Back to results
US 12,606,712 B2Granted
MXene compositions featuring five atomic layers
AssigneeDrexel University
InventorsYury Gogotsi, Christopher Eugene Shuck, Babak Anasori, Grayson Brouse Deysher
Life of this patent
Estimating the term…
Abstract
Provided are 5-layered MXene materials having the formulas M5X4Tx; (M′aM″b)X4Tx (where a+b=5); and (M′aM″b)5X4Tx (where a+b=1). Also provided are related methods, compositions, and applications.
Claims18
A composition, comprising:
- (a) at least one layer having first and second surfaces, each layer described by a formula M5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of M5X4, such that each X is positioned within an array of M,
- wherein M is at least one Group IIIB, IVB, VB, or VIB metal or a lanthanide,
- wherein X is C and/or N,
- and
- wherein at least one of the first surface and the second surface comprises surface terminations Tx, the surface terminations independently comprising alkoxide, alkyl, carboxylate, halide, hydroxide, hydride, oxide, sub-oxide, nitride, sub-nitride, sulfonate, thiol, or any combination thereof;
- or
- (b) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=5, and
- wherein at least one of the first surface and the second surface comprises surface terminations Tx, the surface terminations independently comprising alkoxide, alkyl, carboxylate, halide, hydroxide, hydride, oxide, sub-oxide, nitride, sub-nitride, sulfonate, thiol, or any combination thereof, or
- (c) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)5X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=1, and
- wherein at least one of the first surface and the second surface comprises surface terminations Tx, the surface terminations independently comprising alkoxide, alkyl, carboxylate, halide, hydroxide, hydride, oxide, sub-oxide, nitride, sub-nitride, sulfonate, thiol, or any combination thereof.
16 more elements
A composition, comprising:
- (a) at least one layer having first and second surfaces, each layer described by a formula M5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of M5X4, such that each X is positioned within an array of M,
- wherein M is at least one Group IIIB, IVB, VB, or VIB metal or a lanthanide,
- wherein X is C and/or N,
- wherein the composition is characterized as being a solid solution, and
- wherein Tx represents optionally present surface termination groups;
- or
- (b) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=5,
- wherein the composition is characterized as being a solid solution, and
- wherein Tx represents optionally present surface termination groups, or
- (c) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)5X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=1,
- wherein the composition is characterized as being a solid solution, and
- wherein Tx represents optionally present surface termination groups.
18 more elements
A composition, comprising:
- (a) at least one layer having first and second surfaces, each layer described by a formula M5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of M5X4, such that each X is positioned within an array of M,
- wherein M is at least one Group IIIB, IVB, VB, or VIB metal or a lanthanide,
- wherein X is C and/or N,
- wherein the layer is characterized as comprising 5 atomic layers of M, and
- wherein Tx represents optionally present surface termination groups.
3 more elements
A composition, comprising:
- (a) at least one layer having first and second surfaces, each layer described by a formula M5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of M5X4, such that each X is positioned within an array of M,
- wherein M is at least one Group IIIB, IVB, VB, or VIB metal or a lanthanide,
- wherein X is C and/or N,
- wherein the composition is characterized as being in flake form, wherein the flake defines a cross-sectional dimension of greater than 1 micrometer, and
- wherein Tx represents optionally present surface termination groups;
- or
- (b) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=5,
- wherein the composition is characterized as being in flake form, wherein the flake defines a cross-sectional dimension of greater than 1 micrometer, and
- wherein Tx represents optionally present surface termination groups, or
- (c) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)5X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=1,
- wherein the composition is characterized as being in flake form, wherein the flake defines a cross-sectional dimension of greater than 1 micrometer, and
- wherein Tx represents optionally present surface termination groups.
18 more elements
A composition, comprising:
- (a) at least one layer having first and second surfaces, each layer described by a formula M5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of M5X4, such that each X is positioned within an array of M,
- wherein M is at least one Group IIIB, IVB, VB, or VIB metal or a lanthanide,
- wherein X is C and/or N,
- wherein a layer defines a thickness of at least about 1 nm, and
- wherein Tx represents optionally present surface termination groups;
- or
- (b) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=5,
- wherein a layer defines a thickness of at least about 1 nm, and
- wherein Tx represents optionally present surface termination groups, or
- (c) at least one layer having first and second surfaces, each layer described by a formula (M′aM″b)5X4Tx and comprising
- a substantially two-dimensional array of crystal cells, each crystal cell having an empirical formula of (M′aM″b)5X4, such that each X is positioned within an array of M′ and M″,
- wherein M′ and M″ are different Group IIIB, IVB, VB, or VIB metals,
- wherein X is C and/or N,
- wherein a+b=1,
- wherein a layer defines a thickness of at least about 1 nm, and
- wherein Tx represents optionally present surface termination groups.
18 more elements
Dependencies are inferred from the claim text.