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Mitigating leaks in membranes

United States Patent

February 27, 2018
View the Complete Patent at the US Patent & Trademark Office
Two-dimensional material based filters, their method of manufacture, and their use are disclosed. In one embodiment, a membrane may include an active layer including a plurality of defects and a deposited material associated with the plurality of defects may reduce flow therethrough. Additionally, a majority of the active layer may be free from the material. In another embodiment, a membrane may include a porous substrate and an atomic layer deposited material disposed on a surface of the porous substrate. The atomic layer deposited material may be less hydrophilic than the porous substrate and an atomically thin active layer may be disposed on the atomic layer deposited material.
Karnik; Rohit N. (Cambridge, MA), Bose; Suman (Cambridge, MA), Boutilier; Michael S. H. (Cambridge, MA), Hadjiconstantinou; Nicolas G. (Lexington, MA), Jain; Tarun Kumar (New York, NY), O'Hern; Sean C. (Cambridge, MA), Laoui; Tahar (Dhahran, SA), Atieh; Muataz A. (Dhahran, SA), Jang; Doojoon (Cambridge, MA)
Massachusetts Institute of Technology (Cambridge, MA), King Fahd University of Petroleum & Minerals (Dhahran, SA)
14/ 530,292
October 31, 2014
GOVERNMENT LICENSE RIGHTS This invention was made with government support under Grant No. DE-SC0008059 awarded by the Department of Energy. The government has certain rights in the invention.