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US 11,492,546 B2Granted
2D electrochromic metal-organic-frameworks
AssigneeTrustees of Boston University
InventorsXi Ling, Ran Li, Lu Ping
Life of this patent
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Abstract
Herein are described two-dimensional metal organic frameworks (2D MOFs). The 2D MOFs includes a plurality of multivalent metals or metal ions and a plurality of multidentate ligands arranged to form a crystalline structure having a lateral size of at least about 2.5 μm and a thickness of less than about 5 nm. Herein are also described methods for preparing the 2D MOFs. The 2D MOFs can be used, for example, in electrochromic devices such as smart windows and flexible displays.
Claims29
A two-dimensional metal organic framework (2D MOF) comprising:
- a plurality of multivalent metals or metal ions and a plurality of multidentate ligands arranged to form a crystalline structure having a lateral size of at least about 30 μm and a thickness of about 4.5 nm or lower, and
- wherein the crystalline structure is a single crystal.
A method for preparing a metal oxide nanosheet, the method comprising:
- mixing a metal containing precursor with a surfactant at a high temperature for a period of time, wherein the produced metal oxide nanosheet has a crystalline structure having a lateral size of at least about 30 μm and a thickness of about 4.5 nm or lower, and wherein the crystalline structure is a single crystal.
Dependencies are inferred from the claim text.