# US 10,501,327 B2 · Nanostructures with functionally different surfaces > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,501,327 B2 - Document ID: US10501327B2 - Status: Granted - Kind: B2 - Application number: 13/905,066 - Filed: 2013-05-29 - Published: 2013-12-05 - Granted: 2019-12-10 - Earliest claimed: 2012-06-01 - Assignees: Pavlo Rudenko - Applicants: Pavlo Rudenko - Inventors: Pavlo Rudenko - Web page: https://patentgrep.com/patent/US10501327B2 ## CPC - C01B 33/26: Aluminium-containing silicates {, i.e. silico-aluminates} - B29B 9/00: Making granules (in general B01J; chemical aspects C08J3/12) - B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites - C01B 33/22: Magnesium silicates - C01B 33/38: Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type {(activation of naturally occurring clays B01J20/12; pillared layered base-exchange silicates B01J29/049)} - B29L 2031/7562: {Nanoarticles} - Y10T 428/2982: Particulate matter [e.g., sphere, flake, etc.] - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} - B29B: PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract Disclosed is a substantially flat nanosheet with a first side and a second side, the first side having substantially different properties than the second side. The nanosheet may have self-assembly properties under certain anisotropic conditions such as phase separation boundaries, sheer stresses, friction, temperature gradients, viscosity, density, and/or combinations therein. ## Claims ### Claim 1 A composition of matter consisting of a three dimensional object in a form of a layered nanosheet with one dimension less than 100 nanometers, and second and third dimensions greater than 100 nanometers, wherein the layered nanosheet is unbounded to surrounding objects, and wherein the layered nanosheet consists of a first layer having a first property; wherein the first layer comprises a first composition of matter including magnesium oxide, and wherein the first property comprises a first surface termination; a second layer having a second property, wherein the first property being different than the second property, the second layer comprises a second composition of matter different than the first composition of matter the second composition of matter includes tetrahedral silica, and the second property comprises a second surface termination different than the first surface termination. ### Claim 2 (depends on 1) The nanostructure of claim 1, wherein the layered nanosheet is responsive to an anisotropic condition. ### Claim 3 (depends on 2) The nanostructure of claim 2, wherein the layered nanosheet exhibits self-assembly. ### Claim 4 (depends on 2) The nanostructure of claim 2, wherein the anisotropic condition to which the layered nanosheet is responsive comprises at least one of: a phase boundary; a shear stress; friction; a difference in surface tension; or a gradient in temperature. ### Claim 5 (depends on 1) The composition of matter of claim 1, wherein the first layer comprises a first chemical structure and the second layer comprises a second chemical structure different than the first chemical structure. ### Claim 6 (depends on 1) The composition of matter of claim 1, wherein the first layer comprises a chemical structure having a first orientation, and the second layer comprises the chemical structure having a second orientation different than the first orientation. ### Claim 7 (depends on 1) The composition of matter of claim 1, wherein the first layer comprises a first crystal structure and the second layer comprises a second crystal structure different than the first crystal structure. ### Claim 8 (depends on 1) The composition of matter of claim 1, wherein the first layer comprises a first defects or dopants and the second layer comprises a second defects or dopants different than the first defects or dopants. ### Claim 9 (depends on 1) The composition of matter of claim 1, wherein the first property comprises a first surface energy and the second property comprises a second surface energy different than the first surface energy. ### Claim 10 (depends on 1) The composition of matter of claim 1, wherein the first property further comprises a first hydrophilicity and the second property further comprises a second hydrophilicity different than the first hydrophilicity. ### Claim 11 (depends on 1) The composition of matter of claim 1, wherein the first property comprises a first thermal conductivity and the second property further comprises a second thermal conductivity different than the first thermal conductivity. ### Claim 12 (depends on 1) The composition of matter of claim 1, wherein the first property comprises a first coefficient of thermal expansion and the second property comprises a second coefficient of thermal expansion different than the first coefficient of thermal expansion. ### Claim 13 (depends on 1) The composition of matter of claim 1, wherein the first property comprises a first reactivity and the second property comprises a second reactivity different than the first reactivity. ### Claim 14 (depends on 1) The composition of matter of claim 1, wherein the first property comprises a first conductivity and the second property comprises a second conductivity different than the first conductivity.