Title: PRODUCTION OF GRAPHENE AND N ANOPARTICLE CATALYSTS SUPPORTED ON GRAPHENE USING LASER RADIATION

and TT

Patent

Atlas literature

Patent

US 9,768,355

Title: PRODUCTION OF GRAPHENE AND N ANOPARTICLE CATALYSTS SUPPORTED ON GRAPHENE USING LASER RADIATION

EL-SHALL, M., Samy, ABDELSAYED, Victor, SAVES, Saud, I., ALOTHMAN, Zeid Abdullah, M. et al.

Claims

Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.

26 independent · 18 dependent

1
Independent
1-11. canceled
1. 32
  Dependent← claim 1, claim 2, claim 3, claim 4, claim 5, claim 6metal nanocrystals
  The apparatus of claim 1-6 19 wherein the metal nanocrystals are selected from the group consisting of Au, Ag, Pd. Co, Pd, Co, Au, Ag, Cu, Pt, Ni, Fe, Mn, Cr, V, Ti, Sc, Ce, Pr, Nd, Sm, Gd, Hem Ho Er, Yb, Al, Ga, Sn, Pb, In, Mg, Ca, Sr, Na, K, Rb, and Cs nanocrystals, and combinations thereof.
2
Independent
canceled
3
Independent
canceled
4
Independent
canceled
5
Independent
canceled
6
Independent
canceled
7
Independent
canceled
8
Independent
canceled
9
Independent
canceled
10
Independent
canceled
11
Independent
canceled
12
Independentreduced graphene oxidemetal nanocrystalssemiconductor nanocrystals
A method of producing fresh water by heat-in heating an-aqueous medium sea water via photothermal energy conversion, comprising the step steps of exposing at least one photothermally active material that is in contact with the sea water to a source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) radiant energy under conditions suﬃcient to produce heat from said photothermally active material, thereby causing evaporation of water vapor from the sea water, and condensing the water vapor to produce fresh water, wherein said photothermally active material is reduced graphene oxide comprising metal nanocrystals or semiconductor nanocrystals, and wherein-said at -least one-photothermaly-active-material- is dispersed-in said-aqueous medium.
1. 14
  Dependent← claim 12
  The method of claim 12, wherein said source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy is sunlight.
2. 15
  Dependent← claim 12
  The method of claim 12, wherein said source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy is a laser.
3. 28
  Dependent← claim 12
  The method of claim 12, wherein said source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) radiant energy is natural sunlight and wherein during said step of exposing, said at least one photothermally active material is positioned so that incident natural sunlight impinges on said at least one photothermally active material.
4. 30
  Dependent← claim 12metal nanocrystals
  The method of claim 12, wherein the metal nanocrystals are selected from the group consisting of Au, Ag, Pd. Co, Pd, Co, Au, Ag, Cu, Pt, Ni, Fe, Mn, Cr, V, Ti, Sc, Ce, Pr, Nd, Sm, Gd, Hom Ho. Er, Yb, Al, Ga, Sn, Pb, In, Mg, Ca, Sr, Na, K, Rb, and Cs 02940648us -4- nanocrystals, and combinations thereof.
5. 31
  Dependent← claim 12semiconductor nanocrystals
  The method of claim 12, wherein the semiconductor nanocrystals are selected from the group consisting of Si, Ge, CdSe, CdS, CdTe, ZnO, ZnS, and ZnSe nanocrystals.
6. 35
  Dependent← claim 12
  The method of claim 12, wherein the method further comprises, after the step of exposing, a step of cooling the seawater, and wherein the steps of exposing and cooling are performed repeatedly.
7. 37
  Dependent← claim 12
  The method of claim 12, wherein the at least one photothermally active material is i) dispersed in the sea water or ii) coated onto a support or substrate submerged in the sea water.
13
Independent
(Cancel) canceled
16
Independent
16-18. (Cancel) canceled
1. 18
  Dependent← claim 16reduced graphene oxidemetal nanocrystalssemiconductor nanocrystalsseawater desalination apparatus
  02940648us -3- 19. -The An apparatus of claim 16 conﬁgured for desalinating sea water, comprising a container for containing at least one photothermally active material, said container permitting exposure of said at least one photothermally active material to a source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy, wherein said photothermally active material is reduced graphene oxide which comprises nanocrystals of a metal or nanocrystals of a semiconductor; a container for containing sea water; a condenser for condensing water vapor; and a receptacle for receiving condensed water vapor. currently amended
2. 29
  Dependent← claim 16
  The apparatus of claim 16 19, wherein said source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) radiant energy is natural sunlight and said container is conﬁgured so that incident natural sunlight impinges on said at least one photothermally active material.
17
Independent
canceled
20
Dependent← claim 19
The apparatus of claim 19, wherein said container for containing at least one photothermally active material and said container for containing sea water are the same container.
21
Independent
21-27. canceled
22
Independent
canceled
23
Independent
canceled
24
Independent
canceled
25
Independent
canceled
26
Independent
canceled
27
Independent
canceled
33
Independentsemiconductor nanocrystals
The apparatus of claim -1-6 19 wherein the semiconductor nanocrystals are selected from the group consisting of Si, Ge, CdSe, CdS, CdTe, ZnO, ZnS, and ZnSe nanocrystals.
34
Independent
(Cancel) canceled
38
Independentreduced graphene oxidemetal nanocrystalssemiconductor nanocrystals
A method of heating water, comprising the steps of producing heat by exposing at least one photothermally active material to a source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) radiant energy, wherein the at least 02940648us -5- one photothermally active material is reduced graphene oxide comprising metal nanocrystals or semiconductor nanocrystals, and utilizing the heat to heat the water.
1. 39
  Dependent← claim 38
  The method of claim 38, wherein the water that is heated is for domestic use.
2. 40
  Dependent← claim 38
  The method of claim 38, wherein the source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy is sunlight.
3. 41
  Dependent← claim 38
  The method of claim 38, wherein the source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy is a laser.
4. 42
  Dependent← claim 38metal nanocrystals
  The method of claim 38, wherein the metal nanocrystals are selected from the group consisting of Au, Ag, Pd. Co, Pd, C o, Au, Ag, Cu, Pt, Ni, Fe, Mn, Cr, V, Ti, Sc, Ce, Pr, Nd, Sm, Gd, Ho, Er, Yb, Al, Ga, Sn, Pb, In, Mg, Ca, Sr, Na, K, Rb, and Cs nanocrystals, and combinations thereof.
5. 43
  Dependent← claim 38semiconductor nanocrystals
  The method of claim 38, wherein the semiconductor nanocrystals are selected from the group consisting of Si, Ge, CdSe, CdS, CdTe, ZnO, ZnS, and ZnSe nanocrystals.
44
Independentreduced graphene oxidemetal nanocrystalssemiconductor nanocrystalswater heating apparatus
An apparatus for heating water, comprising a container for containing the water, and at least one photothermally active material positioned on or incorporated into the container so as to permit exposure of said at least one photothermally active material to a source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy, wherein said photothermally active material is reduced graphene oxide which comprises nanocrystals of a metal or nanocrystals of a semiconductor; and wherein the container is conﬁgured so that heat, generated when the at least one photothermally active material is exposed to the source of one or more of ultraviolet (UV), visible (VIS), or infrared (IR) light energy, heats the water contained in the container. 02940648us -6-
1. 45
  Dependent← claim 44
  The apparatus of claim 44, wherein the at least one photothermally active material is attached to, painted on or coated on the container.

Device structures

Layer stacks claimed or described, ordered top of device to substrate.

seawater desalination apparatus

No layer stack recorded.

water heating apparatus

No layer stack recorded.

Materials

Materials described outside the worked examples.

reduced graphene oxide

Photothermally Active Material

metal nanocrystals

Nanocrystals On Reduced Graphene Oxide

Why these are connected

Related documents with shared materials, methods, properties, or citations.

Title: PRODUCTION OF GRAPHENE AND N ANOPARTICLE CATALYSTS SUPPORTED ON GRAPHENE USING LASER RADIATION | Matter42 Literature