additive Manufacturing of High-performance Materials,Southern University of Science and Technology,Shenzhen,518055,China
5.Cryo-EM Center,Southern University of Science and Technology,Shenzhen,518055,China
6.Department of Materials Science and Engineering,City University of Hong Kong,999077,Hong Kong
Cheng，Junye,Ran，Sijia,Li，Tian,et al. Achieving Superior Tensile Performance in Individual Metal−Organic Framework Crystals[J]. Advanced Materials,2023,35(36).
Cheng，Junye.,Ran，Sijia.,Li，Tian.,Yan，Ming.,Wu，Jing.,...&Zheng，Guangping.(2023).Achieving Superior Tensile Performance in Individual Metal−Organic Framework Crystals.Advanced Materials,35(36).
Cheng，Junye,et al."Achieving Superior Tensile Performance in Individual Metal−Organic Framework Crystals".Advanced Materials 35.36(2023).
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